Remove/Install Front Axle - AR33.10-P-0100GQ

Model 166 with engine 157, 276, 278, 642, 651 

Model 292 with engine 157, 276, 278, 642 

Shown on model 166.057 

Courtesy of MERCEDES-BENZ USA

Shown on model 166.024 

Courtesy of MERCEDES-BENZ USA

Shown on model 166.057 

Courtesy of MERCEDES-BENZ USA

Shown on model 166.024 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning  from swallowing hydraulic fluid.	Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on active roll stabilization	Model 166 with engine 157, 276, 278, 642, 651 with code 468 (ACTIVE CURVE SYSTEM) Model 166 with engine 157, 276, 278, 642, 651 with code 468 (Active driving stability (stability)) Model 292 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM)	AH32.34-P-0001-01A
	Evaluating steering gear when repairing accident vehicles		AH46.20-P-9409-01A
	Notes on AIRmatic	Model 166 with engine 157, 276, 278, 642, 651 with code 489 (AIRMATIC) Model 292 with engine 157, 276, 278, 642 with code 489 (AIRMATIC)	AH32.22-P-1000-02GZ
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Remove/install
1	Secure vehicle on vehicle lift and raise until wheels are clear of ground.		AR00.60-P-1000GZ
2	Connect vehicle diagnosis system and vent AIRMATIC.
		Model 166 with engine 157, 276, 278, 642, 651 with code 489 (AIRMATIC) Model 292 with engine 642 with code 489 (AIRMATIC)	AD00.00-P-2000-04A
		Empty and fill the AIRMATIC as per the specifications; the complete wheels must not be touching the ground. The air springs can otherwise be damaged and fail later.
3	Remove steering coupling from firewall.		AR46.10-P-8000GQ
4	Attach engine support fixture.		AR33.10-P-0105EW
5	Extract oil from expansion reservoir of active roll stabilization.	Model 166 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM)
		Hand pump	Fig 1
6	Unclip vent hose (2) from heat shield.
7	Remove underfloor panels.		AR61.30-P-1001GQ
8	Remove both fender liners in fenders.		AR88.10-P-1321GQC
9	Remove front engine mount from front axle carrier.	Model 166, 292 with engine 157, 278	AR22.10-P-4330MLJ
		Model 166 with engine 276.8	AR22.10-P-4330GQC
		Model 166 with engine 276.9	AR22.10-P-1260GQ
		Model 166, 292 with engine 642	AR22.10-P-1260OGR
		Model 166 with engine 651	AR22.10-P-1260GQA
10	Remove cable duct (3) from front axle carrier.
11	Release and disconnect electrical connectors (4) from electrical power steering control unit (N68).
12	Remove valve support from active roll stabilization.	Model 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)	AR32.34-P-5031GQC
		Model 166 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM)	AR32.34-P-5030GQA
13	Expose electric feed lines of active roll stabilization valve support and attach to cable duct (3).	Model 166, 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)
14	Disconnect electrical connector for left switchable engine mount (Y123x1) and electrical connector for right switchable engine mount (Y123/1x1), and remove feed lines from front axle carrier and rack-and-pinion steering.	Model 166, 292 with engine 642 If installed.
15	Remove holders (5a, 5b) of oil lines from front axle carrier.	Model 166, 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)
16	Remove coolant line (6) at left and right of front axle carrier.
17	Detach hoses (18) from cooling air ducts (19).	Model 166, 292 with engine 642
18	Remove clamp (7s).	Model 166, 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)
19	Disconnect connection fittings (7a, 7b, 7c) and seal openings with stop plugs.	Model 166 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM) Model 292 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM)
			AR32.00-P-0001-01A
		Screw/bolt, oil line to rotary actuator on front axle/rear axle	*BA32.34-P-1007-01A
		Screw/bolt, oil line to valve block on front axle/rear axle	*BA32.34-P-1008-01A
		Bolt, hydraulic line to hydraulic pump	*BA32.00-P-1006-01A
		Bolt, mounting plate to distributor hydraulic line	*BA32.00-P-1007-01A
		Screw/bolt, oil line to oil line	*BA32.34-P-1011-01A
		Assembly cleaner	*BR00.45-Z-1028-04A
		Detaching tool	Fig 4
		Detaching tool	Fig 3
		Record plug	Fig 6
