Remove/install front cover on cylinder head

AR01.30-P-5700RX

Remove/install front cover on cylinder head

2.3.10

 

Remove/install

1

Turn key in ignition lock to position "0"

 Vehicles with Keyless-Go code 889: Press the Keyless-Go start and stop button repeatedly until the ignition is switched off.

Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter

(min. 2 m).

2

Remove the front and central sections of the lower engine compartment paneling

 Installation: Install engine compartment paneling only after engine test run.

AR61.20-P-1105R

3

Drain coolant at radiator

AR20.00-P-1142RX

4

Remove front engine cover and left intake air duct

See: 

Remove/install air filter housing

AR09.10-P-1150RX

5

Remove poly-V belt tensioning device (2)

AR13.25-P-3200RX

6

Remove three-disk thermostat valve (Y110)

AR20.10-P-2460RX

7

Remove oil filter housing (4)

AR18.20-P-3471RX

8.1

Remove power steering expansion reservoir

Engine 272 without Active Body Control (ABC)

AR46.25-P-1000RX

9

Disconnect electrical connectors at Hall sensors (B6/4, B6/6) and solenoids (Y49/4, Y49/6)

10

Detach clamp (6)

11

Remove bolts (7a) from front cover (7)



*BA01.30-P-1006-01O

12

Carefully loosen front cover (7) at lifting lugs (7b) and detach to the front

 Pay attention to fitted sleeves in area of outer threaded connections (arrows).

 Installation: Apply sealant to the front cover (7): 



Notes on sealant path for front cover to cylinder head

AH01.30-P-1000-02V



*112589002500

Loctite sealant 5970

*BR00.45-Z-1013-01A



Clean

13

Clean sealing surfaces on cylinder head, on cylinder head cover and on front cover (7)

 Do not use any sharp-edged tools or abrasive paper as this will damage the sealing surfaces.

AR01.00-P-0050-01A

Loctite 7200

*BR00.45-Z-1038-04A

Cleaning spray, Loctite 7063 (150ml)

*BR00.45-Z-1046-04A

14.1

Detach Hall sensor (B6/4, B6/6) and solenoids (Y49/4, Y49/6) from front cover (7)

When replacing the front cover (7)



*BA15.10-P-1002-03E



*BA15.10-P-1003-03E

15

Install in the reverse order



Checking

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

16

Carry out engine test run while checking engine for function and oil leaks

Number

Designation

Engine
272

Engine
273

BA01.30-P-1006-01O

Bolt, front cover to cylinder head

M6

Nm

9

9

Number

Designation

Engine
272

Engine
273

BA15.10-P-1002-03E

Bolt, camshaft Hall sensor to front cover on cylinder head

Nm

8

8

BA15.10-P-1003-03E

Bolt, camshaft solenoid to front cover
to cylinder head

Nm

8

8

Number

Designation

Order number

BR00.45-Z-1013-01A

Loctite sealant 5970

A 003 989 98 20

BR00.45-Z-1038-04A

Loctite 7200

Henkel Loctite Deutschland GmbH
Arabellastrasse 17
81925 München
Germany
Tel. +49 899268-0
Fax + 49 899101978
www.Loctite.de

BR00.45-Z-1046-04A

Cleaning spray, Loctite 7063 (150ml)

A 001 986 71 71 10