What kind of brake control valves does Freightliner use?

USED DASH BRAKE CONTROL VALVES ASSEMBLY FOR 2007 FREIGHTLINER FLD. 2001 FTL FLD1220 // S-Cam Tube off Rear Rear Axle // Tube Length 10.5″ CLUTCH, BRAKE AND ACCELERATER PEDAL ASSEMBLY.

What is the quick relay valve on a Freightliner?

Please try again later. This is the rear quick relay valve that controls the rear service brakes. There is a modulator valve on each side of the quick relay valve. The exhaust of the quick relay valve was leaking air and ended up having to be replaced. Loading…

What causes air leak in front brake relay?

Air Leak at Exhaust Port of Relay in Front Axle System with Service Brakes Released Problem #4 Air Leak in Parking System Relay Problem #5 Air Leak at Exhaust Port of Quick Release Valve in Rear Axle Tractor with Service and Parking Brakes Released

Why is the ABS combo brake valve leaking air?

ABS Combo brake valve is leaking off air when the tractor brakes are released. He has already replaced the small valve…I believe it’s the Quick Release Valve (QR1). This did not fix the problem. Any help would be greatly appreciated. Every month 400 people find a job with the help of TruckersReport. When Did You Graduate CDL School?

What to do when your air brake is leaking?

If a spring brake is leaking from the the spring brake to the service brake side, that air will travel back up the service line and out the exhaust of the next valve back. Before replacing a valve that has air leaking from its exhaust, disconnect the delivery lines from that valve to determine if air is being fed back from some other valve or unit.

What kind of brake control valves does Freightliner use?