Sierra 1500 4WD V8-5.3L VIN T (2004)
Seals and Gaskets: Service and Repair
Automatic Transmission - 4L80-E/4L85-E
Filler Tube and Seal Replacement
Filler Tube and Seal Replacement
Removal Procedure
1. Remove the oil level indicator.
2. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
3. Remove the fill tube bracket nut.
4. Place a drain pan under the transmission.
5. Remove the fill tube.
6. Remove the transmission fill tube seal.
Installation Procedure
1. Install the transmission fill tube seal.
2. Install the fill tube.
3. Remove the drain pan from under the transmission.
