
Parking Brake Does Not Engage in Park
I am working on a '19 Freightliner M2 with an Allison 1000/2000. When working properly, when you put the gear selector in "PB", the PP1 valve is supposed to get air supplied to the back and automatically engage parking brakes. Coincidentally, the solenoid that... Login to read more. ![]()
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VIN | 1FVACWFC6K |
Engine | 6.7 L |
Vehicle Data
2019 Freightliner M2 106 6.7L
VIN | 1FVACWFC6K |
Engine | 6.7 L |