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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1118 (Propeller Shaft) >> Repair Instructions >> Rear Propeller Shaft Replacement (RWD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the exhaust system. Refer to Exhaust System Replacement (With LY7 and LLT) or Exhaust System Replacement (With LP1) .
    3. Fig 1: View Of Front Propeller Shaft, Bolts, Nuts & Washers
    GM1236097Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Remove only the propeller shaft coupler-to-transmission flange bolts. Do NOT remove the coupler from the propeller shaft.
  3. Remove the propeller shaft coupler-to-transmission flange bolts (6), nuts (4) and washers (5).
    4. Fig 2: View Of Propeller Shaft Coupler-To-Differential Flange Bolts, Nuts & Washers
    GM1236095Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Remove only the propeller shaft coupler-to-differential flange bolts. Do NOT remove the coupler from the propeller shaft.
  4. Remove the propeller shaft coupler-to-differential flange bolts (6), nuts (4) and washers (5).
    5. Fig 3: View Of Vehicle Underbody Bolts
    GM1392391Courtesy of GENERAL MOTORS CORP.
  5. Support the propeller shaft at the support bearing.
  6. Remove the bolts (2) securing the support bearing to the vehicle underbody.
    7. Fig 4: View Of Front Propeller Shaft, Bolts, Nuts & Washers
    GM1236097Courtesy of GENERAL MOTORS CORP.
  7. Push the front propeller shaft (3) toward the rear of the vehicle in order to release the propeller shaft coupler (2) from the transmission flange (1).
  8. While holding the front propeller shaft (3), lower the support device under the propeller shaft support bearing.
  9. Remove the support bearing from the mounting studs.
    10. Fig 5: View Of Propeller Shaft Coupler-To-Differential Flange Bolts, Nuts & Washers
    GM1236095Courtesy of GENERAL MOTORS CORP.
  10. Pull the rear propeller shaft (1) forward to release the coupler (2) from the differential flange (3).
  11. Note the number and location of the shim packs between the support bearing mounting bracket and the underbody to ensure proper assembly.
  12. Remove the propeller shaft from the vehicle.
  13. Inspect the propeller shaft coupler for the following conditions:
    • Splitting of the coupler
    • Deep cracking. Minor superficial cracking of the coupler is acceptable.
    • Looseness at the propeller shaft mounting bolts
    • Distorted or missing mounting bolt bushings
  14. If any of the above conditions are found, the propeller shaft requires replacement.
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