Toyota Land Cruiser

 Service Manual

Brake
Proportioning and By-pass valve (P & B valve)

ON-VEHICLE INSPECTION

1. INSTALL LSPV GAUGE (SST) AND BLEED AIR

(a) Turn the ignition switch OFF, depress the brake pedal more than 40 times.

(b) Install the LSPV gauge (SST) and bleed air.

SST 09709-29018

(c) Turn the ignition switch ON, and wait until the pump motor has stopped.

2. RAISE FRONT BRAKE CALIPER PRESSURE AND CHECK REAR BRAKE CALIPER PRESSURE

Depress the brake pedal and check fluid pressure.

If the rear brake caliper pressure is incorrect, replace the hydraulic brake booster.

3. REMOVE LSPV GAUGE (SST) AND BLEED BRAKE SYSTEM ( BR-4 )

4. CHECK FOR FLUID LEAKAGE

Brake fluid

Brake pedal

Brake system

Front brake caliper

Front brake pad

Front speed sensor

Hydraulic brake booster

Proportioning and By-pass valve (P & B valve)

Parking brake

Parking brake lever

Rear brake caliper

Disassembly

Rear brake pad

Rear speed sensor

Troubleshooting