SsangYong Rexton. Service 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
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