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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1693
Experience:  GM Grand Master Technician 2007. 14 year experience.
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Ok on my 2004 gmc envoy, i pulled off the hose to the pump

Customer Question

ok on my 2004 gmc envoy, i pulled off the hose to the pump and air is coming thru the one hose and going thru the pump and out the other side for around 30 seconds and the it cuts off. that sound good or bad , i dont hear the pump itself kicking on but
the air id definatly going thru , . what next . thanks
Submitted: 2 years ago.
Category: GMC
Expert:  Dan replied 2 years ago.

Hello, my name is***** diagnostic code is your vehicle setting? Thanks.

Customer: replied 2 years ago.
nethermind please close question .