Rear Knuckle: Service and Repair

Knuckle Replacement

Special Tools

J 37043 - Park Brake Cable Release Tool

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.

2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation Service and Repair.




3. Disconnect the rear park brake cable from the park brake actuator.

4. Using the J 37043 - park brake cable release tool, remove the park brake cable from the mounting bracket

Caution:
Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

5. Remove the brake caliper and bracket as an assembly and support it with heavy mechanics wire or equivalent. Refer to Rear Brake Caliper Bracket Replacement Rear Brake Caliper Bracket Replacement.

6. Remove the wheel bearing/hub assembly. Refer to Rear Wheel Bearing and Hub Replacement Rear Suspension.




7. Remove the upper control arm to knuckle bolt and nut.




8. Remove the lower control arm to knuckle bolt and nut.




9. Remove the toe link to knuckle bolt and nut.




10. Remove the 3 trailing arm to knuckle bolts.

11. Remove the knuckle from the vehicle.

Installation Procedure




1. Install the knuckle to the lower control arm. Loosely install the bolt and nut.




2. Install the knuckle to the upper control arm. Loosely install the bolt and nut.




3. Install the knuckle to the toe link. Loosely install the bolt and nut.




4. Apply an approved threadlocker the knuckle bolts.

5. Install the 3 trailing arm to knuckle bolts and hand tighten the bolts and nuts.

Caution: Refer to Fastener Caution Fastener Caution.

6. Tighten the bolts and nuts in the following sequence:

* Tighten the knuckle to lower control arm bolt and nut to 160 Nm (118 lb ft).

* Tighten the knuckle to upper control arm bolt and nut to 160 Nm (118 lb ft).

* Tighten the knuckle to toe link bolt and nut to 160 Nm (118 lb ft).

* Tighten the 3 trailing arm to knuckle bolts to 150 Nm (110 lb ft).

7. Install the wheel bearing/hub assembly. Refer to Rear Wheel Bearing and Hub Replacement Rear Suspension.

Caution:
Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

8. Remove the supporting wire and position the brake caliper and bracket assemblies back onto the knuckles. Refer to Rear Brake Caliper Bracket Replacement Rear Brake Caliper Bracket Replacement.




9. Connect the rear park brake cable through the mounting bracket and onto the park brake actuator.

10. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation Service and Repair.

11. Lower the vehicle.

12. Perform a vehicle wheel alignment. Refer to Wheel Alignment Measurement Wheel Alignment Measurement.