Front Steering Knuckle: Service and Repair

STEERING KNUCKLE

COMPONENTS:

ON-VEHICLE INSPECTION
1. INSPECT STEERING KNUCKLE BALL JOINT RATTLE
(a) Jack up the vehicle.





(b) Move the front No. 2 suspension lower arm up and down by hand, and check for rattle.
OK: No rattle.

REMOVAL

HINT:
^ Use the same procedures for the RH side and LH side.
^ The procedures listed below are for the LH side.

1. REMOVE FRONT WHEEL
2. DISCONNECT SPEED SENSOR CONNECTOR LH
3. DISCONNECT FRONT DISC BRAKE CALIPER ASSEMBLY LH
4. REMOVE FRONT DISC
5. REMOVE FRONT DISC BRAKE DUST COVER LH
6. DISCONNECT TIE ROD ASSEMBLY LH
7. DISCONNECT FRONT NO. 1 SUSPENSION LOWER ARM ASSEMBLY LH
8. DISCONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH
9. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
10. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH
11. DISCONNECT FRONT NO. 2 SUSPENSION LOWER ARM ASSEMBLY LH
12. REMOVE STEERING KNUCKLE SUB-ASSEMBLY LH
13. REMOVE FRONT AXLE HUB SUB-ASSEMBLY LH

INSPECTION





1. INSPECT STEERING KNUCKLE SUB-ASSEMBLY LH
(a) Temporarily install the nut, and flip the ball joint stud back and forth 5 times as shown in the illustration.
(b) Use a torque wrench to turn the nut continuously at a rate of 3 to 5 seconds per turn. Take the torque reading on the fifth turn.
Standard turning torque: 0.5 to 6.0 N*m (5 to 61 kgf*cm, 4 to 53 in.*lbf)
If the value is not within the specified range, replace the steering knuckle with a new one.
(c) Check the dust boot for cracks or grease leakage.

INSTALLATION

HINT:
^ Use the same procedures for the RH side and LH side.
^ The procedures listed below are for the LH side.
^ A bolt without a torque specification is shown in the standard bolt chart.

1. INSTALL FRONT AXLE HUB SUB-ASSEMBLY LH
2. INSTALL STEERING KNUCKLE SUB-ASSEMBLY LH
3. CONNECT FRONT NO. 2 SUSPENSION LOWER ARM ASSEMBLY LH
4. CONNECT FRONT SHOCK ABSORBER ASSEMBLY LH
5. INSTALL FRONT STABILIZER LINK ASSEMBLY LH
6. CONNECT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH
7. CONNECT FRONT NO. 1 SUSPENSION LOWER ARM ASSEMBLY LH
8. CONNECT TIE ROD ASSEMBLY LH
9. INSTALL FRONT DISC BRAKE DUST COVER LH
10. INSTALL FRONT DISC
11. CONNECT FRONT DISC BRAKE CALIPER ASSEMBLY LH
12. CONNECT SPEED SENSOR CONNECTOR LH
13. INSTALL FRONT WHEEL
14. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
15. CHECK ABS SPEED SENSOR SIGNAL
(a) Check the speed sensor signal.
16. VEHICLE PREPARATION FOR HEADLIGHT AIMING ADJUSTMENT
17. PREPARATION FOR HEADLIGHT AIMING (Using a screen)
18. HEADLIGHT AIMING INSPECTION
19. HEADLIGHT AIMING ADJUSTMENT