GM Service Manual Online
For 1990-2009 cars only

Special Tools

KM-6351 Assembly Sleeves

Removal Procedure

  1. Remove the timing belt. Refer to Timing Belt Replacement.
  2. Remove the crankshaft sprocket.

  3. Object Number: 2049595  Size: SH
  4. Remove the crankshaft front oil seal ring (1).

Installation Procedure


    Object Number: 2049598  Size: SH
  1. Attach the installer inside sleeve (1).
  2. Attach the crankshaft front oil seal ring to the inside sleeve (1).
  3. Attach the installer outside sleeve (2).
  4. Install the crankshaft bolt (4) and washer (3).
  5. Install the crankshaft sprocket.
  6. Install the timing belt. Refer to Timing Belt Replacement.