Brake Proportioning/Combination Valve: Testing and Inspection

ON-VEHICLE INSPECTION

Fluid Pressure Inspection Of Proportioning And By-Pass Valve (P & B Valve):

1. INSTALL LSPV GAUGE (SST) AND BLEED AIR
SST 09709 - 29018





2. RAISE FRONT BRAKE CALIPER PRESSURE AND CHECK REAR BRAKE CALIPER PRESSURE
If the rear brake caliper pressure is incorrect, replace the master cylinder.
3. REMOVE LSPV GAUGE (SST)
4. BLEED BRAKE SYSTEM
5. CHECK FOR FLUID LEAKAGE