K 3500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
6. Rotate retaining ring (2) until either end of the ring is under the access hole (1).
7. Depress and hold the retaining ring (2) with a small tool inserted into the access hole (1).
8. Remove the accumulator retainer ring (1) using a small hook shaped tool.
9. Release the C-clamp.
10. Remove the nut from the stud.
11. Remove the J 26889.