Cadillac 60 Series 1963 Shop Manual page 89

5-30
POWER STEERING
DIAGNOSIS CHART (Cont'd.)
CONDITION
Gear N o i s e . ( R a t t l e or
Chuckle)
Car Leads to One Side or the
Other.
Steering Wheel Surges or Jerks
When Turning With Engine
Running, E s p e c i a l l y During
Parking.
Pump Leaks.
CAUSE
Loose over-center adjustment.
NOTE: A slight rattle may oc-
cur on t u r n s because of
increased clearance off the
"high point". This is normal
and clearance must not be re-
duced below specified limits to
eliminate this slight rattle.
Gear loose on frame.
Steering linkage looseness.
Front end misaligned.
Unbalanced or badly worn
valve.
NOTE: If this is cause, steer-
ing effort will be very light in
direction of lead and heavy in
opposite direction.
Steering linkage not level.
Loose pump belt.
Sticky flow control valve.
Top of reservoir:
Reservoir too full.
Air in the oil.
At reservoir:
O-ring cut.
O-ring improperly installed.
At pressure union o r cover
screw:
Not tightened sufficiently.
Cross threaded or damaged
seat.
Defective seat on hose end.
Damaged seals.
At the shaft seal:
Defective seal.
Damaged shaft.
Leaks in the metal part.
CORRECTION
Adjust to specifications.
Check gear-to-frame mounting
screws. Tighten screws to 45
foot-pounds.
Check linkage pivot points for
wear. Replace if necessary.
Adjust to specifications.
Replace valve.
Adjust as required, see Note 5.
Adjust tension.
Inspect for damage, replace if
necessary.
Fill to proper level.
Bleed system.
Replace O-ring.
Install properly.
Torque to specifications.
Replace damaged parts.
Replace hose.
Replace seals.
Replace s e a l without disas-
sembling any other part of the
pump.
Replace shaft.
Replace defective part.