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plymouth Workshop Repair Guides


PB 150 V8-318 5.2L VIN T 2-BBL (1983)

Brakes and Traction Control > Hydraulic System, Brakes > Brake Proportioning/Combination Valve > Component Information > Description and Operation > Page 2649

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Brake Proportioning/Combination Valve: Testing and Inspection

Normal Operation
A visual check will show that the valve stem extends slightly when the brakes are applied and retracts when the brakes are released.

In Case of Malfunction
In case of a hold-off valve malfunction, remove the valve and install a new combination valve assembly. 

CAUTION:  Follow correct procedure to bleed the hydraulic system on vehicles equipped with hold-off valves.

Brakes and Traction Control > Hydraulic System, Brakes > Brake Proportioning/Combination Valve > Component Information > Description and Operation > Page 2649

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