SsangYong Korando III (2010 year). Manual — part 50

06-21

0000-00

Basic principle at low speed

At low speed, it utilizes the principle of venturi. For

example, when air flows through the venturi tube,

the flow speed is faster and the pressure is lower

at the point "A". In this case, if the inner diameter

of venturi is more narrowed, the flow speed is so

much faster (refer to the equation).

※

Control

range

Turbocharger driving

mechanism

Control method

Effect

Improved

performance

At low

speed

Narrows the flow
passage for the
exhaust gas by
folding the vanes

The flow rate is
increased as the
exhaust gas passes
the narrow passage
→ Increased
turbine & impeller
speed, Increased
compressive force

Improved

low speed torque

4. OPERATING PRINCIPLES

The E-VGT is designed to get more improved engine power in all ranges by controlling the turbine as

follows:

1) How it Works at Low Speed

Normal turbocharger cannot get the turbo effect because the amount of exhaust gas is not enough and

the flow speed is slow in a low speed zone, but VGT allows the flow passage of exhaust to narrow,

resulting in increasing the flow speed of exhaust gas and running the turbine quickly and powerfully.

Therefore, as VGT can intake more air than normal turbocharger, it can give the benefit of the increased

output even in a low speed zone.

Turbocharger lag

The turbocharger is at idle speed when there is no load or it is in the normal driving condition. During

this period, the amount of exhaust gas passing through the turbine is not enough to turn the

compressor wheel (impeller) fast. Therefore, the intake air is not compressed as needed.

Because of this, it takes time for turbocharger to supply the additional power after the accelerator

pedal is depressed. This is called "turbocharger lag".

06-22

2) How it Works at High Speed

In a high speed zone, the amount of exhaust gas increases and it is accompanied with a great force.

Therefore, if the inner diameter of venturi is more widened, the turbine in the turbocharger by the

releasing force of abundant exhaust gas can deliver a more increased energy to the compressor. The

output will increase in submission to the increase of intake air volume.

Control

range

Turbocharger driving

mechanism

Control method

Effect

Improved

performance

At high
speed

Expands the flow
passage for the
exhaust gas by
unfolding the vanes

The flow rate is
increased due to the
expanded passage→
Increased turbine &
impeller speed,
Increased
compressive force

Improved
maximum
power

07-3

0000-00

1. SPECIFICATION

The engine oil filter element should be changed at the same time with the engine oil.

Regularly check the engine oil level and add the engine oil if necessary.

Remember to check the engine oil level and shorten the cycle to replace the engine oil under

severe driving conditions.

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Severe Driving Condition

Frequent stop-and-go traffic, extended idling, short driving distance below 6 km, driving distance

below 16 km when the outside temperature remains below freezing

Driving in a hilly or mountainous terrain, sandy, or dusty area

High load driving such as trailer towing

Taxi, patrol service or delivery service (extended idling and excessive driving with low speed)

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Unit

Description

Specification

Oil pump

Lubrication system

Gear pump, forced circulation

Type

Internal gear

Capacity

74 L at 4,000 rpm, 3 bar

Relief pressure

6.3 bar ± 0.3 bar

Oil filter

Type

Fulle flow/Paper element

Engine oil

Specified oil

Quality class: Ssangyong genuine engine oil (Total
Quartz INEO ECS 5W 30, SK ZIC SY 5W 30 or oil
Approved by MB 229. 51) SAE 5W30

Capacity

Min.: 4.5 L / Max.: 6.0 L

Service interval

EU

Change every 20000 km or 12 months
(But, shorten the service interval under
severe condition)

General

Change every 15000 km or 12months
(But, shorten the service interval under
severe condition)

Oil injection nozzle

Type

Piston

Operating pressure

1.5 bar

Closing pressure

1.0 bar

Oil flow

4L/min

07-4

2. MAINTENANCE

1) Level Check

Park the vehicle on a level ground and apply the parking brake. Stop the engine and wait more than 5

minutes.

Pull out the dipstick and wipe it with a clean cloth. Reinsert it all the way.

Pull out it again and check the oil level.

The oil level should be between the maximum (Max) mark and minimum (Min) mark on the oil dipstick.

Oil should be replenished before the level goes below the minimum mark.

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Operating vehicle with insufficient amount of oil can damage the engine. Make sure the

engine oil level is correct and add oil if necessary.

2) Replenishment

If the level gets to the lower point, open the filler cap on top of the cylinder block and add the genuine oil

without exceeding the level of the upper mark.

Recheck the oil level after 5 minutes.

Regularly check the engine oil level and add Ssangyong genuine engine oil if necessary.

Clean the dipstick with clean cloth so that any foreign materials cannot get into the engine.

The oil should not go above the upper mark on the dipstick.

The engine oil may be consumed more if the engine is new.

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Engine oil filler

Engine oil dipstick