Remove/install vacuum pump

AR43.05-P-1320MFD

Remove/install vacuum pump

06.03.2020

Model

118, 177, 247 with engine 282

except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

Shown on model 177

1

Purge line

2

Separation point

3

Coolant line

Shown on model 177

3

Coolant line

7

Connection

10

Vacuum pump

5

Screw

8

Screw

11

Mounting clip

6

Electrical wiring harness

9

Screw

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Release purge line (1) at separation point (2), disconnect, and seal openings with suitable stop plugs.

 Record plug

*129589009100

2

Remove screw (5) of coolant line (3).

 Bolt, coolant line to coolant thermostat/coolant line holder

*BA20.10-P-1004-01DA

3

Unclip electrical wiring harness (6) at retaining clips (11).

4

Release vacuum line at connection (7), disconnect, and seal openings with suitable stop plugs.

 Record plug

*129589009100

5

Remove screw/bolt (8).

6

Carefully slide electrical wiring harness (6) aside and remove screw (9) underneath vacuum pump (10).

7

Remove vacuum pump (10).

 Installation: Replace elastomer seal of vacuum pump (10).
Ensure that the elastomer seal is correctly seated.
Observe driver position of vacuum pump (10).

8

Clean sealing surfaces.

Assembly cleaner

*BR00.45-Z-1028-04A

9

Install in the reverse order.



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

10

Perform engine test run; in this connection, check engine for proper operation and leak tightness.

 Coolant pump, coolant thermostat

Number

Designation

Engine 282

BA20.10-P-1004-01DA

Bolt, coolant line to coolant thermostat/coolant line holder

M6

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01