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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1635 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Camshaft Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the lower intake manifold. Refer to Lower Intake Manifold Replacement .
  2. Remove the left bank camshaft cover. Refer to Camshaft Cover Replacement - Left Side .
  3. Remove the camshaft sensors. Refer to Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust and Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake .
  4. Remove the camshaft position actuator solenoid. Refer to Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake .
  5. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    6. Fig 1: Camshaft Flats Parallel With Camshaft Cover Rail
    GM1306293Courtesy of GENERAL MOTORS CORP.
  6. Rotate the crankshaft with the EN 46111  until the camshafts are in a neutral (low tension) position. The camshaft flats will be parallel with the camshaft cover rail (1).
    7. Fig 2: Preventing Camshaft/Engine Rotation Using Open-End Wrench
    GM1340931Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Torque Reaction Against Timing Drive Chain Caution .
    NOTE:
    • Use an open-end wrench at the camshaft hex to prevent camshaft/engine rotation.
    • DO NOT remove the camshaft position actuator bolt at this time.
  7. Loosen the camshaft position actuator bolt.
    8. NOTE: Ensure that the tips of the EN 46108  are fully engaged into the timing chain (3 and 4). See Special Tools .
    Fig 3: Identifying EN 46108
    GM1341287Courtesy of GENERAL MOTORS CORP.
  8. Install the EN 46108  (1 and 2) in order to retain the timing chain. See Special Tools .

    Firmly tighten the EN 46108  nuts. See Special Tools .

    9. Fig 4: Locating Left Secondary Camshaft Drive Chain Timing Marks
    GM1306391Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure that the camshaft timing chain and the camshaft position actuators are marked for proper assembly.
  9. Mark the timing chain and the respective locations on the camshaft position actuators (1-4).
  10. Remove the camshaft position actuator bolt.
  11. Remove the camshafts. Refer to Camshaft Removal - Left Side (LY7/LP1) or Camshaft Removal - Left Side (LCS) .
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