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Post by Deleted on Jul 7, 2014 18:07:51 GMT -5
So on the 5th I motored south to friend Wally P's place for a Jeep run (2nd annual). I stopped for gas 60 miles out and as I pulled out of the gas station the 2A quit  , It restarted but would not run up past 45 mph. I decided to travel light and took my small tool box and my spare pump was in the bigger tool box at home (Murphy's law). Anyway I motored on and as long as I did not push it the Jeep was ok, I did go to an Oreille's and pick up an electric pump just in case. I did complete the trip (210 miles) without installing the electric pump. Now the pump is 6 yo, glass bowl repop with 4000 miles on it. I will assume the check valve spring (S) are bad or the valves themselves are floating at higher rpm. I will tear this one down for inspection. Anyone else have pump troubles? Lee  |
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Post by athawk11 on Jul 7, 2014 19:42:09 GMT -5
I'm not sure, but I may be having a similar issue. When climbing a long hill, I am hard on the throttle. Occasionally, the Willys sputters a bit, so I let off the throttle. It immediately recovers, and then acts just fine. I keep threatening to troubleshoot the fuel system, but life is full of other challenges right now.
It acts like the fuel pump isn't able to keep up with the demand. This pump is a reproduction CJ5 dual action pump.
Tim
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Post by Moose, the, 74 on Jul 7, 2014 20:27:50 GMT -5
Hmmmmm....this reminds me that I canobolized my fuel pump repair kit last year for the Rustbucket jeep's pump. Who sells the best repair kits these days? Or better yet, who has them in stock?
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Post by Haines Garage on Jul 7, 2014 20:44:52 GMT -5
So we have another dilemma to conquer !
WTF !!!
Are all reproduction parts just crap ?!!
We have a spot for that too ....
I am not happy to hear this !
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Post by zooke581 on Jul 7, 2014 22:10:38 GMT -5
I got a fuel pump from a G503 member at the D-Day Memorial on June 6th of this year. It is a repo. After 300 miles the primer does not work and it leaks oil out of the primer lever pivot constantly. Still pumps fuel fine but...
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Post by Moosier on Jul 8, 2014 7:43:27 GMT -5
I think since the beginning of time, the MB/GPW repro pumps have always been know to leak through the lever pivot. As for the lever no longer priming, my does that...but only on occasion. I think it stops priming once I have fuel into the carb. I do have an original pump sitting on my shelf, but it's in need of a rebuild. I need to find a kit, rebuild it, and then keep it in the jeep, I guess.
-bo
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Post by Deleted on Jul 8, 2014 18:22:48 GMT -5
I'm not sure, but I may be having a similar issue. When climbing a long hill, I am hard on the throttle. Occasionally, the Willys sputters a bit, so I let off the throttle. It immediately recovers, and then acts just fine. I keep threatening to troubleshoot the fuel system, but life is full of other challenges right now. It acts like the fuel pump isn't able to keep up with the demand. This pump is a reproduction CJ5 dual action pump. Tim Tim, we have the same problem. I ordered TWO new glass bowl repops from Walcks yesterday. I want a fresh spare for Colorado  , and will have an electric backup as well......... I will tear the current one down and report on my findings as I suspect weak check valve springs (thank you Chi-Com repop wizards). Zookie, the MB/GPW repops are well known for the same problems you face (leaking primer arm). Moose55, Midwest military will rebuild your oe pump with ethanol resistant parts, also Then and Now will do it as well. HG, upon my findings upon teardown a report will follow in the CRAP parts section if it is indeed crap  Lee |
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Post by Haines Garage on Jul 9, 2014 6:08:11 GMT -5
Can't wait for this review!! Here we go..
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Post by Deleted on Jul 9, 2014 12:18:58 GMT -5
Did you see lots of air bubbles in the glass bowl? Also, was the bowl tight against the gasket? Oil
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Post by Deleted on Jul 9, 2014 17:21:35 GMT -5
THAT SUCKS AFTER WHAT YOU GOT TO GO THROUGH ANYMORE WITH ALL THE CRAP BEING REPOPED...
