Removing and installing lower wishbone - AR33.20-P-0510A

MODEL 140

Fig 1: Identifying Lower Wishbone Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Lower Wishbone Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removal, installation
Installation	Replace self-locking bolts and nuts
1	Remove front spring		AR32.20-P-0200B
2	Unscrew locking screws of brake disc and splash shield (arrow)		*BA42.10-P-1002-06A
3	Unscrew nut from supporting joint		*BA33.20-P-1004-01A
4	Screw thrust piece (044a) onto ball pivot of the supporting joint		Figure
5	Press brake disc and brake disc splash shield outwards, press supporting joint out of steering knuckle using puller (044)		Figure
5		Clean tapered connection if necessary	Figure
6	Remove shock absorber (47) from wishbone		*BA32.25-P-1002-01A
7	Remove lower wishbone (4)	Installation: Install eccentric screws from the front towards the back. Tighten nuts in ready-to-drive condition.	*BA33.20-P-1010-01A
8	Unscrew supporting joint nut (7b) on wishbone side		*BA33.20-P-1006-01A
9	Screw thrust piece onto the ball pivot of the supporting joint		Figure
10	Using puller, press supporting joint out of wishbone	Clean tapered connection if necessary	Figure
11	Check supporting joint	Replace if necessary	AR33.20-P-0425A
12	Install in reverse order
13	Perform chassis alignment check	Tighten nuts of lower wishbones in ready-to-drive condition	AR40.20-P-0200A

FRONT AXLE SHOCK ABSORBER

Number	Designation		Model 140
BA32.25-P-1002-01A	Self-locking nut for fastening shock absorber to wishbone	Nm	100

WHEEL LOCATION SYSTEM, HUB

Number	Designation		Model 140
BA33.20-P-1004-01A	Self-locking nut, supporting joint on steering knuckle	Nm	140
BA33.20-P-1006-01A	Self-locking nut, supporting joint on wishbone	Nm	100
BA33.20-P-1010-01A	Self-locking nut of lower wishbones on front axle carrier	Nm	180

BRAKE DISCS, BRAKE SPLASH SHIELD

Number	Designation		Model 140
BA42.10-P-1002-06A	Locking screw of front brake disc	Nm	10

Fig 3: Identifying Puller (140 589 09 33 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Thrust Piece (140 589 00 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Thrust Piece (140 589 24 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.