Adjust caster at front axle

AR40.20-P-0270FR

Adjust caster at front axle

05.11.2018

Model

257

Shown except code M005 (4MATIC) on left strut rod (1a)

1a

Strut rod

1b

Elastomer bearing

A

Positive caster change: +3 mm = +27'

B

Negative caster change: -3 mm = -27'

Shown with code M005 (4MATIC) on left strut rod (1a)

1a

Strut rod

1b

Elastomer bearing

E

Positive caster change: +3 mm = +27'

F

Negative caster change: -3 mm = -27'



Measure

1

Carry out input measurement.

AR40.20-P-0200FR



Check

2

Compare determined values with the specified values.

AR40.20-P-0203FR

Adjust

3

Remove strut rod (1a) from front axle.

Model 257
except code M005 (4MATIC)

AR33.15-P-0160FR

Model 257
with code M005 (4MATIC)

AR33.15-P-0160FRA

4

Install new elastomer bearing (1b) for caster correction.

AR33.15-P-0163-01FR

 Plate

*202589044307

 Extraction and installation tool

*221589004300

 Extraction and insertion tool

*222589034300

5

Install strut rod (1a) on front axle.

Model 257
except code M005 (4MATIC)

AR33.15-P-0160FR

Model 257
with code M005 (4MATIC)

AR33.15-P-0160FRA



Measure

6

Carry out output measurement.

AR40.20-P-0200FR