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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 870 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the drive belt. Refer to DRIVE BELT REPLACEMENT  .
  2. Remove the generator. Refer to GENERATOR .
  3. Remove the generator bracket.
  4. Disconnect the engine right side spark plug wires. Refer to SPARK PLUG WIRES .
  5. Disconnect the vacuum hoses from the evaporative emissions (EVAP) canister purge solenoid valve.
  6. Remove the EVAP canister purge solenoid valve. Refer to EVAP CANISTER PURGE SOLENOID .
    Fig 1: Disconnecting Vacuum Hoses From Evaporative Emissions Canister Purge Solenoid Valve
    G01500530Courtesy of GENERAL MOTORS CORP.
  7. Remove the ignition module bracket with the coils.
  8. Remove the vacuum hose from the grommet in the engine right side valve rocker arm cover.
    Fig 2: Removing Ignition Module Bracket With Coils - Valve Rocker Arm Right Cover Replacement
    G01500531Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve rocker arm cover bolts.
  10. Remove the valve rocker arm cover and gasket.
  11. Clean the valve rocker arm cover. Refer to VALVE ROCKER ARM COVER CLEANING AND INSPECTION .
  12. Clean the valve rocker arm cover gasket sealing surfaces on the cylinder head and the lower intake manifold.
    Fig 3: Removing Valve Rocker Arm Cover - Right
    G01500532Courtesy of GENERAL MOTORS CORP.
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