Villager V6-181 3.0L SOHC VIN 1 EFI (1997)
Brake Proportioning/Combination Valve: Testing and Inspection
1. Check the length of the spring on the brake load sensor proportioning valve. Adjust if necessary.
2. Remove the wheel cylinder bleeder screws from either the right disc brake caliper and left rear wheel cylinder or from the left disc brake caliper
and right rear wheel cylinder.
Proportioning Valve, Brake Load Sensor Test Gauge Setting
3. Connect Proportioning Valve Test Gauge Set T95C-20215-AH to the disc brake caliper and to the rear wheel cylinder as shown using Brake Test
Fitting Set T93P-20215-A.
4. Bleed the air from the pressure gauges.
5. Press the brake pedal until the front brake fluid pressure is 5884 kPa (853 psi). Hold the brake pedal in that position and read the rear brake fluid
pressure.
a. The rear brake fluid pressure is within specification if it is 3296-5688 kPa (478-825 psi).
b. If the rear brake fluid pressure is not within specification, replace the brake load sensor proportioning valve.
6. Press the brake pedal until the front brake fluid pressure is 11770 kPa (1707 psi). Hold the brake pedal in that position and read the rear brake
fluid pressure.
a. The rear brake fluid pressure is within specification if it is 5613-7336 kPa (814-1064 psi).
b. If the rear brake fluid is not within specification, replace the brake load sensor proportioning valve.
