SsangYong Rexton. Manual - part 449

SSANGYONG  Y200

1F3-16  DIESEL ENGINE CONTROLS

VACUUM PUMP (SECTIONAL  VIEW)

2 Suction Valve
4 Piston
5 Pressure Valve
6 Safety Valve
7 O-Ring
8 Pump Housing
9 Pump Cover

12 Lever
14 Outer Return Spring
15 Inner Spring Retainer

16 Roller Cam
17 Piston Rod
21 Inner Return Spring
23 Upper Spring Retainer
28 Piston Ring
30 Seal Ring
31 Oil Return Valve
32 Restrictor

SB To Brake Booster
SK To Vacuum Lines

YAD1FAP0

DIESEL ENGINE CONTROLS  1F3-17

SSANGYONG  Y200

DIAGNOSTIC INFORMATION AND PROCEDURE

VACUUM CONTROL SYSTEM  TEST

YAD1FAQ0

1 Rubber Hose
2 Air Filter
3 Distributor
4 Chock
5 Rubber Hose
6 Molding Hose

7 Distributor
8 Molding Hose
9 Connector

10 Chock Filter
11 Molding Hose

Service Data

Idle Speed Increase

Permissible Pressure Drop of System

At least 100 rpm at approx. 500 mbr

400 - 500 mbar approx. 1 min

SSANGYONG  Y200

1F3-18  DIESEL ENGINE CONTROLS

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

Tester Connection

Digital tester

Temperature measuring instrument with test probe

WB24

YAD1FAR0

e.g Bosch MOT 001.03

Sun DIT 9000

e.g Ahlborm, Therm 2263 - 2

Eichenfeldstrabe 1 - 3

D - 8150 Holzkirichen

DIESEL ENGINE CONTROLS  1F3-19

SSANGYONG  Y200

Test step 1 (Coolant Temp. 

≤≤≤≤≤

 0°C)

Vacuum is built up?

YAD1FAS0

YAD1FAT0

YAD1FAU0

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

Vacuum     500 mbar?

=

>

YES

NO

Lines and connections
leaking.
Faulty PLA vacuum unit.

(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 0 

±

  3°C)

Stop the engine and seal the air admission line with
plug (arrow). Connect the vacuum pump to line to
thermovalve and pressurize the line with vacuum.

YES

NO

Lines and connections
leaking.
Faulty thermovalve.

YAD1FAV0

Detach line downstream of air admission filter (13).

Vacuum drops off?

YES

NO

Faulty thermovalve