Hydraulic Brake Booster Accumulator: Removal
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Apply the park brake and block the wheels.
- Depress brake pedal at least 10 times in order to relieve pressure in the accumulator.
- Remove the master cylinder from the hydraulic booster. See MASTER CYLINDER .
- Place the Accumulator Piston Compressor (J-26889) over the end of the accumulator. See Fig 1.
- Install the nut on the stud.
- Depress the accumulator with a C-clamp. If the accumulator does not move with moderate pressure, remove the C-clamp and depress the brake pedal 10 times in order to relieve pressure in the accumulator.
- Rotate the retaining ring until either end of the ring is under the access hole. See Fig 2.
- Depress and hold the retaining ring with a small tool inserted into the access hole.
- Remove the accumulator retainer ring using a small hook shaped tool. See Fig 3.
- Release the C-clamp. See Fig 1.
- Remove the nut from the stud.
- Remove the accumulator piston compressor.
- Remove the accumulator and the "O" ring seal. See Fig 3.