Brake

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

~1min read
1special tools

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

INSTALL LSPV GAUGE (SST) AND BLEED AIR

(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.

RAISE FRONT BRAKE CALIPER PRESSURE AND CHECK REAR BRAKE CALIPER 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

Test yourself

A quick Toyota Land Cruiser quiz: every answer comes with an explanation and a link to the manual page.