SSANGYONG RODIUS 2006 Service Manual

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POWER STEERING SYSTEM
RODIUS 2007.07
4610-00
4610-00POWER STEERING SYSTEM
1. SPECIFICATION

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RODIUS 2007.07
4610-00
POWER STEERING SYSTEM
2. TIGHTENING TORQUE
3. SPECIAL TOOLS AND EQUIPMENT

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POWER STEERING SYSTEM
RODIUS 2007.07
4610-00
4. OVERVIEW
The power steering system consists of pump, oil reservoir, rack and pinion gear. The power
steering pump is a vane type and delivers hydraulic pressure to operate the power steering
system. The pressure relief valve in pump controls the discharging pressure.
The rotary valve in rack and pinion gear directs the oil from the power steering pump to one
side of rack piston.
The integrated rack piston converts the hydraulic pressure to linear movement.
The operating force of rack moves the wheels through tie rod, tie rod end and steering knuckle.
Even though the hydraulic pressure cannot be generated, a driver can steer the vehicle without
power assist but it needs very high steering force.
In this case, the operating force of steering wheel is conveyed to pinion, and the movement o
f
pinion moves the rack through pinion gear combined to rack gear.
5. COMPONENTS

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RODIUS 2007.07
4610-00
POWER STEERING SYSTEM
1. COMPONENTS OF POWER STEERING ASSEMBLY

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POWER STEERING SYSTEM
RODIUS 2007.07
4610-00
2. POWER STEERING GEAR BOX ASSEMBLY
The power steering gear consists of power cylinder and control valve.
The power cylinder has cylinder, piston and piston rod. The control valve directs the oil to one
end face of the piston to enhance the steering force.
The control valve controls the directions and operations of power cylinder.
Additionally, the safety check valve is installed so that the system can be operated manually
when the system is defective.

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RODIUS 2007.07
4610-00
POWER STEERING SYSTEM
3. POWER STEERING PUMP
The vane type pump that is connected to engine by belt is used for the power steering system.
This pump generates and controls a proper hydraulic pressure and flows by using the flow
control valve and pressure relief valve.
The flow control valve regulates the excessive amount of discharging oil. When the steering
wheel is stationary or the oil circuit is blocked, the pressure relief valve returns the ove
r
pressurized oil to the oil reservoir.
4. OIL RESERVOIR
The oil reservoir sends the oil to the power steering pump and receives the oil from the power
steering gear.
The oil level in the reservoir depends on the steering wheel positions. therefore, measure the oil
level when the steering wheel is positioned at straight ahead direction (neutral).
Steering pump Reservoir tank

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WHEEL
RODIUS 2007.07
4710-09
4170-09WHEEL ＆ TIRE
1. SPECIFICATION
Description Specification
WheelSize Aluminum type 6.5J x 16
Wheel nut tightening torque Aluminum wheel 13 ~ 16 kgf.m
TireType Radial tire Radial Tire
Inflation pressure (psi) P225/65R16 35 psi
Wheel alignmentToe-inFront 0 ~ 4 mm
Rear0.4° ± 0.08° (5 mm ± 1 mm)
CamberFront0° ± 30' (0° ± 0.5°)
Rear-1° ± 30' (-1° ± 0.5°)
Caster4.5° ± 30'

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RODIUS 2007.07
4710-09
WHEEL
1. OVERVIEW OF WHEEL & TIRE
1) Tire And wheel Balancing
There are two types of the tire and wheel balancing: static and dynamic.
Static balance is the equaldistribution of weight around the wheel. assemblies that are statically
unbalanced cause a bouncing action called wheel tramp. This condition may eventually cause
uneven tire wear.
Dynamic balance is the equal distributio of weight on eeach side of the centerline so that when
the assembly spins there is no tendency for it to move frim side to side . Assemblies that are
dynamically unbalanced may cause wheel shimmy.
General Balance Precautions ▶
Remove all deposits of foreign material from the inside of the wheel.
Remove stones frim the gread in order to avoid operator injury during spin balancing -
Inspect the tire for any damage. Balance the tire according to the equipment
manufacturer’s recommendations.
2) Structure of Tubeless Tube
The tire structure is different slightly
according to the types of the tire but a
various type of the tire has the common
structure as following;
Tread 1.
A part (that contacts) road surfaces directly
is fixed on the outsude of carcass and
breaker.
It is a strong rubber coat made of high anti-
abrasion rubber. Its running performance
depends on is surface profile.
A cord belt between tread and carcass
prevents damages of inner code due to oute
r
shock and vibration.Breaker 2.

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WHEEL
RODIUS 2007.07
4710-09
Carcass 3.
This major part made by pilling code papers
of strong synthetic fiber forms a structure o
f
tire. Since it maintains tire pressure and
endures applied load and shock to tire, it
should have a high anti-fatigue characteristic.
Side Wall 4.
It is provided to improve the comfortable
driving by protecting carcass and cushion
movement.
Bead 5.
A steel wire winding the ending part o
f
carcass code, coated with rubber film and
wrapped with nylon cord papers. It fixes tire
to a rim.
3) Conventions for Radial Tire

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RODIUS 2007.07
4710-09
WHEEL
4) The Relations Between Inflation Pressure and Tire
5) The Relations Between Load and Tire