SIR LEE : I HAVE BEEN USING REPOP GLASS BOWL FUEL PUMPS THAT I CAN GET MADE IN THE USA...I HAVE BEEN USING THEM ON ANY REFURBISHES THAT HAVE COME THROUGH THE SHOP WITH NO PROBLEMS...I HAVE ONE ON A M38A1 WE USE FOR CHASING PARTS AND RUNNING AROUND FOR LUNCH EVERYDAY AND WE HAVENT HAD ANY PROBLEMS...WITH THE SPARES YOU GOT COMING IF YOU HAVE ANY ISSUES I WILL BE MORE THAN GLAD TO SEND YOU ONE OUT FOR A TRIAL RUN FOR YOUR JEEP FREE OF CHARGE !!
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Post by Deleted on Jul 9, 2014 17:42:19 GMT -5
Paul, I will keep you in mind. I talked to a classic car guy today, (mustangs, Camaro's, ect) he said most current production pumps are crap and not a Jeep specific issue!. I will do some testing before I remove the pump  , I will tee in a fuel pressure gage between the pump and carb and go for a ride and se whats happening . Lee |
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Post by Haines Garage on Jul 9, 2014 18:30:08 GMT -5
THAT SUCKS AFTER WHAT YOU GOT TO GO THROUGH ANYMORE WITH ALL THE CRAP BEING REPOPED...
SIR LEE : I HAVE BEEN USING REPOP GLASS BOWL FUEL PUMPS THAT I CAN GET MADE IN THE USA...I HAVE BEEN USING THEM ON ANY REFURBISHES THAT HAVE COME THROUGH THE SHOP WITH NO PROBLEMS...I HAVE ONE ON A M38A1 WE USE FOR CHASING PARTS AND RUNNING AROUND FOR LUNCH EVERYDAY AND WE HAVENT HAD ANY PROBLEMS...WITH THE SPARES YOU GOT COMING IF YOU HAVE ANY ISSUES I WILL BE MORE THAN GLAD TO SEND YOU ONE OUT FOR A TRIAL RUN FOR YOUR JEEP FREE OF CHARGE !!
Oh hell no .... Where's mine!!!! |
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Post by Haines Garage on Jul 9, 2014 18:32:07 GMT -5
Did you see lots of air bubbles in the glass bowl? Also, was the bowl tight against the gasket? Oil Could you explain why?... I know you know what you are talking about , but want to give you full credit for what you have started here ! Please share the why ..... |
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Post by Deleted on Jul 9, 2014 19:07:10 GMT -5
Oh hell no .... Where's mine!!!! ALL YOU GOT IS A ROLLING CHASSIC WITHOUT A RUNNING ENGINE OR BODY...WHEN YOU NEED ONE MAYBE , JUST MAYBE I MIGHT SEND YOU ONE !  |
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Post by Haines Garage on Jul 9, 2014 19:43:26 GMT -5
Oh hell no .... Where's mine!!!! ALL YOU GOT IS A ROLLING CHASSIC WITHOUT A RUNNING ENGINE OR BODY...WHEN YOU NEED ONE MAYBE , JUST MAYBE I MIGHT SEND YOU ONE ! True... You got me. However in light of this topic, send me one . PM me with the price...... I'm not paying it , and you will send it ! Watch,,,, |
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Post by Moosie on Jul 9, 2014 20:16:10 GMT -5
Haha! HG just wants free sh!t and gets his leiderhosen all wadded up when he sees someone else getting a gift!!
Lee...I've had no problem rebuilding the fuel pumps in the past. I just need a darn kit. I'm not too keen on having to pay shipping twice along with paying for labor and parts. Sounds like there aren't any suitable rebuild kits out there.
I've been using supposed ethanol-free gas in my MVs for the last few years without any fuel componet issues. However, my lawnmower and weed eater get fed the cheap stuff, and, well...those guys have issues!
