Remove/install front axle carrier

AR33.10-P-0001AK

Remove/install front axle carrier

6.5.11

 

Remove/install

1

Secure vehicle on vehicle lift

AR00.60-P-0100AK

2

Remove front wheels



Remove/install wheels, rotate if necessary

AP40.10-P-4050AK

3

Remove sheet metal screw (4) and plastic nuts (1, 5) from left and right fender liner (3)

4

Pull expansion clips (2) from left and right fender liner (3) and fold left and right fender liner (3) downward

5

Remove air filter housing

Engine 266

AR09.10-P-1050AK

Engine 640

AR09.10-P-1150AL

6

Turn steering gear to center position

AR46.20-P-0500-01AK



*203589043103

7

Fix steering wheel in position using the retainer.

 The steering wheel must not be turned when the steering coupling is detached, otherwise the clock spring contact will be destroyed.



*129589012100

8

Unscrew bolt of steering coupling (6) and separate steering coupling (6)

Separation when steering coupling (6) is not corroded.

AR46.10-P-8000-01AK



*BA46.10-P-1001-01H

Grease

*BR00.45-Z-1006-06A

Separation of a corroded steering coupling (6) only on left-hand drive vehicles up to chassis number 160000 (on model 169) or up to chassis number 008500 (on model 245).

AR46.10-P-8000-01AL



*BA46.10-P-1001-01H



*203589023300

Grease

*BR00.45-Z-1006-06A

9

Replace steering gear

Only when steering shaft has been cut open due to a corroded steering coupling (6).

AR46.10-P-7300AK

10

Disconnect steering assist control unit (ES) connector 1 (N68x1) and steering assist control unit (ES) connector 2 (N68x2) from electric power steering (ES) control unit (N68)

11

Unclip clip (7) from steering gear

12.1

Remove lower engine compartment paneling

On vehicles with engine 266 and code (484) Rough road package

AR61.20-P-1105AL

On vehicles with engine 266 without code (484) Rough road package

AR61.20-P-1105AM

12.2

Remove bottom section of soundproofing

On vehicles with engine 640

AR94.30-P-5300AK

13

Remove front bumper

On model 169

AR88.20-P-2000AK

14

Secure radiator

AR20.20-P-3865-07AK



*169589004000

15

Detach coolant expansion reservoir and place to the side with coolant lines connected

Engine 266

AR20.30-P-4950AK

Engine 640

AR20.30-P-4950AL

16

Lift up engine with engine bridge

 Lift engine until front engine mounts, left rear engine mount (14) and right rear engine mount (15) are no longer loaded by weight of engine.

Engine 640

AR22.10-P-1260-01AK



*BA32.25-P-1002-04J



*169589006100

Engine 266

AR22.10-P-1260-01AL



*BA32.25-P-1002-04J



*169589006100

17

Drain coolant at radiator

Engine 640

AR20.00-P-1142AL

18

Detach coolant hose on the front axle carrier

Engine 640

19

Detach bracket of level sensor from stabilizer bar (17)

Only on vehicles with code (614) Bi-xenon headlamp unit or code (615) Bi-xenon headlamp unit with integrated curve illumination

20

Detach stabilizer bar (17) from front axle carrier (11) and secure to prevent it from falling

 Use suitable cable ties to prevent stabilizer bar (17) from falling.

See 

Remove/install stabilizer bar on front axle

AR32.20-P-0300AK

21

Detach tie rod from steering knuckle

AR33.25-P-0400-14AK



*BA46.40-P-1001-01J



*171589003400



*221589003300



*163589034300

22

Place rag between transverse control arm (18) and front axle carrier (11)

 To prevent damage to the corrosion protection layer of the front axle carrier (11) and the transverse control arm (18). Rectify damage if necessary with a wax preservative.

Preservation agent

*BR00.45-Z-1003-05A

23

Remove flange ball joint (20) from transverse control arm (18)

 Mark contour of flange ball joint on transverse control arm.

 Installation: Align flange ball joint accurately with the marked contour on the transverse control arm.



