Note: Removal and installation of ACM from the front is carried out in the same way as on 2WD models. The following describes the removal and installation of the ACM from the rear.
Removing
Description of works
Slide the steering rack, unscrew the bottom mounting bolts, remove the bracket, then disconnect the ACM.
1. Remove the engine protection from the bottom and the front exhaust pipe.
2. Remove the center beam as described below.
(1) Detach the connecting wires from the front and back.
(2) Detach the front side ACM connecting wire from the beam.
(3) Loosen the three bottom ACM mounting nuts on the front side. Do not remove the front side ACM.
(4) Support the engine oil pan with a jack and unscrew the fixing bolts of the central beam.
(5) Raise the engine with a jack so that there is free space between the anti-roll bar and the transfer case. Remove the center beam.
3. Move the steering rack to the position shown below and remove the following parts.
(1) Remove fasteners (A) slats.
(2) Remove bracket (IN) power steering high pressure pipes. The bracket is fixed on the section of the right fastening of the rail.
(3) Disconnect tips (WITH) steering rods on the right and left.
(4) Remove the bottom hinge (D) steering column.
Before removal, apply alignment marks for subsequent installation.
4. Press the rail forward, unscrew the two bottom ACM nuts from the rear.
Caution: Be careful not to damage the steering tubes.
5. Push the rail back and unscrew the third bottom nut (anterior).
6. Remove the connecting wire from the suspension beam and damper.
7. Disconnect rear side ACM wiring connectors as described below.
(1) Disconnect the three wiring connectors from the bracket and remove the bracket.
(2) Remove the connectors and wiring harness from the bracket.
Works from above
8. Remove the air duct, air cleaner housing, battery and intercooler. Then disconnect the automatic transmission control cable from the transmission and move to the side.
9. Remove the 2 fixing nuts on top of the ACM.
10. Remove 4 aluminum bracket bolts.
Attention: Before unscrewing the bolts, support the transfer box with a jack.
11. Remove the ACM bracket from the gearbox side.
Remove the aluminum and steel bracket assembly.
12. Remove the ACM from the transmission side.
Attention:
Do not drop the ACM or subject it to impact. If this happens, replace the ACM.
Do not damage the connector and wiring.
Hold the ACM by the body, not by the wiring or connector.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
Install the ACM, paying attention to the R4 mark on the right side.
Do not touch the steering and brake tubes while tightening the bolts and nuts.
Firmly install and secure the wiring and connectors, see section «Withdrawal».
Attention:
Be careful not to damage the wiring and connectors when installing on a bracket or center beam.
After installation, adjust the vibration level.