I got kenworth t600 2007, it dumps all air from airbags while parked, comes down to 60 psi, and stays right there for long period. air stays good if truck is running , no leakage while running, i changed levelling valve still same.
What can be the cause ?
Kenworth t600 dump all air while parked
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Garry Sahota, Jul 16, 2020.
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