Remove/install front axle gear - AR33.30-P-0525GQ

MODEL 166 with ENGINE 642

MODEL 166 (except 166.058) with ENGINE 276

MODEL 166 with ENGINE 278

MODEL 166 with ENGINE 651

MODEL 166 with ENGINE 157

Fig 1: Identifying Front Axle Gear Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of the mechanism when the components are moving.	AS00.00-Z-0009-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
1	Mount engine hoist		AR33.10-P-0105EW
2	Secure vehicle on vehicle lift		AR00.60-P-0100GZ
3	Remove underfloor paneling concerned		AR61.30-P-1001GQ
4	Drain oil out of front axle transmission (1)	Filling capacity	*BF33.30-P-1001-03D
		Oil drain screw, front axle gear	*BA33.30-P-1002-03F
		Oil filler screw, front axle transmission	*BA33.30-P-1001-03F
5	Remove front axle shafts		AR33.30-P-0620GQ
6	Mark the position of the propeller shaft (2) relative to the flange (1f) on the front axle transmission (1)	To be able to reproduce the original position when installing components.
7	Detach propeller shaft (2) from front axle transmission (1)		AR41.10-P-0070-03GZ
		Observe tightening procedure. Otherwise vibrations and noise can occur.	AR41.10-P-0070-03GZ
		Self-locking bolt, propeller shaft to front axle gear	*BA41.10-P-1004-01F
		Retainer wrench	Figure
8	Remove active roll stabilization valve support and its bracket	With CODE 468 (Active driving stability (rolling stability))	AR32.34-P-5030GQA
9	Detach front engine mounts on front axle carrier	Bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03G
10	Raise engine
11	Remove vent hose (1e) from front axle transmission (1)	Check vent hose (1e) for damage, replace if necessary.
12	Remove screws/bolts (1s)	Bolt/nut, front axle transmission to front axle carrier	*BA33.30-P-1003-03F
13	Remove front axle gear (1)	Move front axle transmission (1) to the right and lower at left front.
14	Install in the reverse order

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		MODEL 166 with ENGINE 276, 642, 651	MODEL 166 with ENGINE 157, 278
BA22.10-P-1001-03G	Bolt, front engine mount to front axle carrier	Nm	53	53

PROPELLER SHAFT

Number	Designation			MODEL 166
BA41.10-P-1004-01F	Self-locking bolt, propeller shaft to front axle gear	Stage 1	Nm	40
BA41.10-P-1004-01F	Self-locking bolt, propeller shaft to front axle gear	Stage 2	∠°	90

FRONT AXLE GEAR

Number	Designation				MODEL 166
BA33.30-P-1003-03F	Bolt/nut, front axle transmission to front axle carrier	M10	Stage 1	Nm	60
		M10	Stage 2	∠°	45
		M12	Stage 1	Nm	100
		M12	Stage 2	∠°	45

FRONT AXLE GEAR

Number	Designation		MODEL 166
BA33.30-P-1001-03F	Oil filler screw, front axle transmission	Nm	35

FRONT AXLE GEAR

Number	Designation		MODEL 166
BA33.30-P-1002-03F	Oil drain screw, front axle gear	Nm	35

FRONT AXLE GEAR

Number	Designation			MODEL 166
BF33.30-P-1001-03D	Filling capacity	Front axle gear	Liter	0, 8
BF33.30-P-1001-03D	Filling capacity	Specification		Universal hypoid gear oils (specification 235.7). MB 235.7/235.74 FE hypoid gear oil A 001 989 33 03

Fig 2: Identifying Retainer Wrench (164 589 02 07 00)

Courtesy of MERCEDES-BENZ USA