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STEERING

8

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.

Faulty steering link components

like inner/outer ball joints etc.

Determine by inspection. Identify and replace

the defective steering link component.

Bent rack shaft.

Replace RAP assembly.

Feed pipes to both the cylinders

deformed.

Replace the feed pipes.

Excessive internal leakage.

Repair or replace the Steering gear as

required.