GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 39411 Flywheel Holder
    • J 39946 Crankshaft Rotation Socket

    Object Number: 53642  Size: SH
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .

  2. Object Number: 53213  Size: SH
  3. Remove the transmission-to-oil pan brace.

  4. Object Number: 62338  Size: SH
  5. Install the J 39411 in order to lock the flywheel.

  6. Object Number: 53003  Size: SH
  7. Remove the two tensioner mounting bolts.
  8. Remove the primary drive chain tensioner.

Installation Procedure

Tools Required

    • J 39411 Flywheel Holder
    • J 39946 Crankshaft Rotation Socket

    Object Number: 53004  Size: SH
  1. Collapse the tensioner using the following procedure:
  2. 1.1. Rotate the ratchet release lever counterclockwise and hold.
    1.2. Collapse the tensioner shoe and hold.
    1.3. Release the ratchet lever.
    1.4. Slowly release pressure on the shoe.

    Object Number: 52989  Size: SH
  3. As the ratchet lever moves to the first click, hold the tensioner shoe inward. Insert a pin through the hole in the release lever.
  4. The locked ratchet mechanism should hold the shoe in a collapsed position.

  5. Object Number: 53003  Size: SH

    Important: Be sure the tensioner release lever is facing toward you when the tensioner is installed.

  6. Install the tensioner.
  7. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  8. Install the bolts.
  9. Tighten
    Tighten the tensioner bolts to 25 N·m (18 lb ft).

  10. Remove the retaining pin. Allow the tensioner shoe to extend.
  11. Remove the J 39411 .

  12. Object Number: 53213  Size: SH
  13. Install the transmission-to-oil pan brace.
  14. Install the transmission-to-oil pan brace bolts.
  15. Tighten
    Tighten the transmission-to-oil pan brace bolts to 50 N·m (37 lb ft).

  16. Install the front cover. Refer to Engine Front Cover Replacement .