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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 >> Vacuum Brake Booster Replacement >> Installation Procedure

Installation 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.
    Fig 1: View of Vacuum Brake Booster
    GM106322Courtesy of GENERAL MOTORS CORP.
  1. Install the vacuum brake booster mounting gasket to the booster, if removed previously.
  2. Install the vacuum brake booster to the vehicle.
  3. Lower the vehicle onto the engine frame. Refer to Frame Replacement - Front .
  4. Remove the jack stands.
  5. Lower the vehicle.
    6. Fig 2: Identifying Vacuum Brake Booster Mounting Nuts
    GM1678358Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  6. Install the brake pedal assembly to booster stud mounting nuts (1) to the booster studs.

    Tighten:  Tighten the brake pedal assembly to booster stud mounting nuts to 30 N.m (22 lb ft).

    7. Fig 3: Identifying Brake Pedal Assembly Clevis Pin
    GM1678341Courtesy of GENERAL MOTORS CORP.
  7. Apply a small amount of lubricant, GM P/N 12346293 or equivalent to the clevis pin of the brake pedal.
  8. Connect the vacuum brake booster pushrod to the brake pedal clevis pin.
  9. Install the foam spacer (3) to the brake pedal clevis pin.
  10. Install the retainer clip (2) to the brake pedal assembly clevis pin.
  11. Install the steering column.
  12. Install the steering column mounting attaching nuts. Refer to Steering Column Replacement .
  13. Install the left knee bolster. Refer to Driver Knee Bolster Replacement .
  14. Install the left closeout insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
    15. Fig 4: Positioning Gearshift Lever Into Park
    GM491324Courtesy of GENERAL MOTORS CORP.
  15. Install the inlet heater pipe. Refer to Heater Pipes Replacement .
  16. Install the shift control cable to the shift cable bracket. Refer to Automatic Transmission Range Selector Cable Replacement - Console .
  17. Position the gearshift lever into park.
    18. Fig 5: View Of Vacuum Booster & Check Valve
    GM491255Courtesy of GENERAL MOTORS CORP.
  18. Install the brake booster vacuum check valve (2) to the vacuum brake booster.
  19. Install the master cylinder to the vacuum brake booster. Refer to Master Cylinder Replacement .
  20. Connect the fuel vapor lines in front of the brake booster.
  21. Remove the blocks from the front wheels.
  22. Release the parking brake.
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