Brake Proportioning/Combination Valve: Service and Repair
REMOVE1. Raise the vehicle on jack stands or centered on a hoist.
2. Clean any debris away from the proportioning valve, connections, and area.
Proportioning Valve:
3. Remove the chassis brake tube from the proportioning valve.
4. Remove the proportioning valve from the rear flex hose which is held stationary by a bracket mounted on the back side of the crossmember.
INSTALL
1. Install the proportioning valve to the rear brake flex hose. Tighten to a torque of 17 Nm (145 inch lbs.).
2. Install the chassis brake tube to the proportioning valve. Tighten the tube nut to a torque of 17 Nm (145 inch lbs.).
3. Bleed the affected brake line.
4. Lower the vehicle to the ground.