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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1629 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Camshaft Position Exhaust Actuator Replacement >> 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 camshaft cover. Refer to Camshaft Cover Replacement (LE5)  or Camshaft Cover Replacement (LAT) .
  2. Remove the spark plugs. Refer to Spark Plug Replacement .
    3. Fig 1: View of Camshaft Actuator Retainer
    GM2134128Courtesy of GENERAL MOTORS CORP.
  3. Rotate the crankshaft clockwise and install the camshaft actuator retainer EN-48953  (1).
    4. CAUTION: Refer to Fastener Caution .
  4. Install the camshaft actuator retainer bolts and tighten to 10 N.m (89 lb in).
  5. Loosen, but do not remove the exhaust camshaft actuator bolt.
  6. Clean the timing chain and gears with solvent.
    7. NOTE: Ensure 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. Fig 2: View Of Upper Timing Chain Guide Bolts And Guide
    GM1578296Courtesy of GENERAL MOTORS CORP.
  8. Remove the upper timing chain guide bolts and guide.
    9. Fig 3: Timing Chain Tensioner
    GM1578295Courtesy of GENERAL MOTORS CORP.
  9. Remove the timing chain tensioner.
    10. Fig 4: Identifying Timing Chain Retention Tool
    GM2134127Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • The camshaft actuators should not rotate during the removal or installation.
    • Ensure the tips of the EN-48749  are fully engaged into the timing chain. The retention tool rod can be used on the back side of the chain to ensure the teeth from the retention tool are engaged.
  10. Install the timing chain retention tool EN-48749  (1) to the exhaust side of the timing chain.
    11. Fig 5: Exhaust Camshaft Sprocket
    GM1578298Courtesy of GENERAL MOTORS CORP.
  11. Remove and discard the exhaust camshaft actuator bolt (2).
  12. Remove the exhaust camshaft actuator (3) from the camshaft while also removing the actuator from the timing chain.
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