Remove/install front engine mount

AR22.10-P-4330MRM

Remove/install front engine mount

05.03.2020

Engine

274.9 in model 167

View of engine from above

1.1

Right engine mount

4

Screw

7

Screw

1.2

Left engine mount

5

Screw

8

Screw

2

Screw

6

Screw

9

Screw

3

Screw

View of engine from side

1.1

Right engine mount

1.2

Left engine mount

2

Screw

3

Screw

4

Screw

5

Screw

6

Screw

7

Screw

8

Screw

9

Screw

View of engine from below

1.1

Right engine mount

4

Screw

7

Screw

1.2

Left engine mount

5

Screw

8

Screw

3

Screw

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

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

AS00.00-Z-0009-01A

 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 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 self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Disconnect ground line from on-board electrical system battery.

AR54.10-P-0003ME

2

Remove air filter housing.

AR09.10-P-1150MRM

3

Remove the catalytic converter.

AR49.20-P-0100MRM

4

Remove heat shield of the catalytic converter.

AR49.20-P-0100-01MRM

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

 Bolt, heat shield to engine support

*BA22.10-P-1003-02A

5

Remove charge air cooler.

AR09.41-P-0105MRM

6

Remove charge-air distributor.

AR09.41-P-8683MRM

7

Mount engine support fixture.

AR01.10-P-2400-18MSC

 Adaptation of engine lifting device

*642589006100

 Mount

*240589006110

 Adaptation plates

*240589003200

 Adapter kit

*240589013100

 Engine lifting device

*240589006100

 Adaptation

*167589006200

 Engine hoist

*205589006100

8

Remove screws (2, 6).

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Bolt, front engine mount to engine support

*BA22.10-P-1002-03G

9

Remove screw (9).

 Screw/bolt, front engine mount to front axle carrier

*BA22.10-P-1001-03G

10

Raise vehicle.

11

Remove screws (3, 4, 5, 7, 8).

 Screw/bolt, front engine mount to front axle carrier

*BA22.10-P-1001-03G

12

Lower vehicle.

13

Lift engine until load is relieved from right engine mount (1.1) and left engine mount (1.2).


Observe detachable parts. Do not kink, crush, or subject lines and hoses to tension.
This causes damage and can impair the function and leak tightness.

 Helper required.

 Installation: Position screws (2, 3, 4, 5, 6, 7, 8, 9) before subjecting to load.

14

Remove right engine mount (1.1) and left engine mount (1.2).

 Helper required.

 Installation: Observe guides on right engine mount (1.1) and left engine mount (1.2).



Check

15

Check right engine mount (1.1) and left engine mount (1.2) for damage and wear.

If there is a problem,



Replace right engine mount (1.1) and left engine mount (1.2).

 Installation: Always replace right engine mount (1.1) and left engine mount (1.2) in pairs.

16

Install in the reverse order.

 Engine mount, engine support (engine side)

Number

Designation

Model 167

BA22.10-P-1001-03G

Screw/bolt, front engine mount to front axle carrier

Nm

30

 Engine mount, engine support (engine side)

Number

Designation

Model 167

BA22.10-P-1002-03G

Bolt, front engine mount to engine support

Stage 1

Nm

85

Stage 2

°

90

 Engine support (engine side)

Number

Designation

Engine 274

BA22.10-P-1003-02A

Bolt, heat shield to engine support

Nm

10