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Leaky fuel pump |
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al1630 
AMC Apprentice 
Joined: Oct/05/2017 Location: Boise, Idaho Status: Offline Points: 174 |
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 Topic: Leaky fuel pumpPosted: Jan/27/2019 at 5:15pm |
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Something weird happened today, I replaced the sediment bowl filter on the fuel pump on my American, and as soon as I started the engine it started leaking gas. It never did with the old filter, which I tried putting back on. I'm guessing the diaphragm decided to give out right then and it needs a rebuild. Which part number fuel pump would this car have used? It's a 1963 Rambler American 440H, 196 OHV with vacuum wipers. I've heard there were multiple types, one for the L Head, and versions for with and without vacuum wipers. Thanks! |
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Alex
1963 Rambler American 440H |
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tyrodtom
AMC Addicted 
Joined: Sep/14/2007 Location: Virginia Status: Offline Points: 6213 |
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Posted: Jan/27/2019 at 6:58pm |
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You might check the rubber gasket that goes around the sediment filter cover, it'll leak if not perfectly placed.
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66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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al1630
AMC Apprentice
Joined: Oct/05/2017 Location: Boise, Idaho Status: Offline Points: 174 |
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Posted: Jan/27/2019 at 7:08pm |
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It seems like it would be that since it only started when I replaced the filter but the gas looks like it's coming from under the area where the gasket is.
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Alex
1963 Rambler American 440H |
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al1630
AMC Apprentice
Joined: Oct/05/2017 Location: Boise, Idaho Status: Offline Points: 174 |
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Posted: Jan/28/2019 at 7:58pm |
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I've determined that the gas isn't leaking from the filter, it's coming from below from what looks like a small hole. From reading this sounds like a weep hole and if it's leaking this much something is definitely wrong. I've found a pump for a lower price than a rebuild that should work in this engine, but I wanted to confirm. The pump in the car is a Carter 3531S. So...will a Carter 3025S Pump work in this engine? That's the one I found for sale. Thanks!
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Alex
1963 Rambler American 440H |
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