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Home >> GMC >> 2011 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Engine Mechanical - 2.8L Or 3.0L - Repair Instructions - On Vehicle (2 Of 2)) >> Camshaft Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the left bank camshaft cover. Refer to Camshaft Cover Replacement - Left Side (LF1) or Camshaft Cover Replacement - Left Side (LAU) .
  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 camshaft position actuator. Refer to Camshaft Position Actuator Replacement - Bank 2 (LF1) .
  6. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    7. Fig 1: Identifying Camshaft Flats Parallel With Camshaft Cover Rail
    GM1306293Courtesy of GENERAL MOTORS CORP.
  7. Rotate the crankshaft with the EN-46111:  socket until the camshafts are in a neutral (low tension) position. The camshaft flats will be parallel with the camshaft cover rail (1).
    8. Fig 2: View of Camshaft/Engine Rotation Prevention 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.
  8. Loosen the camshaft position actuator bolt.
    9. NOTE: Ensure that the tips of the EN-46313:  tool are fully engaged into the timing chain.
  9. Install the EN-46313:  tool in order to retain the timing chain.

    Firmly tighten the EN-46313:  tool nuts.

    10. Fig 3: 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.
  10. Mark the timing chain and the respective locations on the camshaft position actuators (1-4).
  11. Remove the camshaft position actuator bolt.
  12. Remove the camshafts. Refer to Camshaft Removal - Left Side .
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