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#1: Re: Fuel pump on 85 GW

Posted on 2006-07-15 21:02:52 by fredvp

Hi Group

Well I finally got the new fuel pump in. I didn't
want to go in untill I got it at low cam.
That's the good news.
The bad news it has not fixed the cold start problem.
For all of the 10 years I have had this truck you have to crank it a few
times when cold to get gas to it. Comments
here were to change the filter and fuel pump.
Well that's done but the problem persists. Possibly the
float bowl in the carb drains away when sitting a while?
Any comments on that possibility or others? I wonder if that is a major job.

Thanks
Fred
85 GW 5.9
&quot;Fred V.&quot; &lt;<a href="mailto:fredvp&#64;sbcglobal.net" target="_blank">fredvp&#64;sbcglobal.net</a>&gt; wrote in message
news:lRhqg.59837$<a href="mailto:Lm5.34881&#64;newssvr12.news.prodigy.com..." target="_blank">Lm5.34881&#64;newssvr12.news.prodigy.com...</a>
&gt; Thanks Bill, Chris.
&gt;
&gt; Fred
&gt;
&gt; &quot;L.W.(Bill) Hughes III&quot; &lt;<a href="mailto:billhughes&#64;cox.net" target="_blank">billhughes&#64;cox.net</a>&gt; wrote in message
&gt; news:<a href="mailto:44A8546B.AE120731&#64;cox.net..." target="_blank">44A8546B.AE120731&#64;cox.net...</a>
&gt;&gt; Hi Fred,
&gt;&gt; Color coded blue for us:
&gt;&gt; <a href="http://www.billhughes.com/temp/mopar59AMC360.jpg" target="_blank">http://www.billhughes.com/temp/mopar59AMC360.jpg</a> Still carburated for
&gt;&gt; '88: <a href="http://www.billhughes.com/temp/88Jeep360fuelPump.pdf" target="_blank">http://www.billhughes.com/temp/88Jeep360fuelPump.pdf</a>
&gt;&gt; God Bless America, Bill O|||||||O
&gt;&gt; mailto:<a href="mailto:LWHughes3rd&#64;aol.com" target="_blank">LWHughes3rd&#64;aol.com</a> <a href="http://www.billhughes.com/" target="_blank">http://www.billhughes.com/</a>
&gt;&gt;
&gt;&gt; &quot;Fred V.&quot; wrote:
&gt;&gt;&gt;
&gt;&gt;&gt; Hi
&gt;&gt;&gt;
&gt;&gt;&gt; This may be a stupid question. I am getting around to doing a little
&gt;&gt;&gt; work on
&gt;&gt;&gt; the truck (85 Grand Wagoneer).
&gt;&gt;&gt; I replaced the starter. Not a big deal. Easy to get to but a &quot;dirty
&gt;&gt;&gt; job&quot;.
&gt;&gt;&gt; Fixed the tailgate window motor. Then recharged the air conditioner. Gas
&gt;&gt;&gt; was
&gt;&gt;&gt; leaking out the fitting for the shutoff switch on the fender. Tightened
&gt;&gt;&gt; it
&gt;&gt;&gt; up.
&gt;&gt;&gt; Greased all the fittings.
&gt;&gt;&gt; Now a want to change the fuel pump. Would you believe its as if the
&gt;&gt;&gt; truck
&gt;&gt;&gt; has none? There is no mention of it in my manual, M.R. 253. Even the
&gt;&gt;&gt; Autozone web site says there is none. Of course there is one I can see
&gt;&gt;&gt; it.
&gt;&gt;&gt; Machanical type. Its just a pain to get to. Another &quot;dirty job&quot;. Has
&gt;&gt;&gt; anyone
&gt;&gt;&gt; ever replaced one of these? Its the 360 V-8.
&gt;&gt;&gt;
&gt;&gt;&gt; Fred
&gt;
&gt;

Report this message

#2: Re: Fuel pump on 85 GW

Posted on 2006-07-15 21:25:15 by Mike Romain

That is usually caused by one of two things on Jeeps.

First is the gas filter could be in upside down. It has 2 outlets, The
center one goes to the carb and the top one goes to the return line. If
the return line nipple isn't at the top, gas will syphon back to the gas
tank when it sits.

