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STEERING
9
COMPLAINT
AS MAY BE NARRATED BY CUSTOMER
HARD STEERING
Won't turn
Not enough power assist
Lockup/ stuck up
Wont turn unless moving
Sticky/ binding
CONDITION
POSSIBLE CAUSE
REMEDY
A) Present during cold.
B)
Sensitive
to
steering,
wheel
speed.
C) More prevalent
when steering fast.
Some power steering pumps
have temporary state, when
pump element vanes are
sticky.
Increase engine speed briefly to correct the
problem.
Air drawn in due to
insufficient fluid per filling and
bleeding procedure.
Add fluid and bleed the system.
Air being sucked in through
cracks or loose fittings/hose /
pipes in suction line.
Correct/ Replace the crack/ loose fitting, hoses,
pipes in suction line fill and bleed the system
as per procedure.
Flow from the pump is less
than
the
minimum
recommended for steering
gear.
Repair
(or)
replace the Pump.
Steady state fluid pressure
(with hands off steering
wheel)
at idling with shut off
valve fully open is high, due
to clogging/deformation of
feed and return hydraulic
lines.
Clean/replace the clogged/deformed hydraulic
lines as required.
D) Present only in one
direction of turn
Unequal tyre pressure.
Inflate both steered wheels equal specified
pressure.
Feed pipe to concerned
cylinder is deformed.
Replace the deformed feed pipe.
Excessive internal leakage in
one direction of turn only
(verify with internal leakage
test.)
Repair or replace the steering gear.
E) Present in both the
direction of turn
Low tyre pressure.
Inflate both steered wheels to equal specified
pressure.
Low hydraulic fluid.
Check and rectify external leak
Improper rotation or binding
in column related parts.
Determine by inspection what interference or
condition is causing binding and correct the
problem.
Low pressure or flow from
Pump.
Check pump’s performance. Repair or replace
as required.
Faulty steering joints.
Replace the joints.