Have both valves leaking when I release tractor brakes. When I push on the brake pedal it stops. I’ve loosened up all the service lines on the brake chambers, they’re not pushing any air into the service line. I then changed abs valve, nothing. Now changed dash valve and again, nothing. What else can I look at?
Peterbilt ABS and dash valve leaking.
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by jriol94, Dec 15, 2021.
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