2017 Freightliner M2-106 straight truck 115k miles.
What would cause air pressure loose in the Secondary System after the truck is turned off ?
The truck looses as much as 50psi in the Seconday system after being turned off for about 1/2 hour ?
The truck brakes fine now, but drops pressure if you pump the brakes a couple times while sitting still.
I need to be able to explain to my Manager why it needs to go to the shop. He's not mechanically inclined.
What would cause air pressure loss in the Secondary System....... ?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by SilverBulletBand, Dec 8, 2021.
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SilverBulletBand Thanks this.
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