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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1317 (Engine Mechanical - 3.1L Unit Repair) >> Repair Instructions >> Air Injection Check Valve Removal

Air Injection Check Valve Removal

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove air injection vacuum hose.
    Fig 1: Air Injection Vacuum Hose
    G01702771Courtesy of GENERAL MOTORS CORP.
  2. Remove air injection check valve pipe, clamps, and bolt.
    Fig 2: Air Injection Check Valve Pipe
    G01702772Courtesy of GENERAL MOTORS CORP.
  3. Remove air injection solenoid switch and bolt.
    Fig 3: Air Injection Solenoid Switch
    G01702773Courtesy of GENERAL MOTORS CORP.
  4. Remove air injection check valve front nuts.
    Fig 4: Air Injection Check Valve Front Nuts
    G01702774Courtesy of GENERAL MOTORS CORP.
  5. Remove air injection check valve rear nuts.
    Fig 5: Air Injection Check Valve Rear Nuts
    G01702775Courtesy of GENERAL MOTORS CORP.
  6. Remove air injection check valve front bracket and bolt.
    Fig 6: Air Injection Check Valve Front Bracket
    G01702776Courtesy of GENERAL MOTORS CORP.
  7. Remove air injection check valve rear bracket and nuts.
    Fig 7: Air Injection Check Valve Rear Bracket
    G01702777Courtesy of GENERAL MOTORS CORP.
  8. Remove air injection check valve pipe adapters, front.
    Fig 8: Air Injection Check Valve Pipe Front Adapters
    G01702778Courtesy of GENERAL MOTORS CORP.
  9. Remove air injection check valve pipe adapters, rear.
    Fig 9: Air Injection Check Valve Pipe Rear Adapters
    G01702779Courtesy of GENERAL MOTORS CORP.