03 peterbilt 379
Old Werner truck.why is my cab and sleeper dropping.
And takes so long to air up.
Even when guage showed 120PSI+.
Cab/Sleeper
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BRD TRANSPORT, Apr 13, 2024.
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BRD TRANSPORT, Apr 13, 2024.