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Question
I need to replace the smog pump on my 2004 GMC Envoy with the inline six, what is the best procedure
Optional Information:
Year: 2004
Make : GMC
Model: envoy
Engine: in line 6
1. Jack up the truck.
2. Disconnect both the air inlet and air outlet pipes from the secondary air injection (AIR) reaction pump.
3. Remove the electrical relay from the AIR pump bracket.
4. Disconnect the electrical connector from the AIR pump.
5. Remove the 3 bolts securing the AIR pump bracket to the vehicle frame.
6. Remove the AIR pump from the vehicle.
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