GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 42069 Timing Belt Alignment Kit
    • J 42098 Crank Hub Torx Socket

    Object Number: 894184  Size: SH
  1. Rotate the crankshaft using J 42098 until the #1 cylinder is at 60 degrees before top dead center (BTDC).
  2. Install the crankshaft locking kit tool J42069-10 within the J 42069 .
  3. Rotate the crankshaft in the engine in a rotational direction (clockwise) using the J 42098 until the #1 cylinder is at the TDC and tighten the lever arm to the water pump pulley flange.

  4. Object Number: 894191  Size: SH

    Important: Ensure that the alignment of crankshaft is not 180 degrees off. The alignment mark must align with the corresponding notches on the rear timing belt cover.

  5. Install camshaft locks 1-2 and 3-4 using kit tools J42069-1 and J42069-2 within the J 42069 .

  6. Object Number: 894193  Size: SH

    Important: Do not rotate the crankshaft if camshafts are not locked in place with 1-2 and 3-4 camshaft locks, J 42069-1 and J 42069-2 .

    Important: Do not rotate the camshafts unless the crankshaft is at 60 degrees BTDC or the valves may contact the crankshaft.

  7. Remove the upper and the lower idler pulleys.
  8. Remove the timing belt.