Toyota Corolla 2004 Repair Manual - STEERING

50–4

REPAIR

Steering Wheel

Masking Tape
Steering Column

Upper Cover

–STEERING COLUMN STEERING

5002Q–02

1. STEERING OFF CENTER REPAIR PROCEDURE

(a) Inspect steering wheel off center.

(1) Apply masking tape on the top center of the steering

wheel and steering column upper cover.

(2) Driving the vehicle on a straight line for 100 meters

at a constant speed of 35 mph (56 km/h), and hold
the steering wheel to maintain the course.

Steering Column
Upper Cover

Marked Line

Steering Wheel

Steering Column
Upper Cover

Marked Line

Steering Wheel

F16015

(3) Draw a line on the masking tape as shown in the il-

lustration.

Masking
Tape

F16016

(4) Turn the steering wheel to its straight position.
HINT:
Refer to the upper surface of the steering wheel, steering spoke
and SRS airbag line for the straight position.

(5) Draw a new line on the masking tape or the steering

wheel as shown in the illustration.

(6) Measure the distance between the 2 lines on the

masking tape of the steering wheel.

2004 COROLLA (RM1037U)

F16017

1525Author: Date:

Marked Line

50–5

–STEERING COLUMN STEERING

(7) Convert the measured distance to steering angle.

Measured distance 1 mm (0.04 in.) = Steering angle

approximately 1 deg.

HINT:
Make a note of the steering angle.
(b) Adjust steering angle.

NOTICE:
The adjustment method for steering angle varies depend­ing on the models. Check whether it is type A or B.

(1) Draw a line on the RH and LH tie rod and rack ends

where it can easily be seen.

(2) Using a paper gauge, measure the distance from

RH and LH tie rod ends to the rack end screws.

HINT:

 Measure the RH side and LH side.
 Make a note of the measured values.

R00429

F16018

(3) Remove the RH and LH boot clips from the rack

boots.
(4) Loosen the RH and LH lock nuts.
(5) Turn the RH and LH rack end by the same amount

(but in different directions) according to the steering

angle.

1 turn 360 deg. of rack end (1.5 mm (0.059 in.) horizon­tal movement) – 12 deg. of steering angle.

(6) Tighten the RH and LH lock nuts by the specified

torque.

Torque: 74 N·m (750 kgf·cm, 54 ft⋅lbf)

NOTICE:
Make sure that the difference in length between RH and LH
tie rod ends and rack end screws are within 1.5 mm (0.059
in.).

(7) Install the RH and LH boot clips.

2004 COROLLA (RM1037U)

1526Author: Date: