Assembly (SC 430)
- Place booster pump with a cloth under it in vise.
- Install brake booster accumulator pipe, compression spring and NEW O-ring. Ensure no foreign matter enters pump.
- Using special tool (09318-12010), install accumulator. Tighten to specification. See TORQUE SPECIFICATIONS .
- Using hexagon wrench, install brake booster pump No. 2 bracket and 2 bolts. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install shaft, collars, bushes and washers. Install brake booster pump bracket No. 1 with bolt and tighten to specification. See TORQUE SPECIFICATIONS .
- Install brake booster with accumulator pump assembly.
- Using hexagon wrench, install brake booster pump bracket No. 1 and brake booster pump bracket No. 2 with bolt. Tighten to specification. See TORQUE SPECIFICATIONS .
- Using hexagon wrench, install brake booster pump bracket No. 3 with bolts. When installing brake booster bracket, measure clearances "A", "B", "D" and "E". See Figure. Ensure clearances correspond to each value in Figure. Using a thickness gauge, ensure that "C" range is .004-.016" (.1-.4 mm). See Figure. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install a new brake control wire with screws. Tighten master cylinder side and booster pump side to their respective specifications. See TORQUE SPECIFICATIONS . Connect wire harness clamp.
- Install NEW gaskets and union No. 1 with union bolt. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install NEW gaskets and union No. 2 with union bolt. Tighten to specification. See TORQUE SPECIFICATIONS .
- Install brake actuator hose and clips.
- Using special tool (09023-00100), install brake actuator No. 1 tube. Tighten to specification. See TORQUE SPECIFICATIONS .
- Using hexagon wrench, install brake actuator No. 1 bracket with bolt. Tighten to specification. See TORQUE SPECIFICATIONS .
- Using hexagon wrench, install brake actuator No. 3 bracket with bolt. Tighten to specification. See TORQUE SPECIFICATIONS .
- Connect level warning switch connector to brake actuator No. 3 bracket.
- Apply lithium soap base glycol grease to new brake booster piston and plug. Install piston and brake booster plug. Press in brake booster plug, and install a NEW snap ring.
- Apply lithium soap base glycol grease to NEW grommets and install to reservoir assembly.
- Install master cylinder reservoir assembly with screws and tighten to specification. See TORQUE SPECIFICATIONS .
- Install brake master cylinder reservoir filler cap assembly and master cylinder boot.
- Install lock nut and master cylinder push rod clevis.
- Install NEW brake booster gasket to master cylinder and install brake master cylinder. See MASTER CYLINDER under REMOVAL & INSTALLATION.