Yukon/Denali 4WD V8-6.0L VIN U (2004)
15. Remove the manual detent spring bolt.
16. Remove the manual detent spring.
17. Inspect the manual detent spring for cracks or damage.
Important: Keep the valve body level when lowering it from the vehicle. This will prevent the loss of checkballs located in the valve body
passages.
18. Remove the remaining valve body bolts.
19. Carefully lower the valve body from the transmission case while simultaneously disconnecting the manual valve fink.
Installation Procedure
1. Install the checkballs (1-7) into the valve body.
