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STEERING, SUSPENSION, WHEELS AND TIRES
3-9
Fig. 3-5 Lock Cylinder Actuator (Key Removed)
I
Fig. 3-6 Lock Cylinder Actuator (Key in Place)
3. Insert key into lock and turn lock toward START
position. 1f buzzer stops in RUN position or when turned past
RUN toward START, the problem is a sticky lock cylinder
actuator.
COLUMN MOUNTED DIMMER SWITCH
1. Loose connector at dimmer switch.
2. Improper adjustment.
3. Internally damaged or worn switch.
4. Dimmer: Check continuity on switch at It. blue-It.
green and at It. blue-tan with full depression of plunger
(audible click).
5. No continuity. Replace dimmer switch.
6. Continuity. Refer to Section 8.
POWER STEERING PUMP &
GEAR
EXTERNAL LEAKAGE D
General Procedure
1.
Wipe suspected area dry.
2. Check for overfilled reservc
3. Check for oil aeration and overflow.
4. Check hose connections. Tighten if necessary.
5. Verify exact point of leakage.
Example: Torsion bar, stub shaft and adjuster seals are
close together; exact leakage point could be confused.
Example: The point oil drips from is not necessarily the
leakage point
-
oil overflowing from reservoir for instance.
6. When service is required:
a. Clean leakage area upon disassembly.
b. Replace leaking seal.
c. Check component sealing surfaces for damage.
d. Reset bolt torque to specifications where required.
Some customer complaints with the power steering
system may be reported as:
1. Oil leakage on garage floor.
2. Oil leaks visible on steering gear, pump or anywhere
else on the left side of engine compartment.
3. Growling noise, especially when parking or when
engine is cold.
4. Loss of power when parking.
5. Heavy steering effort.
When trouble shooting complaints of this nature, check
for an external leak in thevpowe; steering system.
External Leakage Check (Fig. 3-7)
RESERVOIR C A P
RETURN HOSE 8 CLAMPS
PRESSURE HOSE
TORS I O N BAR
"W'
R l N G
ADJUSTER PLUG
"0" RING
FITTING
"W'
RING &
\
PRESSURE & RETURN W R
SIDE COVER
"0"
R l N G
ADJUSTER LOCK NUT
END COVER "0" R l N G
Fig. 3-7 Possible External Leakage Points
The purpose of the diagnostic procedure is to pinpoint
the location of the leak. The method outlined can be followed
to locate the leak and repair it.
In some cases you will be able to locate the leak easily.
However, seepage type leaks may be more difficult to isolate.
For seepage leaks, the following method is recommended.
1. With the engine off, wipe the complete power steering
system dry (gear, pump, hoses and connections).
2. Check oil level in pump reservoir and add fluid if
necessary.
3. Start engine and turn steering wheel from stop to stop
several times. D o not hold in corner for any length of time
as this can damage the power steering pump. It is easier if
someone else operates the steering wheel while you search for
the seepage.
4. Find the exact area of leakage.
Component Replacement Recommendations
Lip seals, which seal rotating shafts, require special
treatment. This type of seal is used on the steering gear at
the pitman shaft, at the stub shaft, and on the drive shaft of
the pump. When leakage occurs in one of these areas, always
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