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SYSTEM SERVICE DIAGNOSIS (CONT'D)
CONDITION
POSSIBLE C A U S E
C O R R E C T I O N
POOR RETURN
OF STEERING WHEEL
TO CENTER (Continued)
CAR LEADS TO ONE
SIDE OR THE OTHER
(KEEP IN MIND ROAD
CONDITION AND
WIND. TEST CAR IN
BOTH DIRECTIONS ON
FLAT ROAD)
MOMENTARY
INCREASE IN EFFORT
WHEN TURNING
WHEEL FAST TO
RIGHT OR LEFT
STEERING WHEEL
SURGES OR JERKS
WHEN TURNING WITH
ENGINE RUNNING
ESPECIALLY DURING
PARKING
(5)
Improper front wheel alignment.
(6)
Steering linkage binding.
(7)
Ball joints binding.
(8)
Steering wheel rubbing against housing.
(9)
Tight or frozen steering shaft bearings.
(10) Sticking or plugged valve spool.
(11) Steering gear adjustments over
specifications.
(12) Kink in return hose.
(1)
Front end misaligned.
(2)
Unbalanced steering gear valve.
N O T E : If this is cause, steering effort will
be very light in direction of lead and
normal or heavier in opposite direction.
(1)
Low oil level.
(2)
Pump belt slipping.
(3)
High internal leakage.
(1)
Low oil level.
(2)
Loose pump belt.
(3)
Steering linkage hitting engine oil pan at
full turn.
(4)
Insufficient pump pressure.
(5)
Check and adjust as necessary.
With front wheels still on alignment pads
of front-end machine, disconnect pitman
arm of linkage from pitman shaft of gear.
Turn front wheels by hand. If wheels will
not turn or turn with considerable effort,
determine if linkage or ball joints are
binding.
(6)
Replace pivots.
(7)
Replace ball joints.
(8)
Align housing.
(9)
Replace bearings.
(10) Remove and clean or replace valve.
(11) Check adjustment with gear out of car.
Adjust as required.
(12) Replace hose.
(1)
Adjust to specifications.
(2)
Replace valve.
(1)
Add power steering fluid as required.
(2)
Tighten or replace belt.
(3)
Check pump pressure. (See pressure test)
(1)
Fill as required.
(2)
Adjust tension to specification.
(3)
Correct clearance.
(4)
Check pump pressure. (See pressure
test.) Replace relief valve if defective.
J8919-27
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