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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1929 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Camshaft Position Actuator Replacement - Bank 2 (Left Side) Intake >> Installation Procedure

Installation 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.
    Fig 1: Identifying Camshaft Position Actuator Marks
    GM1852294Courtesy of GENERAL MOTORS CORP.
  1. Ensure the proper camshaft position actuator is installed. Observe the body of the camshaft position actuator for the IN marking (3).

    The marking is for an intake camshaft position actuator.

    2. Fig 2: View Of Right Intake Camshaft Position Actuator & Left Intake Camshaft Position Actuator
    GM1853919Courtesy of GENERAL MOTORS CORP.
    CAUTION: Ensure the proper camshaft position actuator is installed in the correct position. Failure to install the proper camshaft position actuator can effect engine performance and set an engine code.
  2. Ensure the proper camshaft position actuator is being installed. The reluctor wheel on the right intake camshaft position actuator (1) is indexed in a different position compared to the left intake camshaft position actuator (2).
    3. Fig 3: View Of Reluctor Wheel Lines Up With Peak
    GM1853928Courtesy of GENERAL MOTORS CORP.
  3. On the left intake camshaft actuator the edge of the reluctor wheel (1) lines up with the peak (2) of the sprocket tooth.
    4. Fig 4: Identifying Camshaft Position Actuator Marks
    GM1852294Courtesy of GENERAL MOTORS CORP.
  4. Ensure the proper timing mark is used. Observe the outer ring of the camshaft position actuator for the circle marking (1).

    The circle marking is for alignment to the highlighted timing chain link on the left side of the engine.

    5. CAUTION: Refer to Torque Reaction Against Timing Drive Chain Caution .
  5. Use an open wrench on the hex cast into the camshaft in order to prevent camshaft rotation when tightening the camshaft position actuator bolt.
    6. Fig 5: View Of Camshaft Position Actuator Bolt
    GM1852296Courtesy of GENERAL MOTORS CORP.
  6. Locate the intake camshaft position actuator to the camshaft and loosely install the bolt.
    7. 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.
  7. Tighten the camshaft position actuator bolt. Refer to Camshaft Position Actuator Installation - Left Side Intake .
  8. Install the left exhaust camshaft actuator. Refer to Camshaft Position Actuator Replacement - Bank 2 (Left Side) Exhaust .
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