Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks

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Fuel pump #312237 07/06/14 12:20 PM
Joined: Aug 2011 Posts: 136 New Mexico Steves_30_Chevy OP Shade Tree Mechanic
OP Steves_30_Chevy Shade Tree Mechanic Joined: Aug 2011 Posts: 136 New Mexico	So I am rebuilding a fuel pump for a 1029-30. Opened the pump to get to the diaphragm and found that there was a riveted copper washer thing on both sides of the diaphragm. This is not on the rebuild kit diaphragm. I think I will need it. What do I do????? Steven

Filling Station - Chevrolet & GMC Reproduction Parts

Re: Fuel pump Steves_30_Chevy #312243 07/06/14 01:45 PM
Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon Junkyard Dog Tech Advisor ChatMaster - 25,000
Junkyard Dog Tech Advisor ChatMaster - 25,000 Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon	Sounds like you have the wrong fuel pump for your car. The correct 1929-32 fuel pump has a threaded shaft for the diaphragm and the diaphragm is held in place with some cup washers along with a nut and lock washer. The Mangy Old Mutt "If It's Not Junk.....It's Not Treasure!"

Re: Fuel pump Steves_30_Chevy #312305 07/07/14 08:06 AM
Joined: Aug 2011 Posts: 136 New Mexico Steves_30_Chevy OP Shade Tree Mechanic
OP Steves_30_Chevy Shade Tree Mechanic Joined: Aug 2011 Posts: 136 New Mexico	Ya that's it. I have rebuilt four pumps and when I open it up some have it one way and others have it the other way. Can I get the cup washers someplace?

Re: Fuel pump Steves_30_Chevy #312313 07/07/14 09:45 AM
Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon Junkyard Dog Tech Advisor ChatMaster - 25,000
Junkyard Dog Tech Advisor ChatMaster - 25,000 Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon	Don't know of a source for the cup washers other than obtaining several used fuel pump for parts. Keep in mind, that when ordering a fuel pump repair kit you always order the kit for the model of pump and not the year of car. Otherwise, if the car no longer has the original fuel pump you will receive the wrong repair kit...which, apparently, is what happened in your case. The correct fuel pump for your application is an AC-405. The Mangy Old Mutt "If It's Not Junk.....It's Not Treasure!"

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