Integrated Control Unit (ICU) - Removal

2.7L/3.5L ENGINE

NOTE: Before proceeding, Brakes - Caution.

1. Disconnect and isolate battery negative cable from battery post.




2. Using a brake pedal holding tool as shown, depress the brake pedal past its first 25 mm (1 inch) of travel and hold it in this position. This will isolate the master cylinder from the brake hydraulic system and will not allow the brake fluid to drain out of the master cylinder reservoir while the lines are disconnected.
3. Remove the engine appearance cover.
4. Remove the engine upper intake manifold. Intake Manifold - Removal




5. Remove the primary (4) and secondary (1) brake tubes (from master cylinder) at the hydraulic control unit (7).
6. Remove the remaining brake tubes (2, 3, 5, 6) at the hydraulic control unit (7).
7. Pull the brake tube bundle routing clip (with tubes) loose from the stud on the right side of the dash panel.




NOTE: Use this figure in the following step to release the ABM harness connector cover. It shows the location of the release tabs.





8. Disconnect the ABM harness connector from the Antilock Brake Module (ABM). To do so:
a. Depress the tabs on each side of the connector cover, then
b. Pull outward and upward on the lower half of the cover until it locks into position pointing straight outward (2). The connector can then be pulled straight outward off the ABM (1).




9. Loosen, but do not remove, the two mounting screws (2) attaching the ICU (1) mounting bracket to the body.
10. Lift the ICU and mounting bracket (1) off the mounting screws (2).




11. Move the brake tubes around as necessary without bending them and remove the ICU with bracket (1) through the opening above the rear cylinder head cover (2).
12. To separate the ABM from the HCU, Disassembly.