Check and adjust camber and caster at front axle

AR40.20-S-0322P

Check and adjust camber and caster at front axle

26.11.2018

Model

470, 471

Modification notes

04.06.2018

Camber on front axle at vehicle level

BE40.20-N-1002-13PA

26.11.2018

Method extended

Operation step 8

Shown on model 470 without code ZG3 (Engageable all-wheel drive with transmission ratio), left side of vehicle

1a

Cam bolt

1b

Cam bolt

2a

Nut

2b

Nut

Notes on repair work on suspension components

AH00.00-P-0100-01A



Check

1

Observe general information on chassis alignment.

AR40.20-S-0201P

2

Determine vehicle level at front and rear axle.

AR40.20-S-0204-01P

3

Perform chassis alignment.

AR40.20-S-0200P

 Compare toe-in values according to vehicle level with actual values measured during wheel alignment measurement.

4

Check camber using vehicle level and assign to tabular value.

 Compare the specified values of the camber with the actual values from the wheel alignment measurement.

Model 470, 471
except code C2B (Suspension with increased ground clearance)Camber on front axle at vehicle level

*BE40.20-N-1001-13PA

Model 470, 471
with code C2B (Suspension with increased ground clearance)Camber on front axle at vehicle level

*BE40.20-N-1002-13PA

Permissible difference in front axle camber between right and left side of vehicle

*BE40.20-N-1003-13PA

5

Check and adjust caster.

 Compare the specified values of the caster with the actual values from the wheel alignment measurement.

Absolute caster tolerance

*BE40.20-N-1003-20P

Permissible difference in caster between right and left side of vehicle

*BE40.20-N-1002-20P

Caster values, form

*BE40.20-N-1001-20P

Adjust

6

Release nut (2 a) or nut (2 b).

If the actual values for camber or caster are out of tolerance.

7

Lift each axle half and replace cam bolt (1a) and nut (2a) or cam bolt (1b) and nut (2b).

If actual values for camber or caster are outside of tolerance and cam bolt (1a) and nut (2a) or cam bolt (1b) and nut (2b) have not already been replaced during preceding operations.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

8

Lower each axle half.

If cam bolt (1a) and nut (2a) or cam bolt (1b) and nut (2b) were replaced.

9

Adjust camber by turning the cam bolt (1b) to the specified value.

If the actual values for the camber are out of tolerance.

Model 470, 471
except code C2B (Suspension with increased ground clearance)Camber on front axle at vehicle level

*BE40.20-N-1001-13PA

Model 470, 471
with code C2B (Suspension with increased ground clearance)Camber on front axle at vehicle level

*BE40.20-N-1002-13PA

Permissible difference in front axle camber between right and left side of vehicle

*BE40.20-N-1003-13PA

10

Adjust caster by turning cam bolt (1a) to specified value.

If the actual values for the caster are out of tolerance.

Absolute caster tolerance

*BE40.20-N-1003-20P

Permissible difference in caster between right and left side of vehicle

*BE40.20-N-1002-20P

Caster values, form

*BE40.20-N-1001-20P

11

Tighten nut (2 a) or nut (2 b).

If the camber or caster was adjusted.

 Counterhold cam bolt (1 a) or cam bolt (1 b).

 Commercially available devices/tools
Electronic torque wrench / angle tightener

 Bolt/nut, lower control arm to front axle carrier

*BA33.15-N-1001-01P

12

Adjust toe on front axle.

If the camber or caster was adjusted.

AR40.20-S-0323P

Front axle camber

Number

Designation

Model 470, 471 except code C2B

BE40.20-N-1001-13PA

Camber on front axle at vehicle level

510 mm

°

-0° 24' ( 30')

512 mm

°

-0° 21' ( 30')

514 mm

°

­0° 18' ( 30')

516 mm

°

-0° 15' ( 30')

518 mm

°

-0° 12' ( 30')

520 mm

°

-0° 09' ( 30')

522 mm

°

-0° 07' ( 30')

524 mm

°

-0° 04' ( 30')

526 mm

°

-0° 01' ( 30')

528 mm

°

0° 01' ( 30')

530 mm

°

0° 03' ( 30')

532 mm

°

0° 06' ( 30')

534 mm

°

0° 09' ( 30')

536 mm

°

0° 11' ( 30')

538 mm

°

0° 14' ( 30')

Test and adjustment values for caster

Number

Designation

Model 470, 471

BE40.20-N-1001-20P

Caster values, form

See

OF40.20-S-3000-00P

Front axle camber

Number

Designation

Model 470, 471 with code C2B

BE40.20-N-1002-13PA

Camber on front axle at vehicle level

529 mm

°

0° 02' ( 30')

531 mm

°

0° 03' ( 30')

533 mm

°

0° 04' ( 30')

535 mm

°

0° 06' ( 30')

537 mm

°

0° 07' ( 30')

539 mm

°

0° 08' ( 30')

541 mm

°

0° 10' ( 30')

543 mm

°

0° 11' ( 30')

545 mm

°

0° 13' ( 30')

547 mm

°

0° 15' ( 30')

549 mm

°

0° 17' ( 30')

551 mm

°

0° 19' ( 30')

553 mm

°

0° 22' ( 30')

555 mm

°

0° 24' ( 30')

557 mm

°

0° 26' ( 30')

559 mm

°

0° 29' ( 30')

561 mm

°

0° 32' ( 30')

Test and adjustment values for caster

Number

Designation

Model 470, 471

BE40.20-N-1002-20P

Permissible difference in caster between right and left side of vehicle

30'

Front axle camber

Number

Designation

Model 470, 471 except code C2B

Model 470, 471 with code C2B

BE40.20-N-1003-13PA

Permissible difference in front axle camber between right and left side of vehicle

°

 30'

 30'

Test and adjustment values for caster

Number

Designation

Model 470, 471

BE40.20-N-1003-20P

Absolute caster tolerance

30'

 Trailing arms, transverse control arms

Number

Designation

Model 470, 471

BA33.15-N-1001-01P

Bolt/nut, lower control arm to front axle carrier

Nm

200