Diesel Engine
- Install the ICU with bracket into the engine compartment from underneath through the opening between the axle half shaft and the steering gear heat shield. Set the ICU upright on top of the crossmember and support as necessary
- Install the belly pan below the engine.
- Lower the vehicle.
- Lift the ICU (1) from the crossmember, then place the ICU's mounting bracket over the mounting screws (2) and hang the assembly in place.
- Tighten the two mounting screws (2) attaching the ICU (1) mounting bracket to the body. Tighten the mounting screws to 23 N.m (17 ft. lbs.).
1 - ABM (PART OF ICU) 2 - WIRING HARNESS CONNECTOR CAUTION: Before installing the ABM harness connector on the ABM, be sure the seal is properly installed in the connector. - Insert the ABM wiring harness connector (2) into the socket of the ABM (1) and close the cover, locking the connector in place.
CAUTION: The brake tubes must be routed to the correct ports. Improper routing can lead to degraded or undesirable system performance including external brake fluid leaks.
- (1) Master Cylinder Secondary
- (2) Front Left
- (3) Front Right
- (4) Master Cylinder Primary
- (5) Rear Left
- (6) Rear Right
- Install the four chassis brake tubes (2, 3, 5, 6) at the ICU hydraulic control unit (7). Tighten the tube nuts to 17 N.m (150 in. lbs.).
- Install the primary (4) and secondary (1) brake tubes at the ICU hydraulic control unit (7). Tighten the tube nuts to 17 N.m (150 in. lbs.).
- Push the brake tube bundle routing clips (with tubes) onto the studs on the dash panel.
- Install the air inlet tubing leading from the air cleaner to the turbocharger.
- Install the engine appearance cover.
- Remove brake pedal holding tool.
- Connect the battery negative cable to the battery post. It is important that this be performed properly. Refer to Electrical - Engine Systems/Battery System - Standard Procedure
- Hook up the scan tool to initialize the ABM and perform the following:
- Clear any faults.
- Fill the master cylinder to the proper fill level and bleed the base and ABS hydraulic systems. See BASE BRAKE BLEEDING and Brakes - Standard Procedure .
- Perform the ABS Verification Test and road test the vehicle.