Hombre S Regular Cab 4WD V6-4.3L (1999)
Brake Proportioning/Combination Valve: Service and Repair
Combination Valve Replacement
Removal Procedure
Important: Prior to replacement of the combination valve, note the identification code on the valve. Obtain the proper code is necessary when
replacing the valve.
1. Remove the combination valve electrical connector (10).
2. Remove the front and rear brake pipes.
3. Remove three Allen bolts (11) securing combination valve (12) to the BPMV (4).
4. Remove the combination valve from the BPMV.
Important: Do not reuse the transfer tubes (13). Always install new transfer tubes with a new combination valve.
Important: Verify that the replacement combination valve has the same pin punched identification code as the code found on the old
part.
5. Remove two transfer tubes (13).
Installation Procedure
1. Install two new transfer tubes (13) into the combination valve (12) until fully seated
2. Install combination valve (12) to BPMV (4).
3. Install three combination valve Allen bolts (11).
Tighten
Tighten bolts first to 8 N.m (6 lb ft), then to 16 N.m (12 lb ft).
4. Install the front and rear brake pipes to the combination valve.
