Remove/install front axle - AR33.10-P-0100GQ

MODEL 166 with ENGINE 157, 276, 278, 642, 651 

17.9.13

Bolt, brake pad contact sensor to brake caliper

MODEL 166 (except 166.074/874)

BA42.10-P-1004-10L

Shown on model 166.057 

Shown on model 166.024 

Shown on model 166.057 

Shown on model 166.024 

	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  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
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Notes on active roll stabilization		AH32.34-P-0001-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on AIRmatic		AH32.22-P-1000-02GZ
	Evaluating steering gear when repairing accident vehicles		AH46.20-P-9409-01A
1	Secure vehicle on the vehicle lift and raise until the wheels are clear of the ground		AR00.60-P-1000GZ
2	Empty AIRmatic using STAR DIAGNOSIS	MODEL 166 with CODE 489 (Airmatic (air suspension with level adjustment and adaptive damping system ADS))
			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	Detach steering coupling at the firewall		AR46.10-P-8000GQ
4	Detach ground line from battery		AR54.10-P-0003GZ
	Notes on battery		AH54.10-P-0001-01A
5	Attach engine hoist		AR33.10-P-0105EW
6	Extract oil from expansion reservoir of Active Roll Stabilization	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)
		Hand pump	Fig 5
7	Unclip bleed hose (2) on heat shield
8	Remove underfloor paneling concerned		AR61.30-P-1001GQ
9	Remove both fender liners in front fenders		AR88.10-P-1300GQ
10	Detach front engine mounts on front axle carrier	MODEL 166 with ENGINE 157	AR22.10-P-1260MLZ
		Remove/install front engine mount and/or engine support MODEL 166 with ENGINE 276.8	AR22.10-P-1260GQC
		MODEL 166 with ENGINE 276.9	AR22.10-P-1260GQ
		MODEL 166 with ENGINE 278	AR22.10-P-1260MLJ
		MODEL 166 with ENGINE 642	AR22.10-P-1260OGR
		MODEL 166 with ENGINE 651	AR22.10-P-1260GQA
11	Detach cable duct (3) from front axle carrier
12	Unlock and disconnect electrical connections (4) on electrical power steering control unit (N68)
13	Remove active roll stabilization valve support	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)	AR32.34-P-5030GQA
14	Expose electrical feed lines of the active roll stabilization valve support and attach to cable duct (3)	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)
15	Disconnect left switchable engine mount electrical connection (Y123x1) and right switchable engine mount electrical connection (Y123/1x1) and detach feed lines from front axle carrier and rack-and-pinion steering	MODEL 166 with switchable engine mount
16	Detach brackets (5a, 5b) for oil lines from front axle carrier	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)
17	Detach left and right coolant line (6) from front axle carrier
18	Remove hoses (18) from cooling air ducts (19)	MODEL 166 with cooling air ducts for engine mount
19	Detach clamp (7s)	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)
20	Disconnect line connections (7a, 7b, 7c)	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)
			AR32.00-P-0001-01A
		MODEL 166 with ENGINE 157 with CODE 468 (ACTIVE CURVE SYSTEM) MODEL 166 with ENGINE 276 with CODE 468 (ACTIVE CURVE SYSTEM) MODEL 166 with ENGINE 278 with CODE 468 (ACTIVE CURVE SYSTEM) MODEL 166 with ENGINE 642 with CODE 468 (ACTIVE CURVE SYSTEM)	*BA32.00-P-1007-01A
		Screw/bolt, oil line to oil line	*BA32.34-P-1011-01A
		Assembly cleaner	*BR00.45-Z-1028-04A
		Record plug	Fig 8
21	Remove left front axle RPM sensor (L6/1) and right front axle RPM sensor (L6/2) from steering knuckle (8), unclip feed line from bracket and fasten to suspension strut (9)	Self-locking bolt, front axle RPM sensor to steering knuckle	*BA42.30-P-1001-01G
22	Detach feed line of the right front brake lining wear sensor from brake caliper and steering knuckle (8) and fasten to suspension strut (9)	Screw/bolt, brake pad contact sensor to brake caliper	*BA42.10-P-1004-10L
23	Remove brake pads	MODEL 166 (except 166.074/874) with ENGINE 276, 278, 642, 651	AR42.10-P-1600GQ
		MODEL 166.074/874 with ENGINE 157 Fasten brake caliper on upper transverse control arm.	AR42.10-P-1610GQA
24	Mounting guard plates	Guard plate	Fig 9
25	Detach left and right link rod (10) from torsion bar (11)	Detach link rod (10) carefully, torsion bar (11) is under tension.
		MODEL 166 with CODE 468 (Active driving stability (stability)) MODEL 166 without CODE 468 (Active driving stability (stability))	*BA32.20-P-1002-02Q
26	Detach left and right steering knuckle (8) from upper transverse control arms (12)	Removal:  Secure steering knuckle (8) against folding down.
		Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle	*BA33.20-P-1001-01R
27	Detach left and right suspension strut (9) from lower control arms (13)	Self-locking nut, shock absorber to wishbone	*BA32.25-P-1002-01O
28	Mark position of propeller shaft (14) relative to flange (15) of front axle transmission	Only with 4MATIC To be able to reproduce the original position when installing.
29	Detach propeller shaft (14) from flange (15) and fasten to vehicle	Only with 4MATIC
		Tightening procedure for front propeller shaft 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	Fig 6
31	Detach decoupling element of diesel particulate filter from right centering panel (17)	MODEL 166 with ENGINE 642, 651	*BA49.10-P-1006-01AK
32	Remove bolts (16a, 16b)	Before positioning the bolts (16b), use lifting platform to move the front axle to its final installation position. Do not "pull" front axle into position by tightening the 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
33	Lower front axle	Carefully lower front axle. Do not crush any lines or hoses or subject them to tensile loads. Otherwise damage will occur.
34	Recut and blow out threads for bolts (16b) in frame floor assembly	It is essential to recut and blow out the threads. The threaded connections can otherwise fail.
	Check
35	Check bearings of front axle carrier		AR33.10-P-0040GQ
		Check bearings for wear and damage, replace if necessary.
36	Install in the reverse order
37	Fill and bleed active roll stabilization	MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM)	AR32.34-P-0021GQ
	Check
38	Check oil level in front axle transmission, correct if necessary	Only with 4MATIC
		Filling capacity	*BF33.30-P-1001-03D
		Oil filler screw, front axle transmission	*BA33.30-P-1001-03F
39	Perform wheel alignment check		AR40.20-P-0200GQ
40	Inspect headlamp adjustment, correct if necessary
			AP82.10-P-8260GZA

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 166 without CODE 468 (Active driving stability (stability))	MODEL 166 with CODE 468 (Active driving stability (stability))
BA32.20-P-1002-02Q	Bolt, link rod to stabilizer bar	Stage 1	Nm	80	80
		Stage 2	∠°	90	90

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

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

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

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

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

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

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

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

Number	Designation			MODEL 166 (except 166.074/874)	MODEL 166.074/874
BA42.10-P-1004-10L	Screw/bolt, brake pad contact sensor to brake caliper	M6	Nm	8	8

Number	Designation		MODEL 166
BA42.30-P-1001-01G	Self-locking bolt, front axle RPM sensor to steering knuckle	Nm	8

Number	Designation		ENGINE 642 in MODEL 166	ENGINE 651 in MODEL 166
BA49.10-P-1006-01AK	Nut, rubber mount to exhaust system/centering plate/strut	Nm	20	20

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

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner