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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1118 (Propeller Shaft) >> Repair Instructions >> Rear Propeller Shaft Replacement (AWD) >> 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. Using a suitable jack, support the propeller shaft close to the support bearing.
    4. Fig 1: View Of Vehicle Underbody Bolts
    GM1392391Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts (1) securing the heat shield to the vehicle underbody.
  5. Remove the bolts (2) securing the support bearing to the vehicle underbody.
    6. Fig 2: View Of Propeller Shaft CV
    GM902087Courtesy of GENERAL MOTORS CORP.
  6. Reference mark the location of the propeller shaft consent velocity (CV) joint to the transfer case flange.
  7. Remove the propeller shaft CV joint to transfer case flange bolts.
    8. Fig 3: 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.
  8. Remove the propeller shaft coupler-to-differential flange bolts (6), nuts (4) and washers (5).
    9. Fig 4: View Of Propeller Shaft CV Joint-To-Transfer Case Flange Bolts
    GM850252Courtesy of GENERAL MOTORS CORP.
  9. Install a flat-bladed tool into the notch on the transfer case flange.
  10. Using a flat-bladed tool, move the propeller shaft toward the rear of the vehicle in order to release the propeller shaft CV joint from the transfer case flange.
  11. While holding the propeller shaft, lower the support device under the propeller shaft.
  12. Move the propeller shaft forward to release the coupler from the differential flange.
  13. Remove the propeller shaft from the vehicle.
  14. Inspect the propeller shaft coupler for the following conditions:
    • Splitting of the coupler
    • Deep cracking. Minor superficial cracking of the coupler is acceptable.
    • Distorted or missing mounting bolt bushings
  15. If any of the above conditions are found, the propeller shaft requires replacement.
  16. Inspect the CV Joint for the following:
    • Grease leaking from the CV joint
    • Damage to the CV joint
    • Damage to the CV joint boot
    • Rotate the CV joint for binding
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