CTS V6-2.8L (2006)
8. Remove the propeller shaft coupler-to-transmission flange bolts (5), nuts (1) and washers (4).
Important: Remove only the propeller shaft coupler-to-transmission flange bolts. Do NOT remove the coupler from the propeller shaft.
9. Move the propeller shaft toward the front of the vehicle in order to release the propeller shaft CV joint from the differential flange.
10. While holding the propeller shaft, lower the support device under the propeller shaft.
11. Move the propeller shaft rearward to release the coupler from the transmission flange.
12. Remove the propeller shaft from the vehicle.
13. Inspect the propeller shaft coupler for the following conditions:
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Splitting of the coupler
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Deep cracking. Minor superficial cracking of the coupler is acceptable
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Distorted or missing mounting bolt bushings
14. If any of the above conditions are found, the propeller shaft requires replacement.
15. If the propeller shaft coupler shows signs of heat related damage check for the following:
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Exhaust system alignment or wear
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Powertrain mount alignment or wear
16. Inspect the propeller shaft CV joint assembly for the following conditions:
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Grease leaking from the CV joint
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Damage to the CV joint
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Damage to the CV joint boot
17. If any of the above conditions are found, the propeller shaft requires replacement.
18. Inspect the propeller shaft-to-flange nuts, bolts, and washers. Replace if damaged or worn.
Installation Procedure
1. Using a clean shop cloth clean the following:
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Transmission flange centering pin
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Propeller shaft centering bushing
2. Using a suitable jack support the propeller shaft close to the support bearing.
Important: The propeller shaft flange bolts must be installed toward the flanges.
3. Using a suitable jack, and/or heavy mechanical wire support the front propeller shaft close to the rear CV joint.
4. Apply a small amount of lubricant GM P/N 1051344 (Canadian P/N 993037), or equivalent, to the propeller shaft centering bushing.
