2013 SSANGYONG TURISMO power steering

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Oil Pump Pressure Check ▶
Check the oil pump pressure to locate any
defect in oil pump.
Before checking the pressure, check the oil
level and belt tension. Prepare the empty
container to collect the spilled oil during the
service.
Unscrew the pressure line fitting in power
steering pump.
Install the pressure gauge between the
power steering pump and the power steering
oil pressure line.
Place the shift lever to neutral position. Apply
the parking brake.
Open the valve in pressure gauge. Start the
engine and let it run at idle speed.
Turn the steering wheel several times so that
the oil temperature reaches to normal
operating level. A.
B.
C.
D.
E.
Fully close the valve in pressure gauge and
measure the oil pressure. F.
To prevent internal damage, do not close the
gauge valve over 10 seconds.
Keep the oil temperature at proper range. -
-
Relief pressure93.3 ~ 100.4 kgf/cm²

11-12
Measure the oil pressure with the gauge
valve fully open. G.
Pressure at no load3 ~ 5 bar
If the pump pressure is in specified range,
the pump is normal. If not, replace the power
steering pump H.
Turn the steering wheel right or left until it
stops with the engine idling and valve fully
open. I.
Oil pressure78 ~ 83 bar

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1. OVERVIEW
The power steering has been designed to make the wheel move more easily than in a manual steering
system. The hydraulic power assists the process utilizing hydraulic fluid. The fluid increases pressure
in the power steering pump and aids the movement of the steering mechanism. The power steering
system consists of pump, oil reservoir, rack and gear box. The power steering pump is a vane type
and delivers hydraulic pressure to operate the power steering system. The pressure relief valve in the
pump controls the discharging pressure. The rotary valve in the rack and the pinion gear directs the oil
from the power steering pump to one side of the rack piston. The integrated rack piston converts the
hydraulic pressure to linear movement. The operating force of the rack moves the wheels through the
tie rod, the tie rod end and the 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 the steering wheel is conveyed to the pinion, and the movement of the
pinion moves the rack through the pinion gear combined to the rack gear.

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The steering pump is driven by the engine power through a belt. This pump circulates the power
steering oil from the reservoir -> steering pump -> oil supply pipe -> steering gear box -> oil return pipe
-> reservoir to perform steering operations
Return hose & tube
Lower shaft Column & shaft
Steering wheel
Power steering gear boxHigh pressure hosePower steering
pump & tank
Return line
High pressure line
Steering pump Steering return pipe Steering cylinder