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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (Engine Mechanical - 3.5L (On-Vehicle)) >> Repair Instructions >> Camshaft Cover Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the automatic transaxle filler tube. Refer to FLUID FILLER TUBE (4T65-E) in Automatic Transaxle-4T65E.
  2. Remove the 2 fuel injector sight shield nuts at the front of the fuel injector sight shield.
  3. Lift the fuel injector sight shield up at the front and slide out of the engine bracket.
    Fig 1: Removing Fuel Injector Sight Shield
    G01816744Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel injector sight shield bracket bolts.
  5. Remove the fuel injector sight shield bracket.
    Fig 2: Removing Fuel Injector Sight Shield Bracket
    G01816745Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the PCV fresh air tube (2) from the right camshaft cover.
  7. Disconnect the engine wiring harness clips at the front of the right camshaft cover and position aside.
  8. Disconnect the oxygen sensor electrical connector and remove the connector end from the right camshaft cover.
  9. Remove the right ignition coil assembly from the right camshaft cover. Refer to IGNITION COIL(S) in Engine Controls-3.5L.
    Fig 3: Removing PCV Fresh Air Tube
    G01816746Courtesy of GENERAL MOTORS CORP.
    NOTE: Use only the spark plug boot special removal tool to remove the spark plug boots. Prying or using regular pliers could damage the boots.
  10. Remove the spark plug boots using the J 43094. 
    Fig 4: Removing Spark Plug Boots
    G01816747Courtesy of GENERAL MOTORS CORP.
  11. Remove the right camshaft cover retaining bolts.

    Important:  The right camshaft cover perimeter and spark plug seals should be reused unless they are damaged or if the perimeter seal is pulled from its groove during removal.

  12. Lift the right camshaft cover off the right cylinder head evenly.
  13. If necessary, disassemble the camshaft cover. Refer to CAMSHAFT COVER DISASSEMBLE .
  14. Clean and inspect the camshaft cover. Refer to CAMSHAFT COVER CLEANING AND INSPECTION in Engine Mechanical-3.5L Unit Repair.
    Fig 5: Removing Camshaft Cover
    G01816748Courtesy of GENERAL MOTORS CORP.
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