Remove/install front engine mount and/or engine support

AR22.10-P-1260FH

Remove/install front engine mount and/or engine support

17.10.2016

Engine

276.9 in model 204 with transmission 722.9 (except 722.96)

Engine

276.9 in model 207 with transmission 722.9 (except 722.96)

3

Heat shield

4

Screw/bolt

5

Screw/bolt

6

Screw/bolt

7

Engine mount

8

Engine support

9

Screw/bolt

 

Remove/install

 Danger !

Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.

No parts of the body or limbs should be within the operating area when the components are moving.

AS00.00-Z-0011-01A

 Danger !

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A



Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

1

Remove front engine cover

2

Detach ground line from battery

When removing the right engine support (8)



Notes on battery

AH54.10-P-0001-01A

Engine 276 in model 204without 4MATIC

AR54.10-P-0003CW

Engine 276 in model 207

AR54.10-P-0003EW

3.1

Remove air filter housing with engine air intake duct upstream of air filter

For removing right-hand engine mount (7)

 Screw/bolt, air filter to cylinder head cover

*BA09.10-P-1001-01M

 Screw/bolt, air filter to air intake pipe support brace

*BA09.10-P-1002-01M

3.2

Unclip ME-SFI [ME] control unit and place to one side with connected lines

For removing left-hand engine mount (7)

Remove/install injection system control unit

AR07.08-P-7008FH

4

Remove heat shield (3) above engine mount (7) on engine support (8); to do this remove screw/bolts (4)

 Bolt, heat shield to engine support

*BA22.10-P-1003-02A

5

Mount engine hoist and raise engine slightly

When removing the right engine support (8)

AR33.10-P-0105CW

 Only raise engine sufficiently that the engine mount (7) is not under tension.

6

Remove screw/bolts (5) for engine support (8) on engine mounts (7)

 Bolt, front engine mount to engine support

*BA22.10-P-1001-03E

 Engine mount wrench set

*001589011600

7

Lift engine

 Pay attention when lifting out engine that no cables and lines are damaged and that engine does not lean against the bulkhead.

8

Remove lower engine compartment paneling

Engine 276 in model 204 (except 204.9), 207without 4MATIC

AR61.20-P-1105EW

Engine 276 in model 204.9

AR61.20-P-1105CY

9

Unscrew screw/bolts (6) for engine mounts (7) on front axle carrier

 Bolt, front engine mount to front axle carrier

*BA22.10-P-1002-03E

10

Detach steering coupling on lower steering shaft

For removing left-hand engine mount (7)

AR46.10-P-8000CW

11

Remove engine mount (7) downwards

 Installation: For assembly the engine mount (7) always ensure that a correct installation position engine mount (7) in pairs.

 Pay attention to environmental protection regulations for disposal of engine mounts (7). Dispose of engine mounts (7) into mixed scrap.

12.1

Remove screw/bolt from A/C compressor at engine support

When removing the left engine support (8)

 Screw/bolt, refrigerant compressor to timing case/crankcase/engine support

*BA83.55-P-1001-01M

12.2

Disconnect electrical connection on alternator

When removing the right engine support (8)

Remove/install alternator

AR15.40-P-5032FH

13

Remove screw/bolt from starter heat shield (3) on engine support (8)

When removing the right engine support (8)

14

Detach engine support (8) on cylinder crankcase and remove; remove screw/bolts (9) to do this

 Bolt, engine support to crankcase

*BA22.10-P-1001-02A

 Set of flexible head wrenches

*001589810900

15

Install in the reverse order

 Air filter

Number

Designation

Engine 276.9

BA09.10-P-1001-01M

Screw/bolt, air filter to cylinder head cover

Nm

9

 Air filter

Number

Designation

Engine 276.9

BA09.10-P-1002-01M

Screw/bolt, air filter to air intake pipe support brace

Nm

9

 Engine support (engine side)

Number

Designation

Engine 276

BA22.10-P-1001-02A

Bolt, engine support to crankcase

Stage 1

Nm

20

Stage 2

°

90

 Engine mount, engine support (engine side)

Number

Designation

Model 204

Model 207

BA22.10-P-1001-03E

Bolt, front engine mount to engine support

M10

Nm

50

50

M12

Stage 1

Nm

-

85

Stage 2

°

-

90

 Engine mount, engine support (engine side)

Number

Designation

Model 204

Model 207

BA22.10-P-1002-03E

Bolt, front engine mount to front axle carrier

M8

Nm

28

28

 Engine support (engine side)

Number

Designation

Engine 276

BA22.10-P-1003-02A

Bolt, heat shield to engine support

Nm

13

 Refrigerant compressor

Number

Designation

Engine 276

BA83.55-P-1001-01M

Screw/bolt, refrigerant compressor to timing case/crankcase/engine support

Nm

20