96 F250 air pump problem? - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 02-02-2012, 03:54 PM Thread Starter
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96 F250 air pump problem?

just bought a 1996 Powerstroke with a 7.3 its my first diesel so im new at this and on the side of the vacuum pump there seems to be some sort of relief valve about the size of a half dollar and it is rattling can anybody tell me what this is and is it any concern it bothers me cause i can hear it with the window down

Last edited by jake-96-7.3; 02-02-2012 at 06:54 PM. Reason: typo
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post #2 of 2 Old 02-03-2012, 08:09 AM
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I think the piece you are talking about is just the inlet for the vacuum pump. I think it is just crimped on but not positive. Could use a couple of dabs of silicon to stop it from rattling but let it dry before starting the engine so the silicon doesn't get sucked in the pump.

97 F250 Xlt, built E4od, D60 swap, Baby swamps, tunes by Dp
1.0 turbo housing, 203* t-stat, diy 6637, 4" exhaust
Diy intercooled, 6.0 fan, Diy 140v Idm, Isspro Ev gauges
On board air,E-fuel, 5" lift on 35's
320000 miles
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