Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 2030
3B-10 STEERING
SERVICING
C22, C20 Series Engine Model
POWER STEERING FLUID
Draining
1. Jack up the front wheels until they are clear of the ground.
2. Disconnect the fluid pipes between the steering unit and the
fluid reservoir, and the fluid hose between the pump and the
fluid reservoir.
3. When draining is completed, remove remaining fluid within
hydraulic system by turning the steering wheel to stop in
both directions several times.
STEERING 3B-11
Full level
Min. level
Refilling
1. Connect the fluid lines securely and fill the fluid reservoir
with specified automatic transmission fluid.
2. When the fluid reservoir is filled to the specified level, allow
2 or 3 minutes. While refilling, keep fluid reservoir
replenished as necessary to prevent air from entering the
hydraulic system.
3. Lower the front wheels to the ground. Start and let the
engine idle for a few minutes.
Recheck the fluid level and replenish if necessary.
STEERING WHEEL PLAY
Inspection
1. Check the amount of the steering wheel play by turning the
wheel in both directions until the tires begin to move with the
front wheels properly in the straight-ahead position.
Note:
If the vehicle is equipped with a power steering unit, the
wheel free play should be checked with the engine
running.
Free Play
mm(in)
(Manual/Power Steering)
10 - 30 (0.4 - 1.2)
2. Also check the steering wheel for play and looseness in
mount by moving it back and forth and sideways. While
driving check for hard-steering, steering shimmy and
tendency of steering to pull to one side.
Adjustment
1. Align the front wheels properly in the straight ahead
position.
2. Loosen the lock nut on the adjusting screw of the steering
unit.
3. Turn the adjust screw clockwise to decrease free play or
counter-clockwise to increase.
4. After check of specified free play, tighten the lock nut to
specified torque.
Lock Nut Torque
N
⋅
m (kgf
⋅
m/Ib
⋅
ft)
Manual Steering
24.5
±
4.9 (2.5
±
0.5/18.1
±
3.6)
Power Steering
41.2
±
5.9 (4.2
±
0.6/30.4
±
4.3)
3B-12 STEERING
AIR BLEEDING
Fill fluid reservoir with specified automatic transmission fluid
(DEXRON) and turn the steering wheel to lock in both
directions repeatedly, so that level of fluid in the reservoir to the
specified level and start the engine.
Perform the following check with the engine running at idle.
Bleeding is considered to be completed if the following
conditions apply;
(1) Turn the steering wheel to lock in both directions 3 or 4
times.
A buzz is not produced in the hydraulic line.
(2) Stop the engine with steering wheel in a straight ahead
position.
Level of fluid in reservoir does no increase.
Note:
Do not hold the steering wheel in position of lock for more
than 5 seconds, or temperature of fluid increases sharply.
STEERING 3B-13
MEASUREMENT OF FLUID PRESSURE
Measurement of fluid pressure in the power steering system is performed to determine whether or not the oil pump
and power steering unit are functioning normally.
C22. C20 Series Engine Model
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