GM Service Manual Online
For 1990-2009 cars only

Tool Required

J 29113 Crankshaft Pulley Hub Installer


    Object Number: 3449  Size: SH
  1. Coat the front cover seal contact area with engine oil.

  2. Object Number: 3450  Size: SH
  3. Apply RTV sealer (GM P/N 1052917) or equivalent to the keyway in the crankshaft.
  4. Install the key into the keyway on the crankshaft.

  5. Object Number: 3451  Size: SH
  6. Install the pulley hub into position over the key on the crankshaft.

  7. Object Number: 3453  Size: SH
  8. Install the J 29113 through the hub and into the crankshaft so that at least 6 mm (0.24 in) of thread are engaged.
  9. Pull the crankshaft pulley hub into position against the J 29113 .
  10. Remove the J 29113 from the crankshaft.
  11. Make sure that the hub is seated against the crankshaft.
  12. Install the crankshaft pulley. Refer to Crankshaft Pulley Installation.

    Object Number: 3448  Size: SH
  1. Position the crankshaft pulley over the crankshaft pulley hub.
  2. Install the crankshaft pulley bolts.
  3. Tighten
    Tighten the crankshaft pulley bolts to 50 N·m (37 lb ft).

    Refer to

    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.

    in General Information.


    Object Number: 3447  Size: SH
  4. Install the crankshaft pulley to hub bolt.
  5. Tighten
    Tighten the crankshaft pulley to hub bolt to 105 N·m (77 lb ft).