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Re: [GMCnet] Fuel Pump Poll [message #239365 is a reply to message #239193] |
Sun, 09 February 2014 23:58 |
Ken Burton
Messages: 10030 Registered: January 2004 Location: Hebron, Indiana
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Ken Burton wrote on Sat, 08 February 2014 11:19 |
jimk wrote on Sat, 08 February 2014 10:03 | If your mechanical pump is over 4 years old, best to replace as the
ethanol is deteriating the diaphragm and you'll have fuel in the crank case.
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Where did that idea come from? We have been under an EPA 10% ethanol mandate here since 1995. That is 19 years. I have never replaced a fuel pump of any kind for a leaking diaphragm and I know of no one else who has. We have diaphragm type pumps in all kinds of things from chain saws, to lawn mowers, to GMCs, to airplanes, and I have never replaced one. The last diaphragm pump I replaced was in 1961 on a 1954 Ford. In those days people could not even spell ethanol.
While I hate ethanol in gasoline, promoting an urban legend does not help it go away. I have replaced a couple of in tank rotary electric pumps for bad bearings.
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I need to correct this positing slightly. While I did not do the replacement work I was involved with a diaphragm style pump failure on an a GMC. I ran ran across a Canadian friend leaving Bean Station one year who could not get up enough power to climb the hill and cross over the pass west of Bean Station. I towed him up the hill to a crossover spot and headed him back down the hill to Bean Station again. When we got him back he determined that he had a fuel pump failure so we ran to NAPA in Knoxville on a Sunday and got him another one. I did not do the wrench work. I only provided the tow vehicle. We did not open the old pump to see if it was a check valve or diaphragm rupture failure.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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Fuel Pump Poll
By: jturbo on Wed, 04 September 2013 03:44
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Re: Fuel Pimp Poll
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Re: [GMCnet] Fuel Pimp Poll
By: mtnman111 on Wed, 04 September 2013 17:07
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Re: Fuel Pimp Poll
By: rvanwin on Wed, 04 September 2013 06:54
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Re: Fuel Pimp Poll
By: RF_Burns on Wed, 04 September 2013 07:11
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Re: Fuel Pimp Poll
By: jturbo on Wed, 04 September 2013 11:45
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Re: Fuel Pimp Poll
By: habbyguy on Wed, 04 September 2013 09:54
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Re: Fuel Pimp Poll
By: bwevers on Wed, 04 September 2013 10:13
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Re: Fuel Pump Poll
By: corleyw on Fri, 07 February 2014 18:47
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Fri, 07 February 2014 21:36
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Re: [GMCnet] Fuel Pump Poll
By: jimk on Sat, 08 February 2014 10:03
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Sat, 08 February 2014 17:53
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Re: Fuel Pump Poll
By: pyolet on Fri, 07 February 2014 21:26
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Sat, 08 February 2014 18:52
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Sun, 09 February 2014 22:19
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Sun, 09 February 2014 23:22
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Re: [GMCnet] Fuel Pump Poll
By: USAussie on Mon, 10 February 2014 07:18
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Re: [GMCnet] Fuel Pump Poll
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