The second reason is a pinhole leak in the line on the suction side of
the gas pump. Usually the leak will be either at a clip where the gas
line is clipped to the frame or in the rubber hose. Because it is a
suction line, it can leak and not drip on the ground until it gets
really bad. If you look close you can see a stain mark where the leak
is. This will let air in causing hard cold starts.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
(More Off Road album links at bottom of the view page)

&quot;Fred V.&quot; wrote:
&gt;
&gt; Hi Group
&gt;
&gt; Well I finally got the new fuel pump in. I didn't
&gt; want to go in untill I got it at low cam.
&gt; That's the good news.
&gt; The bad news it has not fixed the cold start problem.
&gt; For all of the 10 years I have had this truck you have to crank it a few
&gt; times when cold to get gas to it. Comments
&gt; here were to change the filter and fuel pump.
&gt; Well that's done but the problem persists. Possibly the
&gt; float bowl in the carb drains away when sitting a while?
&gt; Any comments on that possibility or others? I wonder if that is a major job.
&gt;
&gt; Thanks
&gt; Fred
&gt; 85 GW 5.9
&gt; &quot;Fred V.&quot; &lt;<a href="mailto:fredvp&#64;sbcglobal.net" target="_blank">fredvp&#64;sbcglobal.net</a>&gt; wrote in message
&gt; news:lRhqg.59837$<a href="mailto:Lm5.34881&#64;newssvr12.news.prodigy.com..." target="_blank">Lm5.34881&#64;newssvr12.news.prodigy.com...</a>
&gt; &gt; Thanks Bill, Chris.
&gt; &gt;
&gt; &gt; Fred
&gt; &gt;
&gt; &gt; &quot;L.W.(Bill) Hughes III&quot; &lt;<a href="mailto:billhughes&#64;cox.net" target="_blank">billhughes&#64;cox.net</a>&gt; wrote in message
&gt; &gt; news:<a href="mailto:44A8546B.AE120731&#64;cox.net..." target="_blank">44A8546B.AE120731&#64;cox.net...</a>
&gt; &gt;&gt; Hi Fred,
&gt; &gt;&gt; Color coded blue for us:
&gt; &gt;&gt; <a href="http://www.billhughes.com/temp/mopar59AMC360.jpg" target="_blank">http://www.billhughes.com/temp/mopar59AMC360.jpg</a> Still carburated for
&gt; &gt;&gt; '88: <a href="http://www.billhughes.com/temp/88Jeep360fuelPump.pdf" target="_blank">http://www.billhughes.com/temp/88Jeep360fuelPump.pdf</a>
&gt; &gt;&gt; God Bless America, Bill O|||||||O
&gt; &gt;&gt; mailto:<a href="mailto:LWHughes3rd&#64;aol.com" target="_blank">LWHughes3rd&#64;aol.com</a> <a href="http://www.billhughes.com/" target="_blank">http://www.billhughes.com/</a>
&gt; &gt;&gt;
&gt; &gt;&gt; &quot;Fred V.&quot; wrote:
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; Hi
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; This may be a stupid question. I am getting around to doing a little
&gt; &gt;&gt;&gt; work on
&gt; &gt;&gt;&gt; the truck (85 Grand Wagoneer).
&gt; &gt;&gt;&gt; I replaced the starter. Not a big deal. Easy to get to but a &quot;dirty
&gt; &gt;&gt;&gt; job&quot;.
&gt; &gt;&gt;&gt; Fixed the tailgate window motor. Then recharged the air conditioner. Gas
&gt; &gt;&gt;&gt; was
&gt; &gt;&gt;&gt; leaking out the fitting for the shutoff switch on the fender. Tightened
&gt; &gt;&gt;&gt; it
&gt; &gt;&gt;&gt; up.
&gt; &gt;&gt;&gt; Greased all the fittings.
&gt; &gt;&gt;&gt; Now a want to change the fuel pump. Would you believe its as if the
&gt; &gt;&gt;&gt; truck
&gt; &gt;&gt;&gt; has none? There is no mention of it in my manual, M.R. 253. Even the
&gt; &gt;&gt;&gt; Autozone web site says there is none. Of course there is one I can see
&gt; &gt;&gt;&gt; it.
&gt; &gt;&gt;&gt; Machanical type. Its just a pain to get to. Another &quot;dirty job&quot;. Has
&gt; &gt;&gt;&gt; anyone
&gt; &gt;&gt;&gt; ever replaced one of these? Its the 360 V-8.
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; Fred
&gt; &gt;
&gt; &gt;

Report this message

#3: Re: Fuel pump on 85 GW

Posted on 2006-07-15 21:34:10 by DougW

Fred V. wrote:
&gt; Hi Group
&gt;
&gt; Well I finally got the new fuel pump in. I didn't
&gt; want to go in untill I got it at low cam.
&gt; That's the good news.
&gt; The bad news it has not fixed the cold start problem.
&gt; For all of the 10 years I have had this truck you have to crank it a
&gt; few times when cold to get gas to it. Comments
&gt; here were to change the filter and fuel pump.
&gt; Well that's done but the problem persists. Possibly the
&gt; float bowl in the carb drains away when sitting a while?
&gt; Any comments on that possibility or others? I wonder if that is a
&gt; major job.

