Advertisement
19-1 2
STEERING
Condition
Possible Cause
Correction
LACK
OF ASSIST
(Both Directions)
(a) Pump belt slipping.
(b) Pump output low.
(c) Broken or worn ring on worm piston.
(d) Piston end plug loose.
(e) Internal leakage in the steering gear valve
body.
TEMPORARY
INCREASES IN EFFORT
WHEN TURNING
STEERING WHEEL
TO THE RIGHT OR
LEFT
(a)
Oil
level low in pump reservoir.
(b) Loose pump belts.
(c) Oil on pump belt.
(d) Binding steering linkage.
(e) Engine Idle too slow.
(f) Air in
the
system.
(g) Power steering pump output low.
(h) Gear malfunction.
NOISES
(a) Buzzing noise in neutral and stops when the
steering wheel is turned.
(b) Chucking noise. Cause as follows:
1.
Improper gear shaft adjustment.
2.
Improper worm shaft thrust bearing adiust-
ment.
3.
Coupling loose on the worm shaft.
4.
Worn worm and piston assembly.
(c) Metallic clatter or tapping noise.
(d)
Knocking condition at the bracket stop when the
engine is running.
(e) Loose pump belt.
(a) See "Pump Belt Adiustment."
(b) Perform the "Pump Pressure and Flow Tests,"
also d e r to correction (e) in Diagnosis under
"Hard Steering."
(c) See Gear Reconditioning.
(d) Replace the worm and piston assembly.
(e) Replace the steering gear valve body assem-
bly.
(a) See "Fluid Level.''
(b) See "Group 7-Cooling."
(c) Replace the belt and adjust.
(d) Lubricate and repair as necessary.
(e) See "Fuel Specifications."
(f) Work the steering wheel from right to left until
(9) See Diagnosis "Hard Steering" correction (e).
(h) Adjust and repair as outlined under "Hard
the air
i s
expelled.
Steering"-condition and correction (9).
(a) Noisy pump, make pressure test and repair as
necessary. Damaged hydraulic lines or inter-
ference of the hoses with components attached
to the fender shield. Air in system; work steer-
ing wheel from right to left until the air is ex-
pelled.
1.
See "Gear Shaft Adjustment."
2.
Remove steering gear, disassemble, inspect
and reassemble.
3.
Inspect worm shaft splines for wear. Inspect
coupling bolt for tightness,
if
loose, replace
bolt and inspect wormshaft and coupling.
4.
Replace worm and piston assembly.
(c) Replace back pressure valve cushion.
(d) Rubber stop worn or missing from pump
bracket.
(e) Belt not properly adjusted or worn to the extent
that belt tension cannot be properly adjusted.
(b) Correct as follows:
Hide quick links:
Advertisement
