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Home >> Mercedes Benz >> 2009 >> SL550 >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - 230 Chassis >> Testing & Repair >> Remove/install stabilizer bar on front axle - AR32.20-P-0300R

Remove/install stabilizer bar on front axle - AR32.20-P-0300R

MODEL 230 except CODE (487) Active Body Control (ABC) 

Fig 1: Identifying Stabilizer Bar On Front Axle Components
G05068189Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury caused by moving parts that can pinch, crush or  , in extreme cases even sever  extremities. No parts of the body or limbs should be within the operating range of the mechanism when components are in motion. AS00.00-Z-0009-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANTInstallation  Tighten nuts and bolts of chassis components only when vehicle is in the ready-to-drive condition.    
1 Remove air filter housing with intake air ducts IMPORTANT Pull air filter housing vertically upwards off the rubber retainers on the cylinder head covers.
IMPORTANTInstallation:  Rub the rubber retainers on the cylinder head covers and the sealing ring of the hot film mass air flow sensor in the air filter housing with liquid lubricant.
 
    Lubricant *BR00.45-Z-1002-06A 
2 COMMERCIALLY AVAILABLE TOOLS Place the engine support frame and raise the engine   AR33.10-P-0100-01R
    COMMERCIALLY AVAILABLE TOOLS Engine support frame *WE58.40-Z-1027-11A 
3 Remove the front wheels    
REFER TO MAINTENANCE Remove and install wheels   AP40.10-P-4050Z
4 Remove bottom engine compartment paneling   AR61.20-P-1105R
5 Remove front diagonal braces IMPORTANTInstallation:  The bolts on the diagonal struts may only be tightened when the vehicle is resting with its wheels on the ground.  
    TORQUE SPECIFICATION *BA62.30-P-1004-01A 
6 Unscrew bolts (1) of front engine mounts TORQUE SPECIFICATION *BA22.10-P-1001-01X 
7 Support front axle carrier with COMMERCIALLY AVAILABLE TOOLS transmission jack and COMMERCIALLY AVAILABLE TOOLS transmission platform COMMERCIALLY AVAILABLE TOOLS Transmission jack *WE58.40-Z-1030-11A 
    COMMERCIALLY AVAILABLE TOOLS Transmission platform *WE58.40-Z-1018-11A 
8 Unscrew bolts (2) of front axle carrier and lower front axle carrier slightly NOTES Do not damage the refrigerant line (arrow) and avoid crimping lines and hoses.
NOTES Do not subject steering coupling to tensile loads otherwise it will be damaged.
 
    TORQUE SPECIFICATION *BA33.10-P-1003-01A 
9 Unscrew nuts (3) of link rods (5) from stabilizer bar and remove link rods (5) INSPECT Check ball joints and rubber boots of link rods for damage, replace link rods if necessary.  
    TORQUE SPECIFICATION *BA32.20-P-1002-02H 
10 Unscrew bolts (4) of stabilizer bar and remove stabilizer bar IMPORTANT The rubber mounts are molded onto the torsion bar. If they are damaged or worn, replace the torsion bar.  
    TORQUE SPECIFICATION *BA32.20-P-1003-02H 
11 Install in the reverse order    
12 Perform chassis alignment   AR40.20-P-0200R
CROSSMEMBER AND FRONT REINFORCEMENT

Number Designation Model 230
BA62.30-P-1004-01A Bolt, diagonal strut Nm 70
ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Engines 112, 113 in model 230 Engines 272, 273 in model 230
BA22.10-P-1001-01X Bolt, front engine mounts to front axle carrier Nm 35 35
FRONT AXLE STABILIZER BAR

Number Designation Model 230
BA32.20-P-1002-02H Nut, link rod to stabilizer bar Nm 110
BA32.20-P-1003-02H Bolt, torsion bar to front end Nm 27
FRONT AXLE CARRIER

Number Designation Model 230
BA33.10-P-1003-01A Bolt of front axle carrier at front end Nm 100
WORKSHOP EQUIPMENT

WE58.40-Z-1018-11A Transmission platform
WE58.40-Z-1027-11A Engine support frame
WE58.40-Z-1030-11A Transmission jack
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1002-06A Lubricant A 000 989 01 60