Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
1. Install a new 3-4 accumulator piston seal (1) to the 3-4 accumulator piston.
2. Install the 3-4 accumulator pin (1) into the transmission case and retain the pin with J 36850.
3. Install the 3-4 accumulator piston (2) onto the pin (1) in the transmission case.
Ensure that the 3-4 accumulator piston legs face away from the transmission case.