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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Base Brakes (Service Information) >> Hydraulic/Mechanical >> Booster, Power Brake >> Removal

Booster, Power Brake: Removal

  1. Move driver's seat to full rearward position.
    CAUTION:

    Vacuum in power brake booster must be pumped down (removed) before removing master cylinder from power brake booster. This is necessary to prevent power brake booster from sucking in any contamination as master cylinder is removed. This can be done simply by pumping brake pedal, with vehicle's engine not running, until a firm feeling brake pedal is achieved.

  2. With engine not running, pump brake pedal until a firm pedal is achieved (4-5 strokes).
  3. Remove the left headlamp assembly. Refer to UNIT, FRONT LAMP, REMOVAL .
    GC0160586Courtesy of CHRYSLER GROUP, LLC
  4. Disconnect the brake switch electrical connector (4).
  5. Remove nuts (5) and master cylinder from the booster (8).
    NOTE:

    For clearance on booster removal, disconnect the brake tubes at the ICU.

  6. Remove the vacuum hose check valve (7) from the face of booster. Do not remove check valve from booster. 
  7. Remove the engine coolant reservoir bottle from the mounting bracket.
  8. Disconnect the wiring connector at the stop lamp switch.
  9. Remove the stop lamp switch. Refer to SWITCH, STOP LAMP, REMOVAL .
    GC0155758Courtesy of CHRYSLER GROUP, LLC
  10. Disengage clips (1) on booster rod keeper assembly retainer (2). Position retainer (2) up to remove booster rod from pedal assembly.
    GC0124443Courtesy of CHRYSLER GROUP, LLC
  11. Remove four power brake booster mounting nuts (3).
  12. Slide power brake booster (2) forward and remove through engine compartment.
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