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LT1/LT4 Tech 1993-1997

AIR pump

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  #1  
Old 02-03-2007, 11:18 AM
Josh's Avatar
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Default AIR pump
Hey Guys,

I'm new here, Looks like a great forum! Anyway, just purchased a 95 Z28. I know alot of folks have had issues with the OEM AIR pump. I've read posts elsewhere stating GM replaced them all but my dealer knows nothing about it!? Does anyone know how to correct the apparent moisture problem? I would just bypass the POS altogether but not until it will pass emmissions!

Thanks,

Josh
 
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  #2  
Old 02-03-2007, 01:14 PM
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Default RE: AIR pump
There was a bulletin 43-65-09 rewiring of the AIR pump relay. The pump only works during warm up and shuts off once the cat lights up.
 
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  #3  
Old 02-04-2007, 02:21 AM
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Default RE: AIR pump
Well, it really is a useless then! I wasn't aware it only flipped on during warm up.

Thanks!
 
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Old 02-04-2007, 02:23 PM
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Default RE: AIR pump
If you let the car warm up good and te cat is good, it will pass the sniffer inspection.
 
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  #5  
Old 02-04-2007, 04:22 PM
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Default RE: AIR pump
It also makes it a lot nicer under the hood. make sure to plug the manifold if you do take it off.
 
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