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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1415 (Engine Control System - 4.2L (Introduction)) >> Repair Instructions >> Secondary Air Injection (AIR) Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: Removing/Installing AIR Pump
    GM1297873Courtesy of GENERAL MOTORS CORP.
  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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