Avalanche 2500 4WD V8-8.1L VIN G (2003)
3. Place the J 26889 over the end of the accumulator.
4. Install the nut on the stud.
5. Depress the accumulator with a C-clamp.
6. Install the accumulator retainer ring (1).
7. Release the C-clamp.
8. Remove the nut from the stud.
9. Remove the J 26889 .
10. Install the master cylinder to the hydraulic booster. Refer to Master Cylinder Replacement (Vacuum Boost)Master Cylinder Replacement
(Hydraulic Boost) .
11. Release the park brake and unblock the wheels.