Combination Valve: Removal
- Prior to replacement of the combination valve, note the identification code on the valve. It is necessary to have the proper code when replacing the valve.
- Remove the combination valve electrical connector.
- Remove the front and rear brake pipes.
- Remove 3 Allen bolts securing combination valve to the Brake Pressure Modulator Valve (BPMV). See Fig 1 .
- Remove the combination valve from the BPMV.
- Remove 2 transfer tubes.