SsangYong Rexton. Manual - part 450

SSANGYONG  Y200

1F3-20  DIESEL ENGINE CONTROLS

YAD1FAS0

YAD1FAW0

Go to test step 2.

YAD1FAU0

YES

NO

Faulty filter with restriction.

Fit the line onto air admission filter. Built up vacuum
with vacuum pump. Detach the plug from air
admission line.

Vacuum drops off?

Connect vacuum pump (14) with Y adapter to PLA
vacuum unit (5). Run the engine at idle speed.

Vacuum drops to ‘0’ at approx. 

±

 3°C of the thermovalve.

YES

NO

Faulty thermovalve.
Defective filter with
restriction.

Test step 2

Filter with restriction is clear.

Stop the engine. Detach the filter with restriction.

YES

NO

Defective filter with
restriction.

OK

DIESEL ENGINE CONTROLS  1F3-21

SSANGYONG  Y200

VACUUM SHUT-OFF LEAK  TEST

YAD1FAX0

1 Vacuum Pump
2 Fuel Injection Pump
3 Engine Stop Unit
4 Control Line

5 Check Valve (to Brake Booster)
6 Engine Shut-Off Valve
7 Suction Line
8 Vacuum Tester

Service Data

Model

Permissible loss of vacuum

Entire System at 400 + 50 mbar Vacuum

Individual Part at 300 + 50 mbar Vacuum

6 mbar / min.

5 mbar / min.

SSANGYONG  Y200

1F3-22  DIESEL ENGINE CONTROLS

Tools Required

201 589 13 21 00

Vacuum Tester

1. After fully warming up the engine, turn the ignition

switch to ‘LOCK’ position.

2. Disconnect the suction (7) line from vacuum pump.

3. Connect the vacuum teater 201 589 13 21 00 (8)

to suction line (7) and apply vacuum of 400 + 50
mbar.

5. Vacuum Stop Unit Test.

- Disconnect the control line (4) from the vacuum

stop unit (3).

- Connect the vacuum tester 201 589 13 21 00 to

vacuum stop unit (3) and apply vacuum of 300
+ 50 mbar.

If a vacuum drop is more than sperified value,
check the engine shut-off valve or vacuum unit.

4. Engine Shut-off valve test

- Turn the ignition switch to ‘ON’ position.

- Connect the vacuum tester 201 589 13 21 00 to

engine shut-off valve (6) and apply vacuum of
300 + 50 mbar.

If a vacuum drop is more than specified value,
replace the engine shut-off valve (6)

Notice:  Before replacing the valve for the glow
starter system and the vacuum unit of the injection
pump, check the hose lines and connections.

YAD1FAY0

YAD1FAZ0

YAD1FB00

- If a vacuum drop is more than specified valve,

replace the vacuum stop unit.

Permissible loss of

vacuum

6 mbar / min

Permissible loss of

vacuum

5 mbar / min

Permissible loss of

vacuum

5 mbar / min

DIESEL ENGINE CONTROLS  1F3-23

SSANGYONG  Y200

IDLE SPEED ADJUSTMENT

Service Data

Tools Required

001 589 73 21 00 Vacuum Pump

667 589 00 73 21 TDC Pulse Generator

Adjustment Procedure

1. Connect the digital tester (1) and TDC pulse

generator 667 589 02 21 00 (11).

2. Run the engine and warm up the coolant to

60~80°C.

4. Disconnect the vacuum hose (4) from the PLA unit

to check idle speed with tester.

5. Check idle speed with tester.

Commercial Tool

YAD1FB10

YAD1FDV0

YAD1FB20

3. Disconnect the connecting rod (3) from control lever

(2).

Notice: To adjust idle speed, loosen the locking
nut (6) of PLA unit.

Engine

OM662LA Engine

Idle Speed

720 - 820 rpm

e.g. Bosch, MOT 001.03

Sun, DIT 9000

Digital tester

Idle  Speed

720 - 820 rpm