Mechanical Brake System - Base (Service Information): Valve-Proportioning: Removal

NOTE: Before proceeding, (Refer to BRAKES - WARNING) (Refer to BRAKES - CAUTION)  .

Fig 1: Brake Pedal Holder

Courtesy of DAIMLERCHRYSLER CORP.

1. Using a brake pedal holder, depress the brake pedal past its first one inch (25 mm) of travel and hold it in this position. This will isolate the master cylinder from the brake hydraulic system and will not allow the brake fluid to drain out of the master cylinder reservoir.
   Fig 2: Locating Proportioning Valve And Brake Tubes At Master Cylinder

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - RIGHT FRONT BRAKE TUBE

   2 - PROPORTIONING VALVES

   3 - LEFT FRONT BRAKE TUBE

   4 - LEFT REAR BRAKE TUBE

   5 - RIGHT REAR BRAKE TUBE

   NOTE: To access the lower (left rear) proportioning valve, it may help to remove the air cleaner cover and hose to the throttle body.
2. Disconnect the brake tube (4 or 5) from the proportioning valve requiring removal.
   Fig 3: Proportioning Valves

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - PROPORTIONING VALVE IN SECONDARY PORT

   2 - MASTER CYLINDER

   3 - PROPORTIONING VALVE IN PRIMARY PORT

3. Unscrew the proportioning valve (1 or 3) from the master cylinder (2).