Rear Knuckle: Service and Repair
Wheel Knuckle
This is a "Trustmark Authoring Standards (TAS) Repair Procedure"
- TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips.
- TAS removal and installation procedures use a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component.
- Many of the TAS procedures will have the installation information within the removal steps.
- The TAS color illustrations use a variety of symbols to indicate important details of the procedures. It is important to understand these symbols in order to properly used the TAS procedures.
Refer to How to Use TAS Procedures and TAS Symbol Glossary at Vehicle | Description and Operation for additional information on these TAS procedures.
For additional information, refer to How to Use TAS Procedures How to Use TAS Procedures
Removal
WARNING: Make sure to support the vehicle with axle stands.
1 Raise and support the vehicle.
2 Remove the wheel and tire.
For additional information, refer to Wheel and Tire Service and Repair
CAUTION: Do not use a hammer to detach the halfshaft from the hub assembly, failure to follow this instruction may result in damage to the halfshaft.
3 Remove and discard the rear halfshaft nut.
CAUTION: Discard the nut.
NOTE:
RH illustration shown, LH is similar.
4 Release the wheel speed sensor from the wheel knuckle.
CAUTION: Make sure that no load is placed on the brake hose.
Tie the brake caliper and brake caliper anchor plate assembly aside.
Release the park brake shoe adjustment.
5 Remove the brake disc.
Release the parking brake cable from the wheel knuckle.
Collect the clip.
CAUTION: Do not allow halfshafts to hang unsupported at one end or joint damage will occur.
CAUTION: Do not store or install halfshafts with joints at maximum articulation or damage may occur to the joint.
CAUTION: Angularly Adjusted Roller (AAR) joints, used at the inboard end of some halfshafts have no internal retaining mechanism and can separate.
Release the rear halfshaft.
Special Service Tool
Remover, Halfshaft, 205-857
Tie the rear halfshaft aside.
6 Remove and discard the wheel knuckle clamping bolt.
7 With assistance, remove the wheel knuckle assembly.
Special Service Tool
Lever, Wheel Knuckle, 204-159
NOTE:
Do not disassemble further if the component is removed for access only.
NOTE:
Bearing damage is unavoidable during this operation.
Position the wheel knuckle assembly in a press and support on special tool.
Special Service Tool
Remover, Wheel Hub/Bearing, 205-802/5
Press the drive flange out of the wheel knuckle assembly using special tool.
Special Service Tool
Remover/Installer, Wheel Hub, 205-725
NOTE:
The inner bearing track will remain on the drive flange.
Clamp both halves of a suitable bearing separator around the inner bearing track and position the drive flange in a press.
Using the special tool, press the drive flange from the inner bearing track.
Special Service Tool
Remover/Installer, Wheel Hub, 205-725
8 Remove the circlip from the wheel knuckle assembly.
Position the wheel knuckle assembly in a press and support on special tools.
Special Service Tool
Remover/Installer, Wheel Hub, 205-728
Press the wheel bearing out of the wheel knuckle assembly using special tool.
Special Service Tool
Remover/Installer, Wheel Hub Bearing, 205-726
9 Remove the brake backing plate.
CAUTION: Mark the components to aid installation.
10 Remove the wheel knuckle bushing.
Special Service Tool
Hydraulic Cylinder 10t, LR-121
Special Service Tool
Remover/Installer, Wheel Knuckle Bushing, 204-620-02
Special Service Tool
Remover, Wheel Knuckle Bushing, 204-620-03
Installation
CAUTION: Make sure that the installation marks are aligned.
CAUTION: Make sure the correct special tool is used to install the bushings to the correct depth.
1 Install the wheel knuckle bushing.
Special Service Tool
Hydraulic Cylinder 10t, LR-121
Special Service Tool
Installer, Wheel Knuckle Bushing, 204-620-01
Special Service Tool
Remover/Installer, Wheel Knuckle Bushing, 204-620-02
2 Install the brake backing plate.
CAUTION: One side of the bearing is magnetic. The magnetic side is identifiable by the application of a matte black finish. The magnetic side must face towards the inboard side of the vehicle. Before fitting the bearing, make sure the magnetic face is clean. The bearing must be handled with extreme care.
Position the wheel knuckle assembly in a press and support on special tool.
Special Service Tool
Remover/Installer, Bushing, 204-528/2
Press the new wheel bearing into the wheel knuckle assembly using special tool.
Special Service Tool
Remover/Installer, Wheel Hub Bearing, 205-726
3 Install the circlip to the wheel knuckle assembly.
Position the wheel knuckle assembly in a press and support on special tool.
Special Service Tool
Remover/Installer, Wheel Hub Bearing, 205-726
Press the drive flange into the wheel knuckle assembly using special tool.
Special Service Tool
Remover/Installer, Wheel Hub, 205-725
WARNING: Do not use compressed air to clean brake components. Dust from friction materials can be harmful if inhaled.
4 Clean the backing plate and apply grease to the brake shoe contacts.
5 Clean the adjuster and set it to its minimum extension.
Install the secondary brake shoe.
Install the hold-down spring and retaining pin.
WARNING: Make sure the return spring and the adjuster spring are correctly installed to the primary shoe.
CAUTION: Make sure the brake shoe spring is not over stretched.
Install the spreader plate and the spring.
Install the primary brake shoe.
Install the return spring.
Install the hold-down spring and retaining pin.
CAUTION: Make sure the brake shoe spring is not over stretched.
6 Install the brake shoe adjuster.
7 With assistance, install the wheel knuckle assembly.
Special Service Tool
Lever, Wheel Knuckle, 204-159
8 Install a new wheel knuckle clamping bolt.
Torque to: 110 Nm
9 Install the rear halfshaft to the drive flange.
CAUTION: Only tighten the nut finger tight at this stage.
10 Install a new rear halfshaft nut, do not fully tighten at this stage.
CAUTION: Only tighten the nuts and bolts finger tight at this stage.
11 Connect both lower arms to the hub assembly, do not fully tighten at this stage.
CAUTION: Only tighten the nut and bolt finger-tight at this stage.
12 Connect the trailing arm to the hub assembly, do not fully tighten at this stage.
CAUTION: Make sure that the clip is correctly located.
Connect the parking brake cable.
Secure the parking brake cable.
CAUTION: Make sure that the mating faces are clean and free of foreign material.
13 Install the brake disc.
Torque to: 35 Nm
CAUTION: Make sure that the mating faces are clean and free of foreign material.
CAUTION: Make sure that the brake hose is not twisted and is correctly located.
14 Secure the brake caliper and anchor plate to the wheel knuckle.
Torque to: 110 Nm
15 Install the rear wheel speed sensor to the wheel knuckle.
Torque to: 5 Nm
16 Install the brake line and wheel speed sensor brackets.
Torque to: 10 Nm
WARNING: Make sure that a new nut is installed.
17 Secure the stabilizer bar link.
Torque to: 60 Nm
18 Support the weight of the vehicle using a jack under the rear hub.
CAUTION: Nuts and bolts must be tightened with the weight of the vehicle on the suspension.
CAUTION: Do not use air tools to install the nut. Failure to follow this instruction may result in damage to the component.
Tighten both lower arm nuts and bolts.
Torque to: 175 Nm
Tighten the trailing arm nut and bolt.
Torque to: 270 Nm
Tighten the rear halfshaft nut.
Step 1: 330 Nm
Step 2: 30 degree
Stake the hub nut.
19 Adjust the parking brake.
For additional information, refer to Parking Brake Cable Adjustment Adjustments
20 Install the wheel and tire.
For additional information, refer to Wheel and Tire Service and Repair