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Topic: Third A.I.R. Pump in 4 months

in Forum: C4 Engines


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Third A.I.R. Pump in 4 months (1/1)
 11/8/14 4:43pm
Red Rocker
Standard Member
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Sugar Land, TX - USA

Vette(s):
1990 Deep Red C4


Joined: 11/8/2014
Posts: 2

I just installed a new AIR pump this weekend for the third time since August. I am beginning to wonder if an underlying problem. Parts come from Xcel, this is AC/Delco replacement, Cardone, so it shouldn't be cheap auto parts store crap. Do not yet have shop manual therefore not understanding what I am reading concerning Diverter valves and check valves in the "AIR" system. Any ideas on what to check and how? The pumps are seizing up, I assume from overheating.
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