Just thinking out loud.. :)

not familiar with your carb but on some fuel pressure pumps there is
a return line and a carb supply line. If you get these two reversed
then the carb will drain. Pressure regulators have check valves also.
And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
that's not your carb.

--
DougW

Report this message

#4: Re: Fuel pump on 85 GW

Posted on 2006-07-16 02:21:28 by fredvp

Hi Group

Well, I checked the new filter and I put it in ok. I
haven't seen any leaks in the gas lines.
One note: There was lots of gas in the old filter and
fuel pump when I took them out after the truck sat a
week, so it looks like gas is possibly getting to the carb ok?
I wonder if there is some other hose that is draining the carb of gas when
it sits
a day or longer? I don't see any leaks around the carburetor.

Fred
85 GW 5.9


&quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt; Fred V. wrote:
&gt;&gt; Hi Group
&gt;&gt;
&gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt;&gt; want to go in untill I got it at low cam.
&gt;&gt; That's the good news.
&gt;&gt; The bad news it has not fixed the cold start problem.
&gt;&gt; For all of the 10 years I have had this truck you have to crank it a
&gt;&gt; few times when cold to get gas to it. Comments
&gt;&gt; here were to change the filter and fuel pump.
&gt;&gt; Well that's done but the problem persists. Possibly the
&gt;&gt; float bowl in the carb drains away when sitting a while?
&gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt;&gt; major job.
&gt;
&gt; Just thinking out loud.. :)
&gt;
&gt; not familiar with your carb but on some fuel pressure pumps there is
&gt; a return line and a carb supply line. If you get these two reversed
&gt; then the carb will drain. Pressure regulators have check valves also.
&gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt; that's not your carb.
&gt;
&gt; --
&gt; DougW
&gt;

Report this message

#5: Re: Fuel pump on 85 GW

Posted on 2006-07-16 17:16:22 by Mike Romain

How is the choke?

On those, you are supposed to pump the gas pedal 2 or 3 times to prime
it and to set the choke.

If you open the air filter and pump the gas with the engine off, does
the choke close tight? If you look inside and pump the gas, do you see
a squirt of fuel?

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
(More Off Road album links at bottom of the view page)

&quot;Fred V.&quot; wrote:
&gt;
&gt; Hi Group
&gt;
&gt; Well, I checked the new filter and I put it in ok. I
&gt; haven't seen any leaks in the gas lines.
&gt; One note: There was lots of gas in the old filter and
&gt; fuel pump when I took them out after the truck sat a
&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt; I wonder if there is some other hose that is draining the carb of gas when
&gt; it sits
&gt; a day or longer? I don't see any leaks around the carburetor.
&gt;
&gt; Fred
&gt; 85 GW 5.9
&gt;
&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt; &gt; Fred V. wrote:
&gt; &gt;&gt; Hi Group
&gt; &gt;&gt;
&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt; &gt;&gt; That's the good news.
&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank it a
&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt; &gt;&gt; major job.
&gt; &gt;
&gt; &gt; Just thinking out loud.. :)
&gt; &gt;
&gt; &gt; not familiar with your carb but on some fuel pressure pumps there is
&gt; &gt; a return line and a carb supply line. If you get these two reversed
&gt; &gt; then the carb will drain. Pressure regulators have check valves also.
&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt; &gt; that's not your carb.
&gt; &gt;
&gt; &gt; --
&gt; &gt; DougW
&gt; &gt;

Report this message

#6: Re: Fuel pump on 85 GW

Posted on 2006-07-16 19:59:23 by fredvp

Hi Mike

Choke is fine. No squirt of fuel though.

