Yukon/Denali 4WD V8-5.3L VIN T (2004)
1. Remove the transmission filter.
Important: The 1-2 accumulator can be removed without removing the valve body.
2. Remove the valve body. Refer to Valve Body and Pressure Switch Replacement.
3. Remove the accumulator cover bolts.
4. Remove the 1-2 accumulator cover.
5. Disassemble the 1-2 accumulator.
5.1.
Blow compressed air into the 1-2 accumulator cover, as shown, in order to remove the 1-2 accumulator piston.
5.2.
Remove the 1-2 accumulator inner and outer springs.
6. Inspect the 1-2 accumulator inner and outer springs for cracks.