Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 1986
STEERING 3B-23
POWER STEERING HYDRAULIC LINE
C22, C20 Series Engine Model
3B-24 STEERING
4J Series Engine Model
The function of each major component is described below:
Power Steering Unit
Refer to the previous page.
Oil Pump
The oil pump uses the power of the engine to send hydraulic fluid to the power steering unit.
An oil pressure relief valve and an oil flow relief valve are installed to the oil pump.
The oil pressure relief valve prevents any excessive oil pressure from reaching the hydraulic circuit.
The oil flow control valve controls the hydraulic fluid volume within the hydraulic system. It prevents too much fluid
from entering the system. This, in turn, prevents harmful heat build-up.
Oil Reservoir and Piping
The oil reservoir stores and filters the hydraulic fluid.
STEERING 3B-25
REMOVAL AND INSTALLATION
Removal Steps
1. Nut
! 2. Pitman arm
3. Bolt
4. Unit assembly
! 5. Coupling assembly
Installation Steps
! 5. Coupling assembly
4. Unit assembly
! 3. Bolt
! 2. Pitman arm
! 1. Nut
Important Operations - Removal
2. Pitman Arm
Pitman Arm Remover : 5-8840-2017-0
3B-26 STEERING
5. Coupling Assembly
Make a setting mark across the coupling flange and worm
shaft to ensure reassembly of the parts in the original position.
Important Operations - Installation
5. Coupling Assembly
Align the Setting mark made at removal
3. Bolt
Steering Unit Bolt
N
⋅m (kgf⋅m/Ib⋅ft)
44.1
±4.9 (4.5±0.5/32.5±3.6)
2. Pitman Arm
Align the notched tooth
1. Nut
Pitman Arm Nut Torque
N
⋅m (kgf⋅m/Ib⋅ft)
215.8
±19.6 (22.0±2.0/159.0±14.5)
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