Fred

&quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
news:<a href="mailto:44BA5846.C337E9F1&#64;sympatico.ca..." target="_blank">44BA5846.C337E9F1&#64;sympatico.ca...</a>
&gt; How is the choke?
&gt;
&gt; On those, you are supposed to pump the gas pedal 2 or 3 times to prime
&gt; it and to set the choke.
&gt;
&gt; If you open the air filter and pump the gas with the engine off, does
&gt; the choke close tight? If you look inside and pump the gas, do you see
&gt; a squirt of fuel?
&gt;
&gt; Mike
&gt; 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
&gt; 88 Cherokee 235 BFG AT's
&gt; Canadian Off Road Trips Photos: Non members can still view!
&gt; Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
&gt; (More Off Road album links at bottom of the view page)
&gt;
&gt; &quot;Fred V.&quot; wrote:
&gt;&gt;
&gt;&gt; Hi Group
&gt;&gt;
&gt;&gt; Well, I checked the new filter and I put it in ok. I
&gt;&gt; haven't seen any leaks in the gas lines.
&gt;&gt; One note: There was lots of gas in the old filter and
&gt;&gt; fuel pump when I took them out after the truck sat a
&gt;&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt;&gt; I wonder if there is some other hose that is draining the carb of gas
&gt;&gt; when
&gt;&gt; it sits
&gt;&gt; a day or longer? I don't see any leaks around the carburetor.
&gt;&gt;
&gt;&gt; Fred
&gt;&gt; 85 GW 5.9
&gt;&gt;
&gt;&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt;&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt;&gt; &gt; Fred V. wrote:
&gt;&gt; &gt;&gt; Hi Group
&gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt;&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt;&gt; &gt;&gt; That's the good news.
&gt;&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt;&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank it a
&gt;&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt;&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt;&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt;&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt;&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt;&gt; &gt;&gt; major job.
&gt;&gt; &gt;
&gt;&gt; &gt; Just thinking out loud.. :)
&gt;&gt; &gt;
&gt;&gt; &gt; not familiar with your carb but on some fuel pressure pumps there is
&gt;&gt; &gt; a return line and a carb supply line. If you get these two reversed
&gt;&gt; &gt; then the carb will drain. Pressure regulators have check valves also.
&gt;&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt;&gt; &gt; that's not your carb.
&gt;&gt; &gt;
&gt;&gt; &gt; --
&gt;&gt; &gt; DougW
&gt;&gt; &gt;

Report this message

#7: Re: Fuel pump on 85 GW

Posted on 2006-07-16 21:40:57 by Mike Romain

There ya go, you have a worn out accelerator pump then likely. New ones
come with carb kits.

I would also check that for a squirt when the engine recently shut
down. There is the odd chance the carb has a crack allowing the
accelerator pump sump to go dry, but it would be unusual.

Mike

&quot;Fred V.&quot; wrote:
&gt;
&gt; Hi Mike
&gt;
&gt; Choke is fine. No squirt of fuel though.
&gt;
&gt; Fred
&gt;
&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt; news:<a href="mailto:44BA5846.C337E9F1&#64;sympatico.ca..." target="_blank">44BA5846.C337E9F1&#64;sympatico.ca...</a>
&gt; &gt; How is the choke?
&gt; &gt;
&gt; &gt; On those, you are supposed to pump the gas pedal 2 or 3 times to prime
&gt; &gt; it and to set the choke.
&gt; &gt;
&gt; &gt; If you open the air filter and pump the gas with the engine off, does
&gt; &gt; the choke close tight? If you look inside and pump the gas, do you see
&gt; &gt; a squirt of fuel?
&gt; &gt;
&gt; &gt; Mike
&gt; &gt; 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
&gt; &gt; 88 Cherokee 235 BFG AT's
&gt; &gt; Canadian Off Road Trips Photos: Non members can still view!
&gt; &gt; Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
&gt; &gt; (More Off Road album links at bottom of the view page)
&gt; &gt;
&gt; &gt; &quot;Fred V.&quot; wrote:
&gt; &gt;&gt;
&gt; &gt;&gt; Hi Group
&gt; &gt;&gt;
&gt; &gt;&gt; Well, I checked the new filter and I put it in ok. I
&gt; &gt;&gt; haven't seen any leaks in the gas lines.
&gt; &gt;&gt; One note: There was lots of gas in the old filter and
&gt; &gt;&gt; fuel pump when I took them out after the truck sat a
&gt; &gt;&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt; &gt;&gt; I wonder if there is some other hose that is draining the carb of gas
&gt; &gt;&gt; when
&gt; &gt;&gt; it sits
&gt; &gt;&gt; a day or longer? I don't see any leaks around the carburetor.
&gt; &gt;&gt;
&gt; &gt;&gt; Fred
&gt; &gt;&gt; 85 GW 5.9
&gt; &gt;&gt;
&gt; &gt;&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt; &gt;&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt; &gt;&gt; &gt; Fred V. wrote:
&gt; &gt;&gt; &gt;&gt; Hi Group
&gt; &gt;&gt; &gt;&gt;
&gt; &gt;&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt; &gt;&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt; &gt;&gt; &gt;&gt; That's the good news.
&gt; &gt;&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt; &gt;&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank it a
&gt; &gt;&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt; &gt;&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt; &gt;&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt; &gt;&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt; &gt;&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt; &gt;&gt; &gt;&gt; major job.
&gt; &gt;&gt; &gt;
&gt; &gt;&gt; &gt; Just thinking out loud.. :)
&gt; &gt;&gt; &gt;
&gt; &gt;&gt; &gt; not familiar with your carb but on some fuel pressure pumps there is
&gt; &gt;&gt; &gt; a return line and a carb supply line. If you get these two reversed
&gt; &gt;&gt; &gt; then the carb will drain. Pressure regulators have check valves also.
&gt; &gt;&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt; &gt;&gt; &gt; that's not your carb.
&gt; &gt;&gt; &gt;
&gt; &gt;&gt; &gt; --
&gt; &gt;&gt; &gt; DougW
&gt; &gt;&gt; &gt;

Report this message

#8: Re: Fuel pump on 85 GW

Posted on 2006-07-16 23:48:20 by fredvp

Thanks Mike

One carb kit to get! I had a hunch all along
it was a carburetor problem.

