Remove/install front axle carrier - AR33.10-P-0001MCC

MODEL 451.3/4 

Fig 1: Identifying Front Axle Carrier Remove/Install Components

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

14.10.10

Value changed: Bolt, transverse control arm to front axle carrier

*BA33.15-P-1001-01C

	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Remove left and right front wheel	* for USA only	AR40.10-P-1100MCU
		* not for USA	AR40.10-P-1100MCC
2	Remove underfloor panels	Rechargeable drill/screwdriver
3	Unscrew nuts (2) and remove retaining clamps (3) from stabilizer bar (4)	: The retaining clamps (3) are 2-piece Check rubber mount (5) and replace if necessary. : The opening of the rubber mounts (5) must point in the direction of travel. Insert the retaining clamps (3) at a right angle to the stabilizer bar (4). Position the vehicle on its wheels. Only tighten nuts (2) and bolts (9, 10) when the vehicle is unladen (approx. 75 kg weight on the driver seat and a full tank or approx. 20 kg weight in the front passenger area)	*BA32.20-P-1003-02I
			*BA33.15-P-1001-01C
4	Pull stabilizer bar (4) forwards and fold away downwards
5	Remove front bulkhead (6)	The front bulkhead (6) is bolted on with two nuts.
6	Expose electrical line of rpm sensor connector (L6/1x1) at the brake line (7)
7	Using a suitable tool counterhold the left and right link rod (8) and unscrew the bolts (9, 10)	: Screw the bolts (9, 10) all the way in. The bolts on the B-pillar (9, 10) are tightened at a later stage.
8	Loosen link rods (8) on front axle carrier (1) and remove	Replace link rods (8).
9	Loosen left and right transverse control arm (11) on front axle carrier (1)
10	Undo bolts (arrows) of rack-and-pinion steering on front axle carrier (1) from above		*BA46.20-P-1001-01G
11	Support front axle carrier (1) using transmission jack and support removal fixture	Removal fixture Transmission jack	Fig 2
12	Remove bolts (12)	: Screw bolts (12) all the way in, and remove transmission jack with removal fixture. Slide front axle carrier (1) forwards completely and align centrally in this position, then tighten bolts (12).	*BA33.10-P-1001-01D
13	Remove reinforcements (13) from front axle carrier (1)	Observe installation position of reinforcements (13).
14	Lower transmission jack with removal fixture and remove front axle carrier (1)
15	Install in the reverse order
16	Perform wheel alignment check	Depending on the workshop equipment select between the measurement variant with recording the vehicle level or without recording the vehicle level. without recording the vehicle level	AR40.20-P-0200MCC
		with recording the vehicle level	AR40.20-P-0200MCE

FRONT AXLE STABILIZER BAR

Number	Designation		Model 451.3/4
BA32.20-P-1003-02I	Nut, stabilizer bar to retaining clamp	Nm	95

FRONT AXLE CARRIER

Number	Designation		Model 451.3/4 except 451.390/391/490/491	Model 451.391/491
BA33.10-P-1001-01D	Bolt, front-axle carrier to body	Nm	100	100

TRAILING ARMS, WISHBONES

Number	Designation			Model 451.3/4
BA33.15-P-1001-01C	Bolt, wishbone to front axle carrier	Stage 1	Nm	50
		Stage 2	∠°	90

STEERING GEAR

Number	Designation			Model 451.3/4
BA46.20-P-1001-01G	Bolt, rack-and-pinion steering to front axle carrier	Stage 1	Nm	70
		Stage 2	∠ °	-

Fig 2: Identifying Removal Assembly (450 589 02 62 00)

Courtesy of MERCEDES-BENZ USA