Thread: Any sources for a vacuum pump piston?
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Old 04-18-2003, 02:15 PM
Nate Stanley's Avatar
Nate Stanley Nate Stanley is offline
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Join Date: Jul 2000
Location: Watsonville, Ca
Posts: 399
Stevo,

All I know for sure with respect to the 2 types of pumps is that the one on my car has one hose protruding from the top, and the earlier version, according to the previous owner, had two hoses, one going to the brake booster and the other to a hole in the top of the air filter housing.

I am also leery of the pump because of the second failure, OTOH the piston is a die-casting (not much inherent strength) that has to ba slammed back and forth 2x per injector pump revolution.

Maybe after 20 years of this, more of them will start giving out--
Who knows?

That's why I'd like others to weigh in on this issue--

Thanks, Nate
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Nate Stanley
(Currently Benzless)
1985 F-250 6.9l 170K
2009 SCION XB 36.5K
2003 LS430 78K
2012 Kubota B 2320
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