Sportage 4WD 2Dr L4-2.0L (2002)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Removal
1. Turn ignition "OFF".
2. Disconnect ECU connectors from ECU assembly.
CAUTION: Do not apply a 12 volt power source to any terminal of the ECU connector when disconnected.
3. Mark the brake pipes going into and out of the HCU with tags so reinstallation of the brake lines will be correct.
CAUTION: Before removing the brake pipes from HCU, the HCU must be thoroughly cleaned to prevent dirt particles from falling into the ports
of HCU or entering the brake pipes.
4. Remove the brake pipes from the HCU.
5. Remove the bolts attaching the HECU bracket to the fender.
6. Remove HECU and bracket from vehicle.
7. Remove the mounting pin and grommet attaching the HECU to the bracket and remove HECU from bracket.
8. Remove the bolts securing the ECU to the HCU and lift the ECU carefully off the HCU.
9. Verify that the seal on the ECU is free from nicks or cracking.
Replacement
1. Carefully replace ECU on the replacement HCU.
2. Torque the ECU bolts in the following two steps:
A Start all bolts into the HCU and hand tighten.
B Torque in the sequence shown until a final achieved for each bolt.
Tightening torque: 1.3 - 1.4 ft. lbs. (1.7 - 1.9 Nm, 0.18 - 0.2 kg-m)
3. Reattach bracket to the HECU mounting pin and grommet.
Tightening torque: 5.8 - 7.2 ft. lbs. (7.8 - 9.8 Nm, 0.8 - 1.0 kg-m)
4. Reattach bracket to the HECU mounting pin and grommet.
Tightening torque: 9.4 - 15.9 ft. lbs. (12.8 - 21.6 Nm, 1.3 - 2.2 kg-m)
Notice: When installing the brake pipe lines on the HCU valve block, they must be located correctly in the valve block to ensure proper ABS
operation.
