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Power Brake Booster: Removal

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect negative battery cable. Remove windshield washer fluid reservoir. Disconnect electrical connector from master cylinder brake fluid level switch.
  2. Remove nuts securing master cylinder to booster. Remove master cylinder from booster without disconnecting brakelines and position master cylinder aside. Disconnect brake booster vacuum hose from booster check valve. Remove left sound insulator under instrument panel. Remove master cylinder input push rod retaining clip and pin from brake pedal.
  3. Remove the screw from the telescoping column motor mounting bracket and position the telescoping column motor assembly to the right of the steering column (if equipped). See Fig 1. Remove booster mounting nuts and washers.
  4. NOTE: The brake booster is retained to the cowl with push-on nuts.
  5. In order to release the booster mounting studs from the push-on nuts, move booster from side to side and pull the booster straight out.
  6. Remove the brake booster and seal from the cowl. Inspect the booster seal and sealing surfaces for damage. Replace the seal if necessary.
Fig 1: Identifying Telescoping Steering Column Motor
G00250003Courtesy of GENERAL MOTORS CORP.