Express 2500 V8-4.8L (2007)
Brake Proportioning/Combination Valve: Service and Repair
Combination Valve Replacement
Removal Procedure
1. Raise the vehicle and properly support it with safety stands. Refer to Vehicle Lifting.
2. Disconnect the electrical connector from the combination valve.
3. Disconnect the front and rear brake pipes from the combination valve.
4. Remove the bolt holding the combination valve to the frame.
5. Remove the combination valve.
Installation Procedure
1. Install the combination valve to the frame.