Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum - View Single Post - how to locate air vacuum pump in trailblazer
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Old 04-28-2009, 09:22 PM
jv03h jv03h is offline
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2005 GMC Envoy SLT
Cranberry Red Metallic 4.2L I6 4X4
Join Date: Apr 2009
Location: Ohio
Posts: 13
Checking air pump

When you remove both the air pump hose and the solenoid hose, you should get a blowing out of both.
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