GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2017154  Size: SH
  1. Install the chain tensioner assembly.
  2. Note: Make sure that the cam engages the first tooth of the plunger to allow the hook (4) to pass over the pin (5).

  3. Release the ratchet pawl, then fully push in the plunger and engage the hook to the pin so that the plunger is in the position shown in the illustration.

  4. Object Number: 2017155  Size: SH

    Note: If the hook releases the plunger while the chain tensioner is being installed, engage the hook again.

  5. Install a new gasket, bracket and the chain tensioner with the 2 nuts (1,2) and tighten to 10 N·m (7 lb ft).

  6. Object Number: 2017160  Size: SH
  7. Turn the crankshaft counterclockwise, then disconnect the plunger knock pin from the hook (1).

  8. Object Number: 2017161  Size: SH
  9. Turn the crankshaft clockwise, then check that the plunger (1) is extended.