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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Engine Mechanical - 3.7L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Camshaft Intake Sprocket Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of CMP Actuator
    GM858340Courtesy of GENERAL MOTORS CORP.
  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement .
  2. Remove the intake camshaft position (CMP) sensor. Refer to Camshaft Position Sensor Replacement - Intake .
  3. Rotate the crankshaft in the engine rotational direction clockwise, until the #1 piston is at top dead center (TDC) on the compression stroke.

    The word Delphi on the exhaust camshaft position actuator will be parallel with the cylinder head to cam cover mating surface.

  4. Using the timing mark on the intake camshaft sprocket as a reference, make a mark on the timing chain link adjacent to it.
  5. Fig 2: View Of J 44221 Installed On Camshafts
    GM858336Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Camshaft Holding Tool Caution .
  6. Install the J 44221  to the rear of the camshafts.
  7. Fig 3: Installing 44217 & EN-44217-45 To Timing Chains
    GM812952Courtesy of GENERAL MOTORS CORP.
  8. Complete the following in order to install the J 44217  (1) and J-44217-45  (1).
    1. Install the hook portion of the timing chain retention tools into one of the timing chain links near the timing chain shoe on both sides of the engine.
    2. Tighten the wingnuts.
    3. Ensure the hooks are still in one of the links and the gage blocks of the tool are firmly in place on the edge of the head.
  9. Fig 4: View Of Intake Camshaft Sprocket Washer & Bolt
    GM748325Courtesy of GENERAL MOTORS CORP.
  10. Remove and discard the intake camshaft sprocket bolt.
  11. Remove the intake camshaft sprocket.