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Hydraulic Accumulator R & I: Installation

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  1. Before installing accumulator inspect "O" ring for damage and replace if necessary. Be sure "O" ring is in position on accumulator and is wet with brake fluid. Screw in accumulator. Wipe off any excess fluid.
  2. Turn ignition on. Check that "BRAKE" light goes out after one minute. Top off fluid reservoir up to "MAX" mark with a fully charged accumulator.
Fig 1: Exploded View of Hydraulic Unit
G109697Courtesy of GENERAL MOTORS CORP.