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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1877 (Engine Mechanical - 2.4L (Lat)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Position Intake Actuator Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Upper Timing Chain Guide Bolts And Guide
    GM1578296Courtesy of GENERAL MOTORS CORP.
  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement .
  2. Remove the upper timing chain guide bolts and guide.
  3. Install a 24 mm wrench onto the hex on the camshaft in order to hold the camshaft.
  4. Loosen, but DO NOT remove the intake camshaft actuator bolt.
    5. Fig 2: Identifying J 44217 Timing Chain Tensioner Tool
    GM1673556Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the tips of the J 44217  are fully engaged into the timing chain. See Special Tools .
  5. Install one of the tools (1) from the J 44217  to the exhaust camshaft side of the timing chain assembly in order to retain the timing chain. See Special Tools . Firmly tighten the nuts.
    6. Fig 3: View Of J 44217 Timing Chain Tensioner Tool
    GM1673561Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the tips of the J 44217  are fully engaged into the timing chain. See Special Tools .
  6. Install one of the tools (1) from the J 44217  to the intake camshaft side of the timing chain assembly in order to retain the timing chain. See Special Tools . Firmly tighten the nuts.
    7. Fig 4: Identifying Timing Chain & Camshaft Position Actuator
    GM1578297Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the timing chain and the camshaft position actuators are marked for proper assembly.
  7. Mark the intake and exhaust camshaft actuators and the respective locations on the timing chain.
  8. Install a 24 mm wrench onto the hex on the camshaft in order to hold the camshaft.
  9. Remove and discard the intake camshaft actuator bolt (2).
  10. Remove the intake camshaft actuator (3) from the camshaft while also removing the actuator from the timing chain.
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