Table 2-3 (Continued 2)
Fault Possible Cause Actions
Blocked or broken tie-rod. Install a new steering gear if necessary.
Broken or worn front
suspension components.
Install new front suspension components if
necessary.
Incorrect toe adjustment. Adjust it if necessary.
Blocked column bearing. Install a new steering column.
After steering, the steering
wheel will not go back to the
central position without the
assistance of the driver.
Besides, it may feel obstructed
or unsmooth when the driver
turns the steering wheel to the
central position.
Contaminated steering oil. Wash the power steering system.
Insufficient power steering
pump oil.
Refill the oil if necessary and check if there is
oil breakage.
Incorrect tension of the
accessory drive belt.
Check the tension of the accessory drive belt.
Leakage in the hose or outer
cooler.
Repair or install a new hose or cooler if
necessary.
Incorrect engine idle speed. Refer to the air discharge of power system.
Loose or distorted power
steering pump belt pulley.
Install a new power steering pump belt pulley.
Power steering pump flow or
pressure out of specification.
Check the pump flow and pressure. Refer to
the pump flow and pressure test in this chapter.
Obstructed hose or cooler
pipeline.
Clean the hose or cooler or install a new one if
necessary.
Contaminated steering shaft.
Check if there are foreign materials or
contamination in the system. Wash the power
steering system.
Steering feels heavy when
steering and parking at the
road side
Air in steering oil. Discharge the air in the system.
Excessively filled system. Correct the fluid level height.
Oil leakage
Leakage in components.
Find out the suspicious component and repair
it if necessary.
The accessory drive belt utters
a long shriek (especially while
the steering wheel turns to the
end and parking the vehicle at
the original position)
Check if the tension of the
accessory drive belt is correct
or if the belt skids.
Install a new accessory drive belt if necessary.
Chatter from the steering pump
Loose or broken accessory
drive belt.
Install a new accessory drive belt.
Insufficient oil and possible
leakage.
Refill the oil to the specified height.
Discharge the air in the system.
Noise from power steering
pump
Power steering pump.
Check if there is a leakage. Repair it if
necessary.
Install a new power steering pump if necessary.
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