Hydraulic Control Assembly - Antilock Brakes: Service and Repair

HCU (HYDRAULIC CONTROL UNIT)

REMOVAL
1. Remove the negative battery cable from the battery.
2. Remove the air cleaner housing.





3. Pull the CAB harness connector release up and remove connector.
4. Remove the brake lines from the HCU.





5. Remove the HCU/CAB side mounting bolt and the two rear mounting bolts..
6. Remove the HCU/CAB assembly from the vehicle.

INSTALLATION
1. Install HCU/CAB assembly into the mounting bracket and tighten mounting bolts to 12 Nm (9 ft. lbs.).
2. Install the brake lines to the HCU and tighten to 16 Nm (12 ft. lbs.).
3. Install CAB harness connector and push down connector release.
4. Install air cleaner housing.
5. Install negative battery cable to the battery.
6. Bleed base and ABS brake systems.