20	Remove left front axle rpm sensor (L6/1) and right front axle rpm sensor (L6/2) from steering knuckle (8), unclip feed line from holder and attach to suspension strut (9).	Self-locking bolt, rpm sensor on front axle to steering knuckle	*BA42.30-P-1001-01G
21	Remove feed line of front right Brake pad wear sensor from brake caliper and steering knuckle (8) and attach to suspension strut (9).	Bolt, brake pad contact sensor to brake caliper	*BA42.10-P-1004-10L
22	Remove brake pads.	Model 166 (except 166.074/874) with engine 276, 278, 642, 651 Model 292 with engine 642	AR42.10-P-1600GQ
		Model 166.074/874 with engine 157	AR42.10-P-1610GQA
		Fasten brake caliper at upper transverse control arms (12).
23	Attach guard plates.	Guard plate	Fig 5
24	Remove left and right shift rail (10) from torsion bar (11).	Remove shift rail (10) carefully; torsion bar (11) is under tension.
		Bolt, link rod to torsion bar	*BA32.20-P-1002-02Q
25	Remove left and right steering knuckles (8) from upper transverse control arms (12).	Removal: Secure steering knuckle (8) against falling down.
		Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle	*BA33.20-P-1001-01R
26	Remove left and right suspension strut (9) from lower control arm (13).	Self-locking nut, shock absorber to wishbone	*BA32.25-P-1002-01O
27	Mark position of propeller shaft (14) relative to flange (15) of front axle differential.	If installed.
		To be able to reproduce the original position when installing.
28	Remove propeller shaft (14) from flange (15) and attach to vehicle.	If installed.
		Tightening procedure for front propeller shaft. Model 166 (except 166.006/058) with engine 157, 276, 278, 642, 651 Model 292 with engine 642 Observe tightening procedure. Otherwise vibrations and noise can occur.	AR41.10-P-0070-03GZ
		Self-locking bolt, drive shaft to transfer case (to front axle)	*BA41.10-P-1003-01F
		Self-locking bolt, drive shaft to front axle gear	*BA41.10-P-1004-01F
		Retainer wrench	Fig 2
29	Support front axle using lifting platform and secure against falling down.
	000 588 03 62 00 Lifting platform		WS01.00-P-0091A
30	Remove decoupling element of diesel particulate filter from right centering panel (17)	Model 166 (except 166.006/058) with engine 642, 651 Model 292 with engine 642
		Model 166 (except 166.006/058) with engine 642, 651 Model 292 with engine 642. Nut, exhaust rubber mount to exhaust system/centering plate/strut	*BA49.10-P-1006-01AK
31	Remove bolts (16a, 16b).	Before positioning the screws/bolts (16b), use lifting platform to move the front axle to its final installation position. Do not bring front axle into position by tightening the screws/bolts (16b). The threaded connections can otherwise fail. Before tightening the bolts (16a, 16b), use a drift set to center centering panels (17).
		Bolt, front axle carrier to longitudinal member	*BA33.10-P-1001-01I
		Bolt, stiffening plate to longitudinal member	*BA33.10-P-1002-01I
		Bolt, stiffening plate to body	*BA33.10-P-1003-01I
		Drift set	Fig 7
32	Lower front axle.	Carefully lower front axle. Do not crush any lines or hoses or subject them to tensile loads. Otherwise damage will occur.	AR33.10-P-0101GQ
33	Recut and blow out thread for bolts (16b) in frame floor assembly.	Always recut and blow out thread. The threaded connections can otherwise fail.
	Check
34	Check bearings of front axle carrier for wear and damage, and replace if necessary.		AR33.10-P-0040GQ
35	Install in the reverse order.
36	Fill and bleed active roll stabilization.	Model 166 with engine 157, 276, 278, 642 with code 468 (ACTIVE CURVE SYSTEM) Model 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)	AR32.34-P-0021GQ
	Check
37	Check oil level in front axle differential and correct, if necessary.	Model 166 (except 166.006/058) with engine 642, 651 Model 292 with engine 642
		Filling capacity	*BF33.30-P-1001-03D
		Front axle transmission filling screw	*BA33.30-P-1001-03F
38	Perform chassis alignment.		AR40.20-P-0200GQ
39	Check headlamp adjustment and correct if necessary.
		Model 166 with engine 157, 276, 278, 642, 651 as of model year 2016 Model 292 with engine 157, 276, 278, 642	AP82.10-P-8260I
		Model 166 with engine 157, 276, 278, 642, 651	AP82.10-P-8260GZA
		up to model year 2016

