Mercedes-Benz: engine M272, M273. Manual — part 4

8

Remove bolts (5) and place low-temperature Model 212.057
circuit shutoff valve (Y125) to one side with
lines connected

*BA01.30-P-1019-01O

9

Remove bolts (6a), loosen bolt (6b) and

Model 212.057

swivel holder to the side

*BA01.30-P-1018-01O

10

Disconnect electrical connectors on right
intake camshaft solenoid (Y49/5) and right
exhaust camshaft solenoid (Y49/7)

11

Disconnect electrical connectors on right
intake camshaft Hall sensor (B6/5) and right
exhaust camshaft Hall sensor (B6/7)

12

Remove bolts (4a, 7 pieces) from front cover

Installation:

Check seating of the seal

(4)

for the oil dipstick guide tube in the oil pan
to avoid oil leakage.

*BA01.30-P-1006-01O

*BA01.45-P-1006-01M

13

Carefully loosen front cover (4) on lifting lugs

Pay attention to fitted sleeves in area of

(4b) and detach from the front

outer threaded connections (arrows).

Installation: Apply sealant to front cover

(4).

Notes on sealant path for front cover to

AH01.30-P-1000-02V

cylinder head

*112589002500

Loctite sealant 5970

*BR00.45-Z-1013-01A

Clean

14

Clean sealing surfaces on front cover (4), on

AR01.00-P-0050-01A

Do not use any sharp-edged tools or

cylinder head cover and on cylinder head

abrasive paper as this will damage the
sealing surfaces.
Loctite 7200

*BR00.45-Z-1038-04A

Cleaning spray, Loctite 7063 (150ml)

*BR00.45-Z-1046-04A

15

Detach right intake camshaft Hall sensor

When replacing the front cover (4)

(B6/5) and right exhaust camshaft Hall
sensor (B6/7) from front cover (4)

*BA15.10-P-1002-03E

16

Detach right intake camshaft solenoid

When replacing the front cover (4)

(Y49/5) and right exhaust camshaft solenoid
(Y49/7) from front cover (4)

*BA15.10-P-1003-03E

17

Install in the reverse order

Checking

Risk of accident

Secure vehicle to prevent it from moving by

Danger!

caused by vehicle starting

AS00.00-Z-0005-01A

off by itself when engine is running. Risk of itself.
injury

Wear closed and snug-fitting work clothes.

caused by contusions and burns

during starting procedure or when working

Do not touch hot or rotating parts.

near the engine as it is running

18

Conduct engine test run and check engine
for leaks

Cylinder head

Number

Designation

Engine

Engine

272

273

Bolt, front cover to cylinder head

M6

Nm

9

9

BA01.30-P-1006-01O

Bolt, switchover valve bracket to cylinder head

M6

Nm

9

9

BA01.30-P-1009-01O

Bolt, NT circuit coolant line bracket to cylinder head

Nm

9

-

BA01.30-P-1018-01O

or cylinder head front cover

Bolt, shutoff valve bracket to cylinder head

Nm

9

-

BA01.30-P-1019-01O

Oil pan

Страница 2 из 3

© Daimler AG, 07.04.13, G/07/14, ar01.30-p-5700ewr, Remove/install front cover on cylinder head
ENGINES 272, 273 in MODEL 212 Front cover at right cylinder head

Number

Designation

Engine 272

Engine 273

BA01.45-P-1006-01M

Mounting bolt for oil dipstick guide tube

Nm

9

9

Position sensor

Number

Designation

Engine

Engine

272

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

Nm

8

8

to cylinder head

112 589 00 25 00

Squeeze gun

Repair materials

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 Mьnchen
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

Страница 3 из 3

© Daimler AG, 07.04.13, G/07/14, ar01.30-p-5700ewr, Remove/install front cover on cylinder head
ENGINES 272, 273 in MODEL 212 Front cover at right cylinder head

AR01.20-P-2100EWS

Remove/install centrifuge

21.9.10

ENGINES 272, 273 in MODEL 212

1

Crankcase ventilation hose

2

Centrifuge cover

2a

Screw

2b

Gasket

2c

Radial shaft seal

2d

Dowel pins

3

Centrifuge

3a

Screw

P01.20-2131-06

Remove/install

1

Remove air filter housing

AR09.10-P-1150EWS

2

Detach hose (1) at centrifuge cover (2)

3

Remove bulkhead between wheel wells

Engine 272.983

Installation:

Ensure that rubber strips

are seated correctly on bulkhead.

4

Unscrew bolts (2a, 4 each) and remove

Intercept engine oil that flows out with an

centrifuge cover (2)

absorbent rag.

Installation:

Check seal (2b) and radial

shaft sealing ring (2c) for wear and damage
and replace centrifuge cover (2) if
necessary.
The fitted pins (2d) determine the installation
position of the centrifuge cover (2).

*BA01.20-P-1001-01L

5

Remove bolt (3a) and remove the centrifuge

Left-hand thread

(3)

*BA01.20-P-1002-01L

6

Install in the reverse order
Checking

Risk of accident

Secure vehicle to prevent it from moving by

Danger!

caused by vehicle starting

AS00.00-Z-0005-01A

off by itself when engine is running. Risk of itself.
injury

Wear closed and snug-fitting work clothes.

caused by contusions and burns

during starting procedure or when working

Do not touch hot or rotating parts.

near the engine as it is running

7

Carry out an engine test run and check
engine for leaks

8

Check engine oil level
Engine oil and filter change

AP18.00-P-0101EW

Crankcase ventilation, cylinder head cover

Number

Designation

Engine

Engine

272

273

BA01.20-P-1001-01L

Bolt, centrifuge cover to cylinder head/cylinder

Stage 1

Nm

6

6

head cover

Страница 1 из 2

© Daimler AG, 07.04.13, G/07/14, ar01.20-p-2100ews, Remove/install centrifuge
ENGINES 272, 273 in MODEL 212

°

Stage 2

90

90

BA01.20-P-1002-01L

Bolt, centrifuge to camshaft sprocket

Stage 1

Nm

6

6

°

Stage 2

90

90

Страница 2 из 2

© Daimler AG, 07.04.13, G/07/14, ar01.20-p-2100ews, Remove/install centrifuge
ENGINES 272, 273 in MODEL 212