Sierra Denali V8-6.0L VIN N (2005)
15. Install the 1-2 accumulator cover and the accumulator cover bolts.
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Tighten the bolts to 11 Nm (97 inch lbs.).
16. Remove the J 25025-B from the transmission case.
17. Install the valve body.
18. Install the transmission filter.
Transmission Extension Housing Rear Oil Seal Replacement
Transmission Extension Housing Rear Oil Seal Replacement
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Tools Required
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J 21426 Extension Housing Seal Installer
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J 36850 Transjel Lubricant
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Place a drain pan under the vehicle.
3. Remove the propeller shaft.
4. Remove the case extension housing rear oil seal. Use a flat bladed tool and carefully pry the seal from the housing.
5. Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Transmission Extension Housing Assembly
Replacement.
Installation Procedure
1. Lubricate the inside diameter of the new seal with J 36850.
2. Use the J 21426 with a soft faced mallet to install the seal.
3. Install the seal to the extension housing.
4. Install the propeller shaft.