Number	Designation		Model 166 with engine 157	Model 166 with engine 276
BA32.00-P-1006-01A	Bolt, hydraulic line to hydraulic pump	Nm	9	10

Number	Designation		Model 166 with engine 278	Model 166 with engine 642
BA32.00-P-1006-01A	Bolt, hydraulic line to hydraulic pump	Nm	9	10

Number	Designation		Model 292 with engine 157	Model 292 with engine 276
BA32.00-P-1006-01A	Bolt, hydraulic line to hydraulic pump	Nm	9	10

Number	Designation		Model 292 with engine 278	Model 292 with engine 642
BA32.00-P-1006-01A	Bolt, hydraulic line to hydraulic pump	Nm	9	10

Number	Designation		Model 166 with engine 157	Model 166 with engine 276
BA32.00-P-1007-01A	Bolt, mounting plate to distributor hydraulic line	Nm	8	8

Number	Designation		Model 166 with engine 278	Model 166 with engine 642
BA32.00-P-1007-01A	Bolt, mounting plate to distributor hydraulic line	Nm	8	8

Number	Designation		Model 292 with engine 157	Model 292 with engine 276
BA32.00-P-1007-01A	Bolt, mounting plate to distributor hydraulic line	Nm	8	8

Number	Designation		Model 292 with engine 278	Model 292 with engine 642
BA32.00-P-1007-01A	Bolt, mounting plate to distributor hydraulic line	Nm	8	8

Number	Designation			Model 166 except code 468 (ACTIVE CURVE SYSTEM)	Model 166 with code 468 (ACTIVE CURVE SYSTEM)
BA32.20-P-1002-02Q	Bolt, link rod to torsion bar	Stage 1	Nm	80	80
		Stage 2	∠°	90	90

Number	Designation			Model 292 except code 468 (ACTIVE CURVE SYSTEM)	Model 292 with code 468 (ACTIVE CURVE SYSTEM)
BA32.20-P-1002-02Q	Bolt, link rod to torsion bar	Stage 1	Nm	80	80
		Stage 2	∠°	90	90

Number	Designation			Model 166	Model 292
BA32.25-P-1002-01O	Self-locking nut, shock absorber to wishbone	Stage 1	Nm	100	100
		Stage 2	∠°	180	180

Number	Designation		Model 166	Model 292
BA32.34-P-1007-01A	Screw/bolt, oil line to rotary actuator on front axle/rear axle	Nm	20	20

Number	Designation		Model 166	Model 292
BA32.34-P-1008-01A	Screw/bolt, oil line to valve block on front axle/rear axle	Nm	20	20

Number	Designation			Model 166	Model 292
BA32.34-P-1011-01A	Screw/bolt, oil line to oil line	M8	Nm	20	20

Number	Designation			Model 166	Model 292
BA33.10-P-1001-01I	Bolt, front axle carrier to M14X1.5 longitudinal member	Stage 1	Nm	100	100
		Stage 2	∠°	120	120
		Stage 3	∠°	-180	-180
		Stage 4	Nm	100	100
		Stage 5	∠°	90	90

Number	Designation			Model 166	Model 292
BA33.10-P-1002-01I	Bolt, stiffening plate to longitudinal member	M10	Nm	60	60

Number	Designation			Model 166	Model 292
BA33.10-P-1003-01I	Bolt, stiffening plate to body	M8	Nm	20	20
		M10	Nm	-	-

Number	Designation			Model 166	Model 292
BA33.20-P-1001-01R	Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle	Stage 1	Nm	100	100
		Stage 2	∠°	45	45

Number	Designation		Model 166	Model 292
BA33.30-P-1001-03F	Front axle transmission filling screw	Nm	35	35

Number	Designation			Model 166	Model 292
BA41.10-P-1003-01F	Self-locking bolt, drive shaft to transfer case (to front axle)	Stage 1	Nm	40	40
		Stage 2	∠°	90	90

Number	Designation			Model 166	Model 292
BA41.10-P-1004-01F	Self-locking bolt, drive shaft to front axle gear	Stage 1	Nm	40	40
		Stage 2	∠°	90	90

Number	Designation			Model 166	Model 292
BA42.10-P-1004-10L	Bolt, brake pad contact sensor to brake caliper	M6	Nm	8	8

Number	Designation		Model 166	Model 292
BA42.30-P-1001-01G	Self-locking bolt, rpm sensor on front axle to steering knuckle	Nm	8	10

Number	Designation		Engine 642 in model 166	Engine 642 in model 292
BA49.10-P-1006-01AK	Nut, exhaust rubber mount to exhaust system/centering plate/strut	Nm	20	20

Number	Designation		Engine 651 in model 166
BA49.10-P-1006-01AK	Nut, exhaust rubber mount to exhaust system/centering plate/strut	Nm	20

Number	Designation			Model 166	Model 292
BF33.30-P-1001-03D	Filling capacity	Front axle gear	Liter	0, 8	0, 8
		Overview of axle gear oils		BB00.40-P-0231-01A	BB00.40-P-0231-01A
		Approved axle gear oils		BB00.40-P-0235A	BB00.40-P-0235A

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	A 000 986 56 01