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Home >> Mercedes Benz >> 2018 >> GLE550e >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 166 Chassis >> Testing & Repair >> Remove/Install Front Axle - AR33.10-P-0100GQ

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 

G12083190

Shown on model 166.024 

G12083191

Shown on model 166.057 

G12083192

Shown on model 166.024 

G12083193
WARNING 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
WARNING 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   AH32.34-P-0001-01A
  Evaluating steering gear when repairing accident vehicles   AH46.20-P-9409-01A
  Notes on AIRmatic   AH32.22-P-1000-02GZ
  Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVINGINSTALLING Remove/install     
1 Secure vehicle on the vehicle lift and raise until the wheels are clear of the ground   AR00.60-P-1000GZ
2 Connect diagnostic system and empty AIRmatic    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 166 with engine 157, 276, 278, 642, 651
with code 489 (AIRMATIC)
Model 292 with engine 642 with code 489 (AIRMATIC)
NOTES
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.		 AD00.00-P-2000-04A
3 Detach steering coupling at the firewall   AR46.10-P-8000GQ
4 Attach engine hoist   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) Model 292 with engine 642 with code 468 (ACTIVE CURVE SYSTEM)
SPECIAL TOOL Hand pump		 Fig 1
6 Unclip bleed 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 Detach front engine mounts on 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 Detach cable duct (3) from front axle carrier    
11 Unlock and disconnect electrical connections (4) on electrical power steering control unit (N68)    
12 Remove active roll stabilization valve support 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 electrical feed lines of the 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 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, 292 with engine 642 If installed.  
15 Detach brackets (5a, 5b) for oil lines from front axle carrier Model 166, 292 with engine 642
with code 468 (ACTIVE CURVE SYSTEM)		  
16 Detach left and right coolant line (6) from front axle carrier    
17 Remove hoses (18) from cooling air ducts (19) Model 166, 292 with engine 642  
18 Detach clamp (7s) Model 166, 292 with engine 642
with code 468 (ACTIVE CURVE SYSTEM)		  
19 Detach 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
    TORQUE SPECIFICATION Screw/bolt, oil line to rotary actuator on front axle/rear axle *BA32.34-P-1007-01A 
    TORQUE SPECIFICATION Screw/bolt, oil line to valve block on front axle/rear axle *BA32.34-P-1008-01A 
    TORQUE SPECIFICATION Bolt, hydraulic line to hydraulic pump *BA32.00-P-1006-01A 
    TORQUE SPECIFICATION Bolt, mounting plate to distributor hydraulic line *BA32.00-P-1007-01A 
    TORQUE SPECIFICATION Screw/bolt, oil line to oil line *BA32.34-P-1011-01A 
    Assembly cleaner *BR00.45-Z-1028-04A 
    SPECIAL TOOL Detaching tool Fig 4
    SPECIAL TOOL Detaching tool Fig 3
    SPECIAL TOOL 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 bracket and fasten to suspension strut (9) TORQUE SPECIFICATION Self-locking bolt, rpm sensor on front axle to steering knuckle *BA42.30-P-1001-01G 
21 Detach feed line of the right front brake wear sensor from brake caliper and steering knuckle (8) and fasten to suspension strut (9) TORQUE SPECIFICATION Bolt, brake pad contact sensor to brake caliper *BA42.10-P-1004-10L 
22 Remove brake linings 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
IMPORTANT Fasten brake caliper at upper transverse control arms (12).		 AR42.10-P-1610GQA
23 Mounting guard plates 1.3.3 SPECIAL TOOL Guard plate Fig 5
24 Detach left and right shift rails (10) from torsion bar (11) IMPORTANT Remove shift rail (10) carefully; torsion bar (11) is under tension.
TORQUE SPECIFICATION Bolt, link rod to torsion bar		 *BA32.20-P-1002-02Q 
25 Detach left and right steering knuckle (8) from upper transverse control arms (12) IMPORTANTRemoval  : Secure steering knuckle (8) against folding down.
TORQUE SPECIFICATION Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle		 *BA33.20-P-1001-01R 
26 Detach left and right suspension strut (9) from lower control arms (13) TORQUE SPECIFICATION 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 transmission If installed.
IMPORTANT To be able to reproduce the original position when installing.		  
28 Detach propeller shaft (14) from flange (15) and fasten 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 AR41.10-P-0070-03GZ
    INSTALLATION NOTES
Observe tightening procedure.
Otherwise vibrations and noise can occur.		  
    TORQUE SPECIFICATION Self-locking bolt, drive shaft to transfer case (to front axle) *BA41.10-P-1003-01F 
    TORQUE SPECIFICATION Self-locking bolt, drive shaft to front axle gear *BA41.10-P-1004-01F 
    SPECIAL TOOL Retainer wrench Fig 2
29
REFER TO SPECIAL TOOLS		 Support front axle with a lifting platform and secure against falling down 000 588 03 62 00 Lifting platform   WS01.00-P-0091A
30 Detach 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
TORQUE SPECIFICATION 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) INSTALLATION NOTES
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.
INSTALLATION IMPORTANT Before tightening the bolts (16a, 16b), use a drift set to center centering panels (17).
TORQUE SPECIFICATION Bolt, front axle carrier to longitudinal member		 *BA33.10-P-1001-011 
    TORQUE SPECIFICATION Bolt, stiffening plate to longitudinal member *BA33.10-P-1002-011 
    TORQUE SPECIFICATION Bolt, stiffening plate to body *BA33.10-P-1003-011 
    SPECIAL TOOL Drift set Fig 7
32 Lower front axle NOTES
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 threads for bolts (16b) in frame floor assembly NOTES
It is essential to recut and blow out the threads.
The threaded connections can otherwise fail.		  
INSPECT Check     
34 Check bearings of front axle carrier for wear and damage, 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
INSPECT Check     
37 Check oil level in front axle transmission, correct if necessary Model 166 (except 166.006/058) with engine 642, 651
Model 292 with engine 642
FLUID SPECIFICATION Filling capacity		 *BF33.30-P-1001-03D 
    TORQUE SPECIFICATION Front axle transmission filling screw *BA33.30-P-1001-03F 
38 Perform wheel alignment check   AR40.20-P-0200GQ
39
REFER TO MAINTENANCE		 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
REFER TO MAINTENANCE   Model 166 with engine 157, 276, 278, 642, 651 up to model year 2016 AP82.10-P-8260GZA
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
HYDRAULIC PUMP

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
FRONT AXLE TORSION BAR

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
FRONT AXLE TORSION BAR

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
FRONT AXLE SHOCK ABSORBER

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
ACTIVE ROLL STABILIZATION

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
ACTIVE ROLL STABILIZATION

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
ACTIVE ROLL STABILIZATION

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

Number Designation Model 166 Model 292
BA33.10-P-1001-011 Bolt, front axle carrier to longitudinal member M14X1.5 Stage 1 Nm 100 100
Stage 2 ∠° 120 120
Stage 3 ∠° -180 -180
Stage 4 Nm 100 100
Stage 5 ∠° 90 90
FRONT AXLE CARRIER

Number Designation Model 166 Model 292
BA33.10-P-1002-011 Bolt, stiffening plate to longitudinal member M10 Nm 60 60
FRONT AXLE CARRIER

Number Designation Model 166 Model 292
BA33.10-P-1003-011 Bolt, stiffening plate to body M8 Nm 20 20
WHEEL CONTROL, HUB

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
FRONT AXLE TRANSMISSION

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

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
PROPELLER SHAFT

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
FRONT AXLE BRAKE CALIPER

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

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
EXHAUST SYSTEM

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
EXHAUST SYSTEM

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

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
Fig 1: Identifying Hand Pump (210 589 00 71 00)
G07742725Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Retainer Wrench (164 589 02 07 00)
G07692352Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Detaching Tool (221 589 01 33 00)
G07713819Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Detaching Tool (230 589 01 33 00)
G07300862Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Guard Plate (220 589 01 31 00)
G07274450Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Drift Set (164 589 01 15 00)
G09982278Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner Adolf Wurth GmbH & Co. KG
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