Fred

&quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
news:<a href="mailto:44BA9649.4A1541C3&#64;sympatico.ca..." target="_blank">44BA9649.4A1541C3&#64;sympatico.ca...</a>
&gt; There ya go, you have a worn out accelerator pump then likely. New ones
&gt; come with carb kits.
&gt;
&gt; I would also check that for a squirt when the engine recently shut
&gt; down. There is the odd chance the carb has a crack allowing the
&gt; accelerator pump sump to go dry, but it would be unusual.
&gt;
&gt; Mike
&gt;
&gt; &quot;Fred V.&quot; wrote:
&gt;&gt;
&gt;&gt; Hi Mike
&gt;&gt;
&gt;&gt; Choke is fine. No squirt of fuel though.
&gt;&gt;
&gt;&gt; Fred
&gt;&gt;
&gt;&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt;&gt; news:<a href="mailto:44BA5846.C337E9F1&#64;sympatico.ca..." target="_blank">44BA5846.C337E9F1&#64;sympatico.ca...</a>
&gt;&gt; &gt; How is the choke?
&gt;&gt; &gt;
&gt;&gt; &gt; On those, you are supposed to pump the gas pedal 2 or 3 times to prime
&gt;&gt; &gt; it and to set the choke.
&gt;&gt; &gt;
&gt;&gt; &gt; If you open the air filter and pump the gas with the engine off, does
&gt;&gt; &gt; the choke close tight? If you look inside and pump the gas, do you see
&gt;&gt; &gt; a squirt of fuel?
&gt;&gt; &gt;
&gt;&gt; &gt; Mike
&gt;&gt; &gt; 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
&gt;&gt; &gt; 88 Cherokee 235 BFG AT's
&gt;&gt; &gt; Canadian Off Road Trips Photos: Non members can still view!
&gt;&gt; &gt; Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
&gt;&gt; &gt; (More Off Road album links at bottom of the view page)
&gt;&gt; &gt;
&gt;&gt; &gt; &quot;Fred V.&quot; wrote:
&gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; Hi Group
&gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; Well, I checked the new filter and I put it in ok. I
&gt;&gt; &gt;&gt; haven't seen any leaks in the gas lines.
&gt;&gt; &gt;&gt; One note: There was lots of gas in the old filter and
&gt;&gt; &gt;&gt; fuel pump when I took them out after the truck sat a
&gt;&gt; &gt;&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt;&gt; &gt;&gt; I wonder if there is some other hose that is draining the carb of gas
&gt;&gt; &gt;&gt; when
&gt;&gt; &gt;&gt; it sits
&gt;&gt; &gt;&gt; a day or longer? I don't see any leaks around the carburetor.
&gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; Fred
&gt;&gt; &gt;&gt; 85 GW 5.9
&gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt;&gt; &gt;&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt;&gt; &gt;&gt; &gt; Fred V. wrote:
&gt;&gt; &gt;&gt; &gt;&gt; Hi Group
&gt;&gt; &gt;&gt; &gt;&gt;
&gt;&gt; &gt;&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt;&gt; &gt;&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt;&gt; &gt;&gt; &gt;&gt; That's the good news.
&gt;&gt; &gt;&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt;&gt; &gt;&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank it
&gt;&gt; &gt;&gt; &gt;&gt; a
&gt;&gt; &gt;&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt;&gt; &gt;&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt;&gt; &gt;&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt;&gt; &gt;&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt;&gt; &gt;&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt;&gt; &gt;&gt; &gt;&gt; major job.
&gt;&gt; &gt;&gt; &gt;
&gt;&gt; &gt;&gt; &gt; Just thinking out loud.. :)
&gt;&gt; &gt;&gt; &gt;
&gt;&gt; &gt;&gt; &gt; not familiar with your carb but on some fuel pressure pumps there is
&gt;&gt; &gt;&gt; &gt; a return line and a carb supply line. If you get these two reversed
&gt;&gt; &gt;&gt; &gt; then the carb will drain. Pressure regulators have check valves
&gt;&gt; &gt;&gt; &gt; also.
&gt;&gt; &gt;&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt;&gt; &gt;&gt; &gt; that's not your carb.
&gt;&gt; &gt;&gt; &gt;
&gt;&gt; &gt;&gt; &gt; --
&gt;&gt; &gt;&gt; &gt; DougW
&gt;&gt; &gt;&gt; &gt;

Report this message

#9: Re: Fuel pump on 85 GW

Posted on 2006-07-21 16:05:26 by fredvp

Hi Group

I see the problem. Fuel is seeping out of the accelerator pump gasket area
which is on the side of the carburetor. This eventually drains the float
bowl which would account
for the starting problem. I got a carb kit so I will tackle
it.

