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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 >> Timing Chain Tensioner Shoe 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 engine front cover. Refer to Engine Front Cover Replacement .
  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. Fig 2: View Of J 44221 Installed On Camshafts
    GM858336Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Camshaft Holding Tool Caution .
  5. Install the J 44221  to the rear of the camshafts.
  6. Fig 3: View Of Timing Chain Marked Links
    GM858344Courtesy of GENERAL MOTORS CORP.
  7. Using the timing marks on the following as a reference, make a mark on the timing chain links (1) adjacent to them:
    • The exhaust camshaft position actuator sprocket
    • The Intake camshaft sprocket
    • The crankshaft sprocket
  8. Fig 4: Releasing Tension On Timing Chain
    GM760721Courtesy of GENERAL MOTORS CORP.
  9. Release the tension on the timing chain by moving the tensioner shoe in.
  10. Fig 5: View Of Tee At Timing Chain Tensioner
    GM760718Courtesy of GENERAL MOTORS CORP.
  11. Place the tee into the tensioner to hold the shoe in place.
  12. Fig 6: View Of Cylinder Head Access Hole Plugs
    GM637770Courtesy of GENERAL MOTORS CORP.
  13. Remove the cylinder head access hole plug.
  14. Fig 7: View Of Timing Chain Tensioner Shoe & Bolt
    GM637584Courtesy of GENERAL MOTORS CORP.
  15. Remove the timing chain tensioner shoe bolt.
  16. Remove the timing chain tensioner shoe from the engine.