Torque Tube Assembly Cleaning and Inspection

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Torque Tube Assembly

Courtesy of GENERAL MOTORS CORP.

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

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 dampeners (4).

Fig 2: Inspecting Sealing Surface Of Propeller Shaft

Courtesy of GENERAL MOTORS CORP.

Inspect the propeller shaft seal surface (1) for wear or excessive scoring.
Inspect the propeller shaft splines (2) for any unusual or excessive wear.