SsangYong Musso. Manual - part 414

1F3-6  OM600 ENGINE CONTROLS

Temperature measuring instrument with test probe

WB24

Digital tester

Tools Required

001 589 73 21 00 Vacuum Pump

201 589 13 21 00 Vacuum Tester

667 589 00 21 00 TDC pulse generator

Commercial Tools

e.g. Bosch MOT 001.03

Sun DIT 9000

e.g. Ahlborn, Therm 2263-2

Eichenfeldstrabe 1 - 3

D-8150 Holzkirchen

Tester Connection

11 TDC Pulse Sender Unit
12 Digital Tester

OM600 ENGINE CONTROLS  1F3-7

Vacuum   500 mbar

Lines and connections leaking.
Faulty PLA vacuum unit.

Test step 1

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

YES

NO

(Remove the connection hose from vacuum pump)

Connect vacuum pump (14) direct to PLA vacuum unit
(5) and pressurize with vacuum.

Vacuum is built up and idle speed increases approx.
150-200 rpm

YES

NO

Faulty PLA vacuum unit

(Coolant Temperature 30°C)

Stop the engine Seal the air admission line with plug.
Connect the vacuum pump to line to thermovalve and
pressurize the line with vacuum.

Vacuum is built up.

YES

NO

Lines and connectors leaking.
Faulty thermovalve.

=

>

1F3-8  OM600 ENGINE CONTROLS

Detach line downstream of air admission filter (13).

Vacuum drops.

Faulty thermovalve

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

Vacuum drops.

Faulty filter with restriction.

Go to test step 2.

YES

NO

YES

NO

OM600 ENGINE CONTROLS  1F3-9

Test step 2

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

Vacuum drops to ‘0’ at approx. 30°C of the thermovalve.

Faulty thermovalve.

Defective filter with restriction.

Stop the engine. Detach the filter with restriction.

Filter with restriction is clear.

Defective filter with restriction.

YES

NO

YES

NO