Brake Proportioning/Combination Valve: Testing and Inspection

ON-VEHICLE INSPECTION





1. INSTALL LSPV GAUGE (SST) AND BLEED AIR
SST 09709-29018
2. BLEED AIR FROM FLUID PRESSURE GAUGE





3. RAISE MASTER CYLINDER PRESSURE AND CHECK REAR WHEEL CYLINDER PRESSURE
When inspecting the fluid pressure, inspect the left front and right rear together, and the right front and let rear together.
If the rear fluid pressure is incorrect, replace the P valve assembly.
4. REMOVE LSPV GAUGE (SST)
SST 09709-29018
5. BLEED BRAKE SYSTEM
6. CHECK FOR LEAKS