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Home >> Chevrolet >> 1999 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Removal & Installation >> Power Brake Booster >> Removal & Installation (FWD "U" Van) >> Removal Procedure

Removal Procedure

  1. Remove the air cleaner and the duct.
    Fig 1: Vacuum Hose & Check Valve
    GM180990
  2. Remove the vacuum hose from the vacuum check valve. Reposition the vacuum hose.
  3. Remove the throttle cables from the throttle body and the bracket.
  4. Remove the heater inlet pipe.
  5. Remove the fuel lines from the pipes and the vapor line.
  6. Remove the ABS hydraulic modulator/master cylinder.
  7. Remove the EGR tube.
  8. Remove exhaust crossover.
  9. Remove the transmission fluid filler tube.
  10. Remove the left side instrument panel insulator.
  11. Remove the knee bolster.
  12. Disable the SIR system. DISABLING SYSTEM (MONTANA, SILHOUETTE & VENTURE) .
    Fig 2: Brake Booster Push Rod & Pedal
    GM180291
    NOTE: When disconnecting the pushrod from the brake pedal, the brake pedal must be held stationary or damage to the brake switch may result.
  13. Remove the brake booster push rod (2) from the brake pedal (1).
  14. Remove the master cylinder/ABS modulator.
    Fig 3: Brake Booster & Mounting Components
    GM180993
  15. Remove the brake booster mounting nuts.
  16. Remove the brake booster.
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