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 OR REAR BRAKE CALIPER PRESSURE





1Z-FE engine





2Z-GE engine

When inspecting the fluid pressure, inspect the left font and right rear together, and the right front and left rear together.
If the rear fluid pressure is incorrect, replace the P valve assembly.
4. BLEED BRAKE SYSTEM
5. CHECK FOR LEAKS