I. Fault Diagnosis of Steering System
1. Note for inspection
(1) Take extra care while replacing the components. Incorrect operation may affect the
performance of the steering system and lead to driving accident.
(2) Notes for SRS system. This vehicle is equipped with SRS, like driver air bag and front
passenger air bag. If failing to repair the air bag in correct order, the unexpected deployment of air
bag during the maintenance may lead to serious accident. Read the notes for supplement restraint
system before maintenance (including removal or installation, and check or replacement of
components).
II. Fault Elimination Table
With the help of Fault Elimination Table (as shown in Table 2-3), it is more convenient to discover
the fault. The Table indicates the frequent faults. Eliminate all faults according to measures
provided in this Table. Check each component in sequence. Repair or renew these components if
necessary.
Table 2-3
Fault Possible Cause Actions
Incorrect tire size or pressure. Check the tire size and adjust the tire pressure.
Over loaded or uneven loaded. Adjust the load.
Loose or worn tie-rod or its end
Replace the steering gear or tie-rod end with a
new one if necessary.
Loose or broken bolts of the steering gear Lock the bolt or install a new one.
Loose or worn suspension ball joint.
Replace the suspension ball joint assembly with
a new one.
Loose bolts between the steering column
shaft universal joint and the pinion shaft.
Lock the bolts of pinion shaft.
Lock the steering column shaft universal joint.
Loose or broken steering column shaft
universal joint.
Install a new steering column shaft universal
joint.
Improperly adjusted toe. Adjust it if necessary.
When the
steering wheel is
fixed and in
straight forward
direction, the
vehicle moves
between two
sides.
Loose or broken rear suspension. Lock or install new rear suspension components.
Incorrect tire pressure. Adjust the tire pressure.
Incorrect tire size or different tire/tread
types.
Install new tires if necessary.
Over loaded or uneven loaded. Adjust the load.
Improperly toe adjustment. Adjust it if necessary.
Broken front suspension components.
Install new front suspension components if
necessary.
The vehicle leans
to one side when
running on
smooth road
surface.
Broken rear suspension components.
Install new rear suspension components if
necessary.
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