Fred

&quot;Fred V.&quot; &lt;<a href="mailto:fredvp&#64;sbcglobal.net" target="_blank">fredvp&#64;sbcglobal.net</a>&gt; wrote in message
news:wFyug.6195$<a href="mailto:2v.2286&#64;newssvr25.news.prodigy.net..." target="_blank">2v.2286&#64;newssvr25.news.prodigy.net...</a>
&gt; Thanks Mike
&gt;
&gt; One carb kit to get! I had a hunch all along
&gt; it was a carburetor problem.
&gt;
&gt; Fred
&gt;
&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt; news:<a href="mailto:44BA9649.4A1541C3&#64;sympatico.ca..." target="_blank">44BA9649.4A1541C3&#64;sympatico.ca...</a>
&gt;&gt; There ya go, you have a worn out accelerator pump then likely. New ones
&gt;&gt; come with carb kits.
&gt;&gt;
&gt;&gt; I would also check that for a squirt when the engine recently shut
&gt;&gt; down. There is the odd chance the carb has a crack allowing the
&gt;&gt; accelerator pump sump to go dry, but it would be unusual.
&gt;&gt;
&gt;&gt; Mike
&gt;&gt;
&gt;&gt; &quot;Fred V.&quot; wrote:
&gt;&gt;&gt;
&gt;&gt;&gt; Hi Mike
&gt;&gt;&gt;
&gt;&gt;&gt; Choke is fine. No squirt of fuel though.
&gt;&gt;&gt;
&gt;&gt;&gt; Fred
&gt;&gt;&gt;
&gt;&gt;&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt;&gt;&gt; news:<a href="mailto:44BA5846.C337E9F1&#64;sympatico.ca..." target="_blank">44BA5846.C337E9F1&#64;sympatico.ca...</a>
&gt;&gt;&gt; &gt; How is the choke?
&gt;&gt;&gt; &gt;
&gt;&gt;&gt; &gt; On those, you are supposed to pump the gas pedal 2 or 3 times to prime
&gt;&gt;&gt; &gt; it and to set the choke.
&gt;&gt;&gt; &gt;
&gt;&gt;&gt; &gt; If you open the air filter and pump the gas with the engine off, does
&gt;&gt;&gt; &gt; the choke close tight? If you look inside and pump the gas, do you
&gt;&gt;&gt; &gt; see
&gt;&gt;&gt; &gt; a squirt of fuel?
&gt;&gt;&gt; &gt;
&gt;&gt;&gt; &gt; Mike
&gt;&gt;&gt; &gt; 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
&gt;&gt;&gt; &gt; 88 Cherokee 235 BFG AT's
&gt;&gt;&gt; &gt; Canadian Off Road Trips Photos: Non members can still view!
&gt;&gt;&gt; &gt; Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
&gt;&gt;&gt; &gt; (More Off Road album links at bottom of the view page)
&gt;&gt;&gt; &gt;
&gt;&gt;&gt; &gt; &quot;Fred V.&quot; wrote:
&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt; &gt;&gt; Hi Group
&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt; &gt;&gt; Well, I checked the new filter and I put it in ok. I
&gt;&gt;&gt; &gt;&gt; haven't seen any leaks in the gas lines.
&gt;&gt;&gt; &gt;&gt; One note: There was lots of gas in the old filter and
&gt;&gt;&gt; &gt;&gt; fuel pump when I took them out after the truck sat a
&gt;&gt;&gt; &gt;&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt;&gt;&gt; &gt;&gt; I wonder if there is some other hose that is draining the carb of gas
&gt;&gt;&gt; &gt;&gt; when
&gt;&gt;&gt; &gt;&gt; it sits
&gt;&gt;&gt; &gt;&gt; a day or longer? I don't see any leaks around the carburetor.
&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt; &gt;&gt; Fred
&gt;&gt;&gt; &gt;&gt; 85 GW 5.9
&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt; &gt;&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt;&gt;&gt; &gt;&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt;&gt;&gt; &gt;&gt; &gt; Fred V. wrote:
&gt;&gt;&gt; &gt;&gt; &gt;&gt; Hi Group
&gt;&gt;&gt; &gt;&gt; &gt;&gt;
&gt;&gt;&gt; &gt;&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt;&gt;&gt; &gt;&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt;&gt;&gt; &gt;&gt; &gt;&gt; That's the good news.
&gt;&gt;&gt; &gt;&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt;&gt;&gt; &gt;&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank it
&gt;&gt;&gt; &gt;&gt; &gt;&gt; a
&gt;&gt;&gt; &gt;&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt;&gt;&gt; &gt;&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt;&gt;&gt; &gt;&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt;&gt;&gt; &gt;&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt;&gt;&gt; &gt;&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt;&gt;&gt; &gt;&gt; &gt;&gt; major job.
&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt; &gt;&gt; &gt; Just thinking out loud.. :)
&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt; &gt;&gt; &gt; not familiar with your carb but on some fuel pressure pumps there
&gt;&gt;&gt; &gt;&gt; &gt; is
&gt;&gt;&gt; &gt;&gt; &gt; a return line and a carb supply line. If you get these two
&gt;&gt;&gt; &gt;&gt; &gt; reversed
&gt;&gt;&gt; &gt;&gt; &gt; then the carb will drain. Pressure regulators have check valves
&gt;&gt;&gt; &gt;&gt; &gt; also.
&gt;&gt;&gt; &gt;&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter), but
&gt;&gt;&gt; &gt;&gt; &gt; that's not your carb.
&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt; &gt;&gt; &gt; --
&gt;&gt;&gt; &gt;&gt; &gt; DougW
&gt;&gt;&gt; &gt;&gt; &gt;
&gt;
&gt;

