Remove/install front axle shafts

AR33.30-P-0620MFC

Remove/install front axle shafts

25.03.2020

Model

118, 177, 247 with transmission 724.0/1

Modification notes

18.11.2019

Special tools, added.

Operation step 7

1

Hub cover

5

Lower control arm

8

Support

2

Screw

6

Bolts

9

Steering knuckle

4

Front axle shaft

7

Front axle shaft intermediate bearing

 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 to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

 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

Topical note

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

AH00.00-P-0020-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Move transmission to neutral position and release the parking brake.

2

Remove left or right wheel and tire assembly.

AR40.10-P-1102MFA

3

Remove lower engine compartment paneling.

Model 118, 177, 247 with engine 654 with transmission 724.1

AR61.20-P-1105MFE

Model 118, 177, 247 with engine 260 with transmission 724.0
Model 118, 177, 247 with engine 260 with transmission 724.1
Model 118, 177, 247 with engine 282 with transmission 724.1
Model 177 with engine 139 with transmission 724.1

AR61.20-P-1105MFA

 Installation: Only install lower engine compartment lining after checking transmission oil level and after running an engine test.

4

Remove front part of left or right front fender liner.

AR88.10-P-1301MFA

5

Remove hub cap (1).

 Do not damage the hub cap (1).

 Removal and installation tool

*116589223300

6

Remove bolt (2).

 Installation:
Do not exceed bolt (2) torque.
Otherwise the angular contact ball bearing will be damaged.

 The aid of a helper is required when unscrewing and tightening the screw (2).

 Installation: Replace bolt (2).

 Bolt, front axle shaft to wheel bearing

*BA33.30-P-1001-02G

7

Unscrew nut of lower transverse control arm (5) from steering knuckle (9) and remove lower transverse control arm (5).


Counterhold the ball head and do not use an impact wrench/driver.
Otherwise, the ball head or steering knuckle (9) will be damaged.

 Model 118, 177, 247.0 with transmission 724.0/1
Commercially available devices/tools
Combination wrench

 Nut, supporting ball joint/transverse control arm to steering knuckle

*BA33.15-P-1005-01F

 Model 247.6/7 with transmission 724.1
Counterholder

*247589004000

 Model 247.6/7 with transmission 724.1
Socket wrench

*247589000900

8

Route front axle shaft (4) out of steering knuckle (9) and secure against falling down.

 Aid of helper required.

 Installation: Spray Teflon coating onto gearing of front axle shaft (4) at left or right to wheel bearing.

Teflon spray, art. No.K007.1

*BR00.45-Z-1041-06A

 Extraction and insertion tool

*210589034300

9

Unscrew screws (6) and remove front axle shaft intermediate bearing (7) from support (8).

If the right front axle shaft (4) is removed.

 Bolt, intermediate shaft bearing cap to engine carrier

*BA33.30-P-1002-02G

10.1

Pull left front axle shaft (4) out of transmission, remove it and seal opening on transmission using suitable stop plug.

If the left front axle shaft (4) is removed.

 Installation:
Do not damage radial shaft sealing ring of front axle shaft (4) when installing.
Otherwise, the transmission will leak.

 Installation: Replace the retaining ring of the left front axle shaft (4).

 Assembly tool

*221589019800

 Impact extractor

*602589003300

 Record plug

*129589009100

10.2

Pull right front axle shaft (4) together with front axle shaft intermediate bearing (7) out of transmission, remove them and seal opening on transmission using suitable stop plug.

If the right front axle shaft (4) is removed.

 Installation:
Do not damage radial shaft sealing ring of front axle shaft (4) when installing.
Otherwise, the transmission will leak.

 Installation: Replace the retaining ring of the right front axle shaft (4).
Aid of helper required.

 Assembly tool

*221589019800

 Impact extractor

*602589003300

 Record plug

*129589009100



Check

11

Check boots of front axle shaft (4) for damage.

If the front axle shaft (4) is to be used again.

If damage is present,



Replace boots of front axle shaft (4).

AR33.30-P-0690MFC

12

Check radial shaft sealing ring of front axle shaft (4) for damage.

If damage is present,



Replace radial shaft sealing ring of front axle shaft (4).

Model 118, 177, 247 with transmission 724.0

AR27.40-P-0211MFC

Model 118, 177, 247 with transmission 724.1

AR27.40-P-0211MFA

13

Install in the reverse order.



Check

14

Check transmission oil level and correct if necessary.

Model 118, 177, 247 with transmission 724.1

AR27.00-P-0104MFA

Model 118, 177, 247 with transmission 724.0

AR27.00-P-0104MFC


Follow the prescribed work procedure exactly and observe the Specifications for Operating Fluids.
Otherwise the transmission may be damaged.

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

15

Perform engine test run and check transmission for proper operation and leak tightness.

16

Install lower engine compartment lining.

Model 118, 177, 247 with engine 654 with transmission 724.1

AR61.20-P-1105MFE

Model 118, 177, 247 with engine 260 with transmission 724.0
Model 118, 177, 247 with engine 260 with transmission 724.1
Model 118, 177, 247 with engine 282 with transmission 724.1
Model 177 with engine 139 with transmission 724.1

AR61.20-P-1105MFA

 Trailing arms, transverse control arms

Number

Designation

Model 118, 177, 247

BA33.15-P-1005-01F

Nut, supporting ball joint/transverse control arm to steering knuckle

M14

Stage 1

Nm

90

Stage 2

°

90

 Front axle shaft

Number

Designation

Model 118, 177, 247

BA33.30-P-1001-02G

Bolt, front axle shaft to wheel bearing

M14

Stage 1

Nm

100

Stage 2

°

45

 Front axle shaft

Number

Designation

Model 118, 177, 247

BA33.30-P-1002-02G

Bolt, intermediate shaft bearing cap to engine carrier

M8

Nm

20

Repair materials

Number

Designation

Order number

BR00.45-Z-1041-06A

Teflon spray, art. No.K007.1

Carl Roth
GmbH & Co KG
Schoemperlenstr. 1-5
76185 Karlsruhe
Germany
Tel. +49 721 5606-0
Fax +49 721 5606-149
www.carl-roth.de