Extension Housing Rear Oil Seal for GMC Truck Yukon Denali 2000

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement or One-Piece Propeller Shaft Replacement .



3. Remove the rear extension oil seal.

Required Tools

J 21426 Rear Extension Seal Installer

1. Install the new seal usingJ 21426 .
2. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement or One-Piece Propeller Shaft Replacement .
3. Lower the vehicle.
4. Check the transmission fluid level. Refer to Fluid Capacity .

Use Dexron® III Automatic Transmission Fluid.