*BA33.15-P-1002-01E

24

Position support fixture with transmission jack on front axle carrier (11)



*169589016200

25

Set up second transmission jack at oil pan of engine and raise until left rear engine mount (14) and right rear engine mount (15) are relieved of load.

 Use a suitable wooden support, otherwise oil pan could be damaged.

Ensure that the transmission jack is securely positioned to prevent it from slipping.

26

Remove bolts (13) of left rear engine mount (14) and right rear engine mount (15)



*BA22.10-P-1004-01T

27

Unscrew nuts (10) from front engine mount



*BA22.10-P-1001-01T

28

Remove bolts (12) from front axle carrier (11)

 Installation: First fit all the screws (12), then tighten.



*BA33.10-P-1001-01G

29

Lower front axle carrier (11) with support fixture and transmission jack

 Move the front axle carrier (11) out and in carefully otherwise the steering gear and detachable parts may be damaged.

 Only on engine 640: Move out coolant hose between steering gear and front axle carrier (11).

 Installation: When moving in front axle carrier (11), make sure that flange joints (20) of transverse control arms (18) are inserted into steering knuckles.

Guide pins of front axle carrier (11) must be inserted into centering bores in body.

Helper required



*169589016200

30

Screw engine supports (16) securely to attachment points of left rear engine mount (14) and right rear engine mount (15) on engine and body

 Installation: When supporting the engine with the second transmission jack, use a suitable wooden support otherwise there is a risk of damaging the oil pan.



*169589006100

31

Detach transverse control arm (18) from front axle carrier (11)

When replacing

front axle carrier (11).

 Install new self-locking nuts.



*BA33.15-P-1001-01E

32

Detach and remove rack-and-pinion steering from front axle carrier (11)

When replacing

front axle carrier (11).

 Install new bolts and self-locking nuts.



*BA46.20-P-1001-01I

33

Remove left rear engine mount (14) and right rear engine mount (15) from front axle carrier (11)

When replacing the front axle carrier
(11).

 See:

Remove/install rear engine mount

Engine 266

AR22.10-P-1160AK

Engine 640

AR22.10-P-1160AL

34

Install in the reverse order

35

Perform wheel alignment check

AR40.20-P-0200AK

Number

Designation

Engine
640 in model 169

Engine
266 in model 169

BA22.10-P-1001-01T

Nut, front engine mount to front axle carrier

Nm

55

55

BA22.10-P-1004-01T

Bolt, rear engine mount to engine support

Nm

80

80

Number

Designation

Engine
266 in model 245

Engine
640 in model 245

BA22.10-P-1001-01T

Nut, front engine mount to front axle carrier

Nm

55

55

BA22.10-P-1004-01T

Bolt, rear engine mount to engine support

Nm

80

80

Number

Designation

Model
169

Model
245

BA32.25-P-1002-04J

Bolt, suspension strut to suspension strut dome

Stage 1

Nm

20

20

Stage 2

°

45

45

Number

Designation

Model
169

Model
245

BA33.10-P-1001-01G

Bolt, front-axle carrier to body

M10

Nm

-

-

M12

Nm

130

130

Number

Designation

Model
169

Model
245

BA33.15-P-1001-01E

Bolt, transverse control arm to front axle carrier

Stage 1

Nm

120

120

Stage 2

°

90

90

BA33.15-P-1002-01E

Nut, flange ball joint to transverse control arm

Nm

55

55

Number

Designation

Model
169

Model
245

BA46.10-P-1001-01H

Clamp screw, steering coupling to rack-and-pinion steering

Nm

20

20

Number

Designation

Model
169

Model
245

BA46.20-P-1001-01I

Bolt, rack-and-pinion steering to front axle carrier

Stage 1

Nm

40

40

Stage 2

°

90

90

Number

Designation

Model
169

Model
245

BA46.40-P-1001-01J

Self-locking nut, tie rod to steering knuckle

Nm

60

60

Number

Designation

Order number

BR00.45-Z-1003-05A

Cavity sealant, solvent-free (1 l container)

A 000 986 72 70 05

BR00.45-Z-1006-06A

Anticorrosion grease 40 g / DB supply specification 6834.00

A 001 989 37 51 10