Avalanche 2500 4WD V8-8.1L VIN G (2003)
Seals and Gaskets: Service and Repair
4L80-E/4L85-E
Filler Tube and Seal
4L80-E/4L85-E
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
