Express 1 Ton Van V8-5.7L VIN R (1999)
Brake Proportioning/Combination Valve: Service and Repair
REMOVAL PROCEDURE
IMPORTANT: Note the identification code on the valve. Have the proper code when ordering a replacement valve.
1. Raise the vehicle and properly support it with safety stands.
2. Remove the retaining bolts from the shield.
3. Remove the shield.
4. Disconnect the 2-way electrical connector from the combination valve.
5. Disconnect the front and rear brake pipes from the combination valve.
