Sierra Denali AWD V8-6.2L (2008)
7. Rotate the retaining ring (2) until either end of the ring is under the access hole (1).
8. Depress and hold the retaining ring (2) with a small tool inserted into the access hole (1).
9. Remove the accumulator retainer ring (1) using a small hook shaped tool.
10. Release the C-clamp.
11. Remove the nut from the stud.
12. Remove the J 26889 .