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Home >> Mercedes Benz >> 1998 >> S600 >> Repair and Diagnosis >> Steering >> Power Steering >> Steering - 140 Chassis >> Testing & Repair >> Remove/install steering idler arm, replacing plain rubber mount - AR46.40-P-0300B

Remove/install steering idler arm, replacing plain rubber mount - AR46.40-P-0300B

MODEL 140 

Fig 1: Identifying Steering Idler Arm Components
G05437518Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install    
NOTESInstallation  Replace self-locking nuts    
1 Remove tie rod (10) on steering idler arm (26)   AR46.40-P-0200B 
2 Remove drag link (11) on steering idler arm (26)   AR46.40-P-0100B 
3 Remove heat shield (26h)    
4 Unscrew nut (26b). Pull out bolt (26a) and remove steering idler arm (26) together with bearing tube (26i) TORQUE SPECIFICATION *BA46.40-P-1002-05A 
5 Use a screwdriver to raise sealing lip. Take slide bushing out of the bearing tube (26i)    
6 Use extractor (061) to pull out rubber friction bearing (26f) SPECIAL TOOL Extractor Fig 2
    IMPORTANTInstallation:  Pull in the rubber friction bearing all the way using the insertion tool (062)  
    SPECIAL TOOL Insertion tool Fig 3
IMPORTANT The steering idler arm is adjusted in a defined position "a" = 22.7 mm on the bearing tube (26i) The adjusted position may be changed by a maximum of 5 mm by correcting the ball point position. If the specified ball point position is not reached within this adjustment range the bearing tube/front axle carrier is deformed  
7 Install in the reverse order    
TORQUE SPECIFICATION STEERING IDLER ARM

Number Designation     Model 140
BA46.40-P-1002-05A Self-locking nut, steering idler arm to front axle carrier bearing bracket Stage 1 Nm 120
Stage 2 ∠ ° -
Fig 2: Identifying Puller (129 589 00 33 00)
G05437519Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Insertion Tool (201 589 08 43 00)
G05437520Courtesy of MERCEDES-BENZ OF NORTH AMERICA.