Report this message

#10: Re: Fuel pump on 85 GW

Posted on 2006-07-21 22:35:35 by Billy Ray

Be sure to carefully check and set your float level and be careful with the
needle valve.


&quot;Fred V.&quot; &lt;<a href="mailto:fredvp&#64;sbcglobal.net" target="_blank">fredvp&#64;sbcglobal.net</a>&gt; wrote in message
news:Ga5wg.70914$<a href="mailto:fb2.14813&#64;newssvr27.news.prodigy.net..." target="_blank">fb2.14813&#64;newssvr27.news.prodigy.net...</a>
&gt; Hi Group
&gt;
&gt; I see the problem. Fuel is seeping out of the accelerator pump gasket area
&gt; which is on the side of the carburetor. This eventually drains the float
&gt; bowl which would account
&gt; for the starting problem. I got a carb kit so I will tackle
&gt; it.
&gt;
&gt; Fred
&gt;
&gt; &quot;Fred V.&quot; &lt;<a href="mailto:fredvp&#64;sbcglobal.net" target="_blank">fredvp&#64;sbcglobal.net</a>&gt; wrote in message
&gt; news:wFyug.6195$<a href="mailto:2v.2286&#64;newssvr25.news.prodigy.net..." target="_blank">2v.2286&#64;newssvr25.news.prodigy.net...</a>
&gt;&gt; Thanks Mike
&gt;&gt;
&gt;&gt; One carb kit to get! I had a hunch all along
&gt;&gt; it was a carburetor problem.
&gt;&gt;
&gt;&gt; Fred
&gt;&gt;
&gt;&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt;&gt; news:<a href="mailto:44BA9649.4A1541C3&#64;sympatico.ca..." target="_blank">44BA9649.4A1541C3&#64;sympatico.ca...</a>
&gt;&gt;&gt; There ya go, you have a worn out accelerator pump then likely. New ones
&gt;&gt;&gt; come with carb kits.
&gt;&gt;&gt;
&gt;&gt;&gt; I would also check that for a squirt when the engine recently shut
&gt;&gt;&gt; down. There is the odd chance the carb has a crack allowing the
&gt;&gt;&gt; accelerator pump sump to go dry, but it would be unusual.
&gt;&gt;&gt;
&gt;&gt;&gt; Mike
&gt;&gt;&gt;
&gt;&gt;&gt; &quot;Fred V.&quot; wrote:
&gt;&gt;&gt;&gt;
&gt;&gt;&gt;&gt; Hi Mike
&gt;&gt;&gt;&gt;
&gt;&gt;&gt;&gt; Choke is fine. No squirt of fuel though.
&gt;&gt;&gt;&gt;
&gt;&gt;&gt;&gt; Fred
&gt;&gt;&gt;&gt;
&gt;&gt;&gt;&gt; &quot;Mike Romain&quot; &lt;<a href="mailto:romainm&#64;sympatico.ca" target="_blank">romainm&#64;sympatico.ca</a>&gt; wrote in message
&gt;&gt;&gt;&gt; news:<a href="mailto:44BA5846.C337E9F1&#64;sympatico.ca..." target="_blank">44BA5846.C337E9F1&#64;sympatico.ca...</a>
&gt;&gt;&gt;&gt; &gt; How is the choke?
&gt;&gt;&gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt; On those, you are supposed to pump the gas pedal 2 or 3 times to
&gt;&gt;&gt;&gt; &gt; prime
&gt;&gt;&gt;&gt; &gt; it and to set the choke.
&gt;&gt;&gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt; If you open the air filter and pump the gas with the engine off, does
&gt;&gt;&gt;&gt; &gt; the choke close tight? If you look inside and pump the gas, do you
&gt;&gt;&gt;&gt; &gt; see
&gt;&gt;&gt;&gt; &gt; a squirt of fuel?
&gt;&gt;&gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt; Mike
&gt;&gt;&gt;&gt; &gt; 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
&gt;&gt;&gt;&gt; &gt; 88 Cherokee 235 BFG AT's
&gt;&gt;&gt;&gt; &gt; Canadian Off Road Trips Photos: Non members can still view!
&gt;&gt;&gt;&gt; &gt; Jan/06 <a href="http://www.imagestation.com/album/pictures.html?id=2115147590" target="_blank"> http://www.imagestation.com/album/pictures.html?id=211514759 0</a>
&gt;&gt;&gt;&gt; &gt; (More Off Road album links at bottom of the view page)
&gt;&gt;&gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt; &quot;Fred V.&quot; wrote:
