46–00 Safety Precautions
Safety Precautions in this section apply to all
procedures within this group.
DANGER
When working on the vehicle, shut down the en-
gine or motor, set the parking brake, and chock
the tires. Before working under the vehicle, always
place jack stands under the frame rails to ensure
the vehicle cannot drop. Failure to follow these
steps could result in serious personal injury or
death.
46–01 Drag Link Inspection
WARNING
All steering system components are critical for
safe operation of the vehicle. Failure to maintain
the steering system as specified may result in
loss of steering control, which could lead to per-
sonal injury and property damage.
Have someone turn the steering wheel from left to
right. As the steering wheel is turned, check for
looseness between the ball stud and the pitman arm,
and between the other ball stud and the steering
arm. Check for loose ball stud castle nuts. See
Fig. 1.
If there is looseness in either ball stud end, replace
the drag link. See Section 46.03 of the 108SD and
114SD Workshop Manual for replacement instruc-
tions. If there is 1/8-inch (3-mm) movement or more,
do not drive the vehicle until the drag link is re-
placed.
If a ball stud nut is loose, replace the nut and cotter
pin. See Section 46.03 of the 108SD and 114SD
Workshop Manual for torque specifications.
Inspect the drag link boots (at both the pitman arm
and the steering arm ends) for cracks, splits, or other
damage. Replace boots as needed. See Section
46.03 of the 108SD and 114SD Workshop Manual
for drag link removal and installation instructions.
46–02 Power Steering Fluid
and Filter Change
WARNING
Fill only with approved clean fluid. Failure to use
the proper fluid could cause seal deterioration and
leaks. Fluid leaks could eventually cause loss of
power steering assist. This could lead to an acci-
dent resulting in personal injury or property dam-
age. Wear eye protection when changing the fluid
and filter.
1. Park the vehicle on a level surface, shut down
the engine, apply the parking brakes, and chock
the rear tires.
2. Place a drain pan under the power steering res-
ervoir.
12/14/2010 f462186a
1
2
3
4
5
5
4
6
7
7
8
8
1. Steering Gear
2. Pitman Arm
3. Drag Link
4. Cotter Pin
5. Castle Nut
6. Steering Arm
7. Ball Stud
8. Boot
Fig. 1, Drag Link Assembly
Steering 46
108SD and 114SD Maintenance Manual, September 2015 46/1
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