GM Service Manual Online
For 1990-2009 cars only

    Object Number: 630662  Size: SH

    Important: The internal components of the torque tube assembly are not serviced separately. Replace the tube and internal components as an assembly.

  1. Inspect the torque tube for broken or cracked welds (1), dents or damage to the exterior of the tube (2), a damaged propeller shaft flange (3), or loose or missing dampners (4).

  2. Object Number: 630653  Size: SH
  3. Inspect the propeller shaft seal surface (1) for wear or excessive scoring.
  4. Inspect the propeller shaft splines (2) for any unusual or excessive wear.