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Old 09-02-2011, 11:49 PM   #1
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Fuel Pump help

We have a 1972 Chinook with a Dodge 413 engine. The fuel pump went out (the one up by the motor) We got the old one out but can't get the new one in. Please any help.. I've been out there for the last 2 days trying to get the new pump in. Any ideas...


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Old 09-03-2011, 12:14 AM   #2
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If I remember right the fuel pump is operated by the camshaft via a pushrod. The trick is getting the pushrod to stay up so the fuel pump lever will fit into position. Not sure about Dodge products, but on GM I used to remove an access cover to remove the pushrod. I applied axle grease on the rod and put it back in. The grease would hold the rod in place so the fuel pump could be installed.
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Old 09-03-2011, 12:23 AM   #3
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Been a long time sence ive worked on that motor but if i remember right there is a round fuel pump push rod about .500 inch dia. that will slide down after the pump is removed and keeps the new pump from going in. This rod must be pushed back up in to the block before the new pump will go in. This my mean the engine will have to be tured over some to get the rod to go up far enough. Hope this helps.
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Old 09-03-2011, 04:58 PM   #4
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Bravebear, I'm in the same boat as, autofish , long time since I saw/ worked on a big block Mopar, I'll add this though. If your engine uses a push rod there should be a Allen head plug in the block just below the pump opening, remove this plug and the rod will drop out, clean and dry the rod, cover it with grease, re-install rod and plug, and pump.
After 34 years at a Chrysler shop, you'd think that this kind of stuff would stick with you; guess I'm getting old!
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