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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Hydraulic Brake System) >> Repair Instructions >> Power Brake Booster Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: Refer to Battery Disconnect Caution.
  1. Disconnect the battery negative cable.
  2. Place the vehicle on a level surface.
  3. Block the front wheels.
  4. Apply the parking brake.
  5. Disconnect the power steering inlet hose. Refer to Power Steering Return Hose Replacement .
  6. Disconnect the power steering pressure hose. Refer to Power Steering Pressure Pipe/Hose Replacement .
  7. Disconnect the power steering gear to booster hose. Refer to Power Steering Pressure Pipe/Hose Replacement .
    8. Fig 1: View Of Master Cylinder
    GM363527Courtesy of GENERAL MOTORS CORP.
  8. Remove the master cylinder. Refer to Master Cylinder Replacement .
    9. Fig 2: View Of Booster Assembly, Wiring Harness Bracket & Spacer
    GM363525Courtesy of GENERAL MOTORS CORP.
  9. Remove the wiring harness bracket (2).
  10. Remove the spacer (3) from the booster assembly (4).
  11. Remove the left closeout insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  12. Remove the left knee bolster. Refer to Driver Knee Bolster Replacement .
    13. Fig 3: Identifying Brake Pedal Assembly Clevis Pin
    GM1678341Courtesy of GENERAL MOTORS CORP.
  13. Remove the vacuum brake booster retainer clip (2) from the brake pedal clevis pin.
  14. Remove the foam spacer (3) from the brake pedal clevis pin.
  15. Disconnect the vacuum brake booster push rod from the brake pedal clevis pin.
    16. Fig 4: Identifying Vacuum Brake Booster Mounting Nuts
    GM1678358Courtesy of GENERAL MOTORS CORP.
  16. Remove the vacuum brake booster mounting nuts (1) from the brake pedal assembly.
  17. Remove the vacuum brake booster assembly.
  18. Remove the vacuum brake booster mounting gasket, if gasket replacement is necessary.
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