Hydraulic Control Assembly - Antilock Brakes: Service and Repair

Hydraulic Control Unit (HCU)- Vehicles Built Before 8/2003

WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately. Failure to follow these instructions may result in personal injury.

CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

1. Disconnect the battery.

Part 1 Of 2:

Part 2 Of 2:

2. Remove the parts in the order indicated in the above illustration and table.
3. To install, reverse the removal procedure.

Item 2: Anti-Lock Brake System (ABS) Module

Removal Note





1. Position the battery junction box (BJB) aside.
1. Release the clips.
2. Position the BIB aside.

Hydraulic Control Unit (HCU)- Vehicles Built After 8/2003

WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately. Failure to follow these instructions may result in personal injury.

CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

1. Disconnect the battery.

Part 1 Of 2:

Part 2 Of 2:

2. Remove the parts in the order indicated in the above illustration and table.
3. To install, reverse the removal procedure.

Item 2: Anti-Lock Brake System (ABS) Module Removal Note





1. Position the battery junction box (BJB) aside.
1. Release the clips.
2. Position the BIB aside.