Parking Brake Cable: Adjustments
Parking Brake Cable Adjustment1. Release the parking brake control, using the parking brake release handle.
2. WARNING: Shut off the electrical power to the air suspension system prior to hoisting or jacking an air suspension equipped vehicle. Failure to do so may result in unexpected inflation or deflation of the air springs, which may result in shifting of the vehicle during these operations. Failure to follow this instruction may result in serious personal injury.
If equipped, turn the air suspension service switch to the OFF position.
3. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury.
With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
4. Pull the parking brake cable adjuster clip downward. The tensioner spring will take up the cable slack and preload the cables.
5. Push upward on the bottom of the clip to lock the adjustment. If the clip does not slide upward, move the assembly slightly to align the closest groove on the parking brake cable adjuster rod with the clip.
6. NOTE: If new cables are installed, allow 20 minutes prior to releasing the parking brake control.
Apply the parking brake control fully and release using the parking brake release handle.
7. Repeat Steps 4 and 5 to complete the adjustment procedure.
8. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury.
If equipped with fire suppression system, repower the system.
9. If equipped, turn the air suspension system to the ON position.