Front Steering Knuckle: Service and Repair
Wheel Knuckle
Removal and Installation
NOTICE: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure may result in major service expense. New parts must be installed with the same part numbers or equivalent part, if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure correct retention of these parts.
1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury Procedures.
Remove the wheel and tire. For additional information, refer to Wheels and Tires Removal and Replacement.
2. NOTICE: Do not allow the caliper and anchor plate to hang from the brake hose or damage to the hose may occur.
Remove the bolts and position the caliper and anchor plate assembly aside.
- Support the caliper and anchor plate assembly using mechanic's wire.
- To install, tighten to 160 Nm (118 lb-ft).
3. Remove the brake disc.
4. Pull back the rubber splash shield and disconnect the wheel speed sensor electrical connector.
5. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.
Remove the nut and detach the outer tie rod from the wheel knuckle.
- To install, tighten to 80 Nm (59 lb-ft).
6. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.
Remove and discard the stabilizer bar link upper nut.
- To install, tighten the new nut to 63 Nm (46 lb-ft).
7. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.
Remove the stabilizer link lower nut and the stabilizer bar link.
- Discard the nut.
- To install, tighten the new nut to 55 Nm (41 lb-ft).
8. Detach the wheel speed sensor wiring harness retainer from the steering knuckle.
9. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.
Remove and discard the upper ball joint nut.
- To install, tighten the new nut to 150 Nm (111 lb-ft).
10. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.
Remove the lower ball joint nut and then remove the wheel knuckle.
- Discard the nut.
- To install, tighten the new nut to 150 Nm (111 lb-ft).
11. If necessary, remove the 4 bolts and the wheel bearing and wheel hub.
- Discard the bolts.
- To install, tighten the new bolts to 120 Nm (89 lb-ft).
12. To install, reverse the removal procedure.
13. Check and, if necessary, align the front end. For additional information, refer to Suspension System - General Information Testing and Inspection.
14. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury Description and Operation.
If equipped with a fire suppression system, repower the system.