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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 330 (Mechanical Brake System - Base (Service Information)) >> Hydraulic/Mechanical >> BOOSTER, Power Brake >> Removal >> Removal

BOOSTER, Power Brake: Removal: Removal

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Battery & Cables
GC0079763Courtesy of CHRYSLER LLC
NOTE: The Electronic Stability Control (ESC) may also be referred to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration. Certain components may also reference ESP, ESC, or use the traction control symbol.
  1. Move driver's seat to full rearward position.
  2. Disconnect and isolate battery negative cable (2) from battery post.
  3. Remove windshield wiper module. Refer to Electrical/Wipers/Washers/LINKAGE, Wiper Arm - Removal
  4. Remove master cylinder. See Brakes/Hydraulic/Mechanical/MASTER CYLINDER, Brake - Removal .
    Fig 2: ESP Wiring Connections At Booster And Master
    GC0079848Courtesy of CHRYSLER LLC
  5. If equipped with MK25 and Electronic Stability Control (ESC), disconnect wiring harness (6) connector at pedal travel sensor (7) on power brake booster (3).
  6. If equipped with MK25 and ESC, disconnect wiring harness (6) connector at active brake booster solenoid (4).
    Fig 3: Vacuum Hose, Check Valve & Booster
    GC0079849Courtesy of CHRYSLER LLC
  7. Disconnect vacuum hose (3) from check valve (2) on face of booster (1). Do not remove check valve from booster. 
    Fig 4: Brake Lamp Switch And Pedal Rod
    GC0079837Courtesy of CHRYSLER LLC
  8. Remove brake lamp switch. Refer to Electrical/Lamps/Lighting - Exterior/SWITCH, Stop Lamp - Removal .
  9. Remove booster push rod from pin on brake pedal. To do so:
    1. Position small screwdriver between center tang on power brake booster brake pedal pin retaining clip (3).
    2. Rotate screwdriver enough to allow retaining clip center tang to pass over end of brake pedal pin, then slide retaining clip off brake pedal pin.
    3. Discard retaining clip (3). It is not to be reused. Install NEW retaining clip when assembling. 
  10. Slide booster push rod (5) off brake pedal pin (4).
    Fig 5: Booster And Pedal Mounting
    GC0079847Courtesy of CHRYSLER LLC
  11. Remove four power brake booster mounting nuts (4).
  12. Slide power brake booster forward out of dash panel and remove through opening between cross-brace and windshield.
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