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Home >> Chevrolet >> 2008 >> Optra LT, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Vacuum Brake Booster Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Identifying Power Booster Attaching Nuts
    GM1289933Courtesy of GENERAL MOTORS CORP.
  1. Remove the master cylinder. Refer to Master Cylinder Replacement .
    2. Fig 2: View Of Shaft And O-Ring
    GM1289949Courtesy of GENERAL MOTORS CORP.
  2. Remove the shaft and the rubber O-ring.
    3. Fig 3: View Of Booster And Components
    GM1289948Courtesy of GENERAL MOTORS CORP.
  3. Spread the clip on the vacuum hose connection to the brake booster and move the clip away from the booster.
  4. Remove the vacuum hose from the booster.
  5. Disconnect the stop lamp switch. Refer to Stop Lamp Switch Replacement .
  6. Remove the brake pedal spring.
  7. Remove the clip and the pushrod pin from the pedal bracket assembly.
    8. Fig 4: Identifying Pushrod Pin And Booster Mounting Nuts
    GM1289950Courtesy of GENERAL MOTORS CORP.
  8. Remove the booster mounting nuts from the studs protruding from the dash panel and remove the booster.
  9. Remove the rubber boot.
    10. Fig 5: Twisting Off Pushrod Clevis
    GM1289951Courtesy of GENERAL MOTORS CORP.
  10. Holding the hex nut, twist off the pushrod clevis.
  11. Remove the hex nut from the pushrod.
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