Sierra 3500 Denali 2WD V8-6.0L (2011)
Brake Proportioning/Combination Valve: Service and Repair
Brake Combination Valve Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Disconnect the electrical connector from the combination valve.
3. Disconnect the front and rear brake pipes from the combination valve.
4. Remove the combination valve bolt.
5. Remove the combination valve.
Installation Procedure
1. Install the combination valve to the frame.