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Post by Deleted on Jul 9, 2014 21:17:09 GMT -5
NO Bubbles! Lee |
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Post by Haines Garage on Jul 9, 2014 22:08:19 GMT -5
NO Bubbles! Lee So you need to watch some old Larwence Welk episodes ...he had tons of tiny bubbles!!!! |
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Post by Haines Garage on Jul 9, 2014 22:13:28 GMT -5
Haha! HG just wants free sh!t and gets his leiderhosen all wadded up when he sees someone else getting a gift!! Lee...I've had no problem rebuilding the fuel pumps in the past. I just need a darn kit. I'm not too keen on having to pay shipping twice along with paying for labor and parts. Sounds like there aren't any suitable rebuild kits out there. I've been using supposed ethanol-free gas in my MVs for the last few years without any fuel componet issues. However, my lawnmower and weed eater get fed the cheap stuff, and, well...those guys have issues Our wonderful alcohol E 85 corn crap garbage gas is a big cause of fuel pump and fuel system failures. I've pulled brand new systems back out of the Jeep due to this crap. I now ONLY buy non alcohol premium and will go out of my way and spend dollars per gallon more to get it. I'm considering draining the entire system for over winter storage because of this. I will if it gets worse. Luckily my climate allows me to do this without condensation. A shop at a steady 50 degrees helps too. I'm waiting for Lee's report. It's because of Lee I boxed up a fuel pump and water pump to take to Colorado. Thanks for the idea Lee! Oil |
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Post by Haines Garage on Jul 10, 2014 16:08:06 GMT -5
Thank you General Leaker.
That is a perfect explanation .
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Post by Deleted on Jul 10, 2014 21:09:04 GMT -5
For Colorado I will have much spare parts,,,,,,,, fuel pump, water pump, dist, carb, gen/reg and a complete gasket set. If I do not need this stuff I may be able to help out someone who does . Fuel pump trouble shooting this weekend Lee |
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Post by Deleted on Jul 11, 2014 16:21:31 GMT -5
Haha! HG just wants free sh!t and gets his leiderhosen all wadded up when he sees someone else getting a gift!! The Hillbillis will produce ! How about this... If Germany wins ... I get the pump free. If Germany loses ... I pay for it ! What say you Sir. Billis ?!!! I GOT HIM A PUMP ALL RIGHT I WILL SEND HIM ONE HE WILL APPRECIATE IT TOO...JUST WATCH AND SEE WHAT SHOWS UP AT HIS HQ |
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Post by Haines Garage on Jul 11, 2014 16:50:40 GMT -5
Yeah!! About time you start showing some respect .
And it better be a good one, real. NOS Buddy!
I'll be wearing s path out to the mailbox...
Chop. Chop.
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Post by Deleted on Jul 11, 2014 17:34:13 GMT -5
Hey! this is a serious thread on fuel pumps . You scoundrels go bs some other place or I will ban you Lee Haha |
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, It restarted but would not run up past 45 mph. I decided to travel light and took my small tool box and my spare pump was in the bigger tool box at home 
, and will have an electric backup as well......... I will tear the current one down and report on my findings as I suspect weak check valve springs (thank you Chi-Com repop wizards).
, I will tee in a fuel pressure gage between the pump and carb and go for a ride and se whats happening 
Our wonderful alcohol E 85 corn crap garbage gas is a big cause of fuel pump and fuel system failures. I've pulled brand new systems back out of the Jeep due to this crap. I now ONLY buy non alcohol premium and will go out of my way and spend dollars per gallon more to get it. I'm considering draining the entire system for over winter storage because of this. I will if it gets worse. Luckily my climate allows me to do this without condensation. A shop at a steady 50 degrees helps too. I'm waiting for Lee's report. It's because of Lee I boxed up a fuel pump and water pump to take to Colorado. Thanks for the idea Lee! Oil