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STEERING
12
COMPLAINT
AS MAY BE NARRATED BY CUSTOMER
NOISE &
VIBRATION
Humming noise while steering.
Squealing noise.
Clicking sound while steering.
Hissing noise.
Rattling noise.
CONDITION
POSSIBLE CAUSE
REMEDY
Humming noise that
increases with
engine speed
This is not a defect. The noise is
due to pulsation of fluid when the
pump is running which is normal
–
Hissing noise when
turning right or left.
This is not a defect. The noise is
due to actuation of Flow Control
Valve during steering operation,
which is normal.
–
Noise evident when
wheels are held on
full lock.
This is not a defect. This noise is
from the relief valve in the Pump.
CAUTION
Do not hold the wheels at full lock for more
than 5 seconds
Grating noise from
pump.
Cavitations caused by air bubbles
in the fluid, due to low or
insufficient oil in system.
Check fluid level in reservoir. If low top up the
oil. Correct external leaks, if any.
Determine by inspection, possibility of air
suction through loose pipefittings, hose
clamping. Tighten or replace as necessary.
Check Pump shaft seal for leakages, if any.
Fill and bleed the system.
Squealing noise
from pump.
Low belt tension or worn out belt
necessary.
Tighten the belt or replace if necessary.
Abnormally loud
noise from pump.
Pump internals excessively worn
out or damaged.
Replace the pump
Rattling or chattering
noise.
Loose pump pulley.
Tighten or replace the pulley. If shaft is found
damaged then replace the Pump.
Loose
or
worn
steering
columns/intermediate joints.
Tighten or replace the parts as necessary.
Loose inner or outer ball joints
necessary.
Tighten to replace the parts as necessary
Rack guide adjustments improper
or disturbed gear.
Adjust to specification if not corrected
replace.
Clicking noise heard
during a turn or
when changing
direction.
Some components are loose and
shifting under load.
Determine by inspection, tighten or replace if
necessary.
Vibrating Noise.
Unclamped /Rubbing/ damaged/
Deformed pipe lines.
Determine by inspection and replace or
correct if necessary.