Cadillac 60 Series 1963 Shop Manual page 88

POWER STEERING
5-29
DIAGNOSIS CHART (Cont'd.)
CONDITION
Excessive Wheel Kick-Back
or Loose Steering. (Cont'd.)
Poor Return of Steering.
Steering Gear External Oil
Leaks (Wipe gear throughly
and make sure source of leak-
age is determined.)
CAUSE
Worm and ball preload.
Worn poppet valve.
Steering gear loose on frame.
Steering gear flexible coupling
too loose on shaft or rubber
disc mounting rivets loose.
Steering l i n k a g e spherical
joints worn enough to be loose.
Front wheel bearings incor-
rectly adjusted or worn.
Frozen steering shaft bearings.
Lower coupling flange rubbing
against steering gear adjuster
plug or Cruise Control cables.
Steering wheel rubbing against
directional signal housing.
Tires over inflated.
Steering linkage binding.
Steering gear to column mis-
alignment.
Tie rod pivots not centralized.
Lack of lubricant in suspension
spherical joints.
Steering g e a r adjustments
tight.
Sticky or plugged valve spool.
Rubber s p a c e r binding in
shifter tube.
Improper front wheel align-
ment.
Loose hose connections.
Damaged hose.
Side cover O-ring seal.
Pitman shaft seals.
Housing end plug seal.
Adjuster plug seals.
Torsion bar seal.
CORRECTION
Remove rack-piston and worm.
Inspect for worn parts and re-
place as necessary.
Replace valve. See Note 14.
Tighten attaching screws to 45
foot-pounds.
Tighten retaining screws to 30
foot-pounds. Replace coupling
if rivets are loose.
Replace loose pivots.
Adjust b e a r i n g s or replace
with new parts as necessary.
Replace bearings.
Loosen screw and assemble
properly.
Adjust steering jacket.
Inflate to specified pressure.
Replace faulty pivots.
Align gaging position of flexi-
ble coupling. See Note 6.
Adjust tie rod ends as required
to center pivots.
Replace seal and repack.
Check adjustment with pitman
arm disconnected. Readjust if
necessary.
Remove and clean or replace
valve.
Make certain spacer is prop-
erly seated. Lubricate inside
diameter with silicone.
Check and adjust as necessary.
Tighten.
Replace.
Replace seal.
Replace seals.
Replace seal.
Replace seals.
Replace complete valve as-
sembly.