&gt;&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt;&gt; &gt;&gt; Hi Group
&gt;&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt;&gt; &gt;&gt; Well, I checked the new filter and I put it in ok. I
&gt;&gt;&gt;&gt; &gt;&gt; haven't seen any leaks in the gas lines.
&gt;&gt;&gt;&gt; &gt;&gt; One note: There was lots of gas in the old filter and
&gt;&gt;&gt;&gt; &gt;&gt; fuel pump when I took them out after the truck sat a
&gt;&gt;&gt;&gt; &gt;&gt; week, so it looks like gas is possibly getting to the carb ok?
&gt;&gt;&gt;&gt; &gt;&gt; I wonder if there is some other hose that is draining the carb of
&gt;&gt;&gt;&gt; &gt;&gt; gas
&gt;&gt;&gt;&gt; &gt;&gt; when
&gt;&gt;&gt;&gt; &gt;&gt; it sits
&gt;&gt;&gt;&gt; &gt;&gt; a day or longer? I don't see any leaks around the carburetor.
&gt;&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt;&gt; &gt;&gt; Fred
&gt;&gt;&gt;&gt; &gt;&gt; 85 GW 5.9
&gt;&gt;&gt;&gt; &gt;&gt;
&gt;&gt;&gt;&gt; &gt;&gt; &quot;DougW&quot; &lt;<a href="mailto:post.replies&#64;invalid.address" target="_blank">post.replies&#64;invalid.address</a>&gt; wrote in message
&gt;&gt;&gt;&gt; &gt;&gt; news:Sqbug.66547$<a href="mailto:9c6.38068&#64;dukeread11..." target="_blank">9c6.38068&#64;dukeread11...</a>
&gt;&gt;&gt;&gt; &gt;&gt; &gt; Fred V. wrote:
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; Hi Group
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt;
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; Well I finally got the new fuel pump in. I didn't
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; want to go in untill I got it at low cam.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; That's the good news.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; The bad news it has not fixed the cold start problem.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; For all of the 10 years I have had this truck you have to crank
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; it a
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; few times when cold to get gas to it. Comments
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; here were to change the filter and fuel pump.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; Well that's done but the problem persists. Possibly the
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; float bowl in the carb drains away when sitting a while?
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; Any comments on that possibility or others? I wonder if that is a
&gt;&gt;&gt;&gt; &gt;&gt; &gt;&gt; major job.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt;&gt; &gt; Just thinking out loud.. :)
&gt;&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt;&gt; &gt; not familiar with your carb but on some fuel pressure pumps there
&gt;&gt;&gt;&gt; &gt;&gt; &gt; is
&gt;&gt;&gt;&gt; &gt;&gt; &gt; a return line and a carb supply line. If you get these two
&gt;&gt;&gt;&gt; &gt;&gt; &gt; reversed
&gt;&gt;&gt;&gt; &gt;&gt; &gt; then the carb will drain. Pressure regulators have check valves
&gt;&gt;&gt;&gt; &gt;&gt; &gt; also.
&gt;&gt;&gt;&gt; &gt;&gt; &gt; And so did my old Rochester 4M4 quadrajet (in the fuel filter),
&gt;&gt;&gt;&gt; &gt;&gt; &gt; but
&gt;&gt;&gt;&gt; &gt;&gt; &gt; that's not your carb.
&gt;&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;&gt;&gt; &gt;&gt; &gt; --
&gt;&gt;&gt;&gt; &gt;&gt; &gt; DougW
&gt;&gt;&gt;&gt; &gt;&gt; &gt;
&gt;&gt;
&gt;&gt;
&gt;
&gt;

Report this message