Installation Procedure
Install the power vacuum brake booster (1) and gasket (2).
- CAUTION:
Refer to Fastener Caution .
NOTE:Do not over tighten the power vacuum brake booster bolts. If the power vacuum brake booster bolts are over tightened, the brake pedal may remain applied after a high pressure brake pedal application.
Install the power vacuum brake booster bolts (1) and tighten to 19 N.m (14 lb ft).
- NOTE:
Ensure the master cylinder O-ring seal is properly seated in the groove in the master cylinder body and is not distorted.
Install the master cylinder O-ring seal (1).
Install the master cylinder (1) and the BPMV assembly.
Install new master cylinder nuts (1) and tighten to 50 N.m (37 lb ft).
- Install the BPMV assembly nuts and the front and rear brake pipe fittings. Refer to Brake Pressure Modulator Valve Replacement .
- NOTE:
A small amount of alcohol may be used as a lubricant. Do not use soap.
Install the power brake booster vacuum sensor (1) to the power vacuum brake booster.
- Connect the power vacuum brake booster vacuum sensor electrical connector.
- Install the brake fluid level indicator switch harness to the master cylinder reservoir clips, if necessary.
- Connect the brake fluid level indicator switch electrical connector.
- NOTE:
Install a new power vacuum brake booster pushrod retainer.
Install a new power vacuum brake booster pushrod retainer to the power vacuum brake booster pushrod.
- Connect the power vacuum brake booster pushrod retainer (1) to the brake pedal.
- Connect the brake pedal position sensor electrical connector. Refer to Brake Pedal Position Sensor Replacement .
- Reposition the radiator surge tank. Refer to Radiator Surge Tank Replacement (LFX, LF3) .
Ensure the power vacuum brake booster pushrod retainer is fully seated in the brake pedal arm.