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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Disc Brakes) >> Removal & Installation >> Brake Booster Accumulator >> Removal

Brake Booster Accumulator: Removal

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Depress brake pedal at least 20 times to relieve pressure in accumulator.
  2. Remove master cylinder nuts from the hydraulic booster.
  3. Remove master cylinder and secure away from the hydraulic booster.
  4. Remove hydraulic booster. See BRAKE BOOSTER  under REMOVAL & INSTALLATION.
  5. Place the Accumulator Piston Compressor (J-26889) over the end of the accumulator.
  6. Install nut on the stud.
  7. Depress accumulator with a C-clamp.
  8. Rotate retaining ring until either end of the ring is under the access hole.
  9. Depress and hold the ring with a small tool inserted into the access hole.
  10. Remove accumulator retainer ring using a small hook shaped tool.
  11. Release C-clamp.
  12. Remove nut from the stud.
  13. Remove actuator piston compressor tool. Remove accumulator and O-ring seal.
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