SsangYong Rexton. Manual - part 50

DI04-13

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

EXHAUST SYSTEM

DI ENG SM - 2004.4

2. Oil Pump Defect: Rapid over-loaded driving after replacing oil filter and oil and clogging of oil

line.

Poor Oil Supply

Metal Contact of Shaft /Journal Bearing/

Center Housing Inner Part

Journal Bearing/Center Housing Inner Part

Wear/Seizure

Seal Wear at Exhaust

System

Interference of Turbine and

Compressor Components

Oil Leakage

Seal Wear at Intake

System

Abnormal Noise

Melt down of Bearing to Turbine Wheel Journal

Rotor Rotational Movement

Lack of Power/Poor

Acceleration (Lack of

Turbo Charged Pressure)

DI04-14

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

EXHAUST SYSTEM

DI ENG SM - 2004.4

3. Turbine Side: Inflow of foreign materials from engine

Compressor Side: such as air filter, muffler and nut

Inflow of Foreign Materials

Inflow of Foreign Materials

into Turbine

Inflow of Foreign Materials

into Compressor

Shaft Wheel Blade Break

Compressor Wheel Blade

Break

Unbalancing Rotor Rotation

Rotor Bearing Wear

Seal Wear at Exhaust

System

Interference of Turbine and

Compressor Components

Oil Leakage

Seal Wear at Intake

System

Abnormal Noise

Lack of Power/Poor Accel-

eration (Lack of Turbo

Charged Pressure)

Rotor Turning Movement

DI04-15

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

EXHAUST SYSTEM

DI ENG SM - 2004.4

4. Defects caused by reasons other than that of the Turbo Charger.

Oil Leakage at Turbine

Excessive Engine Wear

Oil Leakage at Turbine

Housing Entrance

Carbonization Caused By

High Temperature

Misunderstanding of Oil

Leakage

Seal Wear

No Problems in Turbo

Charger System

Oil Leakage

Excessive Inflow of Blow-By

Gas, Idling at Low Speed,

Clogging of Oil Drain Pipe

Inflow of Dust

Oil Leak Sign at Compres-

sor Inlet and Outlet

Increase of Negative Pressure

Increase at Inlet Side

No Problems in Turbo

Charger System

Excessive Inflow of Blow-By

Gas, No-Load High Speed

Rotation

Oil Leakage at Compressor

Misunderstanding of Oil

Leakage

Oil Leakage at Seal

<Mechanical
Malfunction>

Dampness or Poor Connec-

tion of Turbo Charger Actuator

Connecting Vacuum Circuit

Detection of DTC Code

Caused By HFM Sensor or

EGR Valve Malfunction

Vacuum Modulator Power

Control Error for Controlling

Actuator in Engine ECU

<In case where the scanner
displays as electrical malfunction>

DI04-16

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

EXHAUST SYSTEM

DI ENG SM - 2004.4

How to Diagnose

The followings are cautions to take in handling defects of turbo charger, which must be fully aware of;

Cautions When Examining the Defects:

1. After stopping the engine, check whether the bolts on pipe connecting section are loose as well as the connecting

condition of vacuum port and modulator, which is connected to the actuator.

2. During idling of the engine, check for leakage in the connecting section of pipe (hoses and pipes, duct connections,

after the turbo charger) by applying soap water. The leakage condition in the engine block and turbine housing
opening can be determined by the occurrence of abnormal noise of exhaust.

3. By running the engine at idle speed, abnormal vibration and noise can be checked. Immediately stop the engine

when abnormal vibration and noise is detected and make thorough inspection whether the turbo charger shaft
wheel has any damages as well as checking the condition of connections between pipes.

4. In case where the noise of engine is louder than usual, there is possibility of dampness in the areas related with air

cleaner and engine or engine block and turbo charger. And it could affect the smooth supply of engine oil and
discharge. 5. Check for damp condition in exhaust gas when there is sign of thermal discoloration or discharge of
carbon in connecting area of the duct.

6. When the engine rotates or in case where there is change in noise level, check for clogging of air cleaner or air

cleaner duct or if there is any significant amount of dust in the compressor housing.

7. During the inspection of center housing, inspect inside of the housing by removing the oil drain pipe to check for

sludge generation and its attachment condition at shaft area or turbine side.

8. Inspect or replace the air cleaner when the compressor wheel is damaged by inflow of foreign materials.

9. Inspect both side of the turbo charger wheel after removing inlet and outlet pipe of the turbo charger.

- Is the rotation smooth when the rotor is rotated by hand?

- Is the movement of bearing normal?

- Inspect whether there has been any signs of interference between two wheels.

Notice

It’s important not to drive the engine when the intake manifold hose has been removed.