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Brake Proportioning/Combination Valve: Service and Repair
Proportioning valves should never be disassembled.
1.
Remove Hydraulic Control Unit
(HCU) as described under
Hydraulic Control Unit Replacement.
Fig 70 Proportioning Valve Replacement:
2.
Remove required valve from HCU.
3.
Reverse procedure to install.
Torque proportioning valve to
106 inch lbs.