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32 00... Troubleshooting After Wheel/Chassis Alignment Check On Front Axle

Substandard roadholding, atypical noises, tires worn on one side and toe-in/camber values which deviate from the nominal value are all indicators of damage to the suspension caused by road traffic accidents or similar impacts.

To carry out proper repairs, you must follow the procedure set out in the troubleshooting table below depending on the condition of the vehicle in question.

You must also follow the rules and guidelines for accident-related repairs to the steering gear  . See 32 00... TROUBLESHOOTING AFTER WHEEL/CHASSIS ALIGNMENT CHECK ON REAR AXLE .

NOTE: If after chassis/suspension components have been replaced adjustment of camber/track alignment is not possible, the vehicle must be placed on the straightening bench
TROUBLESHOOTING CHART

Fault Cause Remedy
Toe deviation Tie rod end worn Replace tie rod end  . See 32 21 151 REPLACING LEFT OR RIGHT TIE ROD .
Tie rod bent Replace tie rod  . See 32 21 151 REPLACING LEFT OR RIGHT TIE ROD .
Rubber mount or ball joint of control arm faulty Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Rubber mount or ball joint/guide joint of tension strut faulty Replace rubber mount or guide joint/both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS or 31 12 138 REPLACING RUBBER MOUNTS ON BOTH TENSION STRUTS .
Camber deviation Rubber mount or ball joint of control arm faulty Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Control arm deformed Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Rubber mount or ball joint/guide joint of tension strut faulty Replace rubber mount or guide joint/both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS or 31 12 138 REPLACING RUBBER MOUNTS ON BOTH TENSION STRUTS .
Tension strut deformed Replace both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS .
Spring strut/piston rod of shock absorber deformed Replace front spring strut  . See 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (SPORT SUSPENSION) , 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION) or 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION, BUILD DATE FROM 03/2005) .
Ride height between driver's and passenger sides different Check load  , correct if necessary. See 32 00... CHASSIS/WHEEL ALIGNMENT CHECK PROCEDURE .
  Replace coil spring  . See 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (SPORT SUSPENSION) , 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION) or 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION, BUILD DATE FROM 03/2005) .
Front axle carrier deformed Replace front axle carrier  . See 31 11 001 REPLACING FRONT AXLE CARRIER .
Caster deviation
NOTE: Caster is defined by design and cannot be adjusted
Rubber mount or ball joint of control arm faulty Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Control arm deformed Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Rubber mount or ball joint/guide joint of tension strut faulty Replace rubber mount or guide joint/both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS or 31 12 138 REPLACING RUBBER MOUNTS ON BOTH TENSION STRUTS .
Tension strut deformed Replace both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS .
Spring strut/piston rod of shock absorber deformed Replace front spring strut  . See 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (SPORT SUSPENSION) , 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION) or 31 31 031 REPLACING FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION, BUILD DATE FROM 03/2005) .
Front axle carrier deformed Replace front axle carrier  . See 31 11 001 REPLACING FRONT AXLE CARRIER .
Ride height between driver's and passenger sides different Check load, correct if necessary
Air spring strut: Carry out ride-height-calibration  . See 37 12 012 CARRY OUT RIDE-HEIGHT-CALIBRATION .
Check coil springs  , replace if necessary. See 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (SPORT SUSPENSION) , 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION) or 31 33 100 REMOVING AND INSTALLING/REPLACING COIL SPRING FOR FRONT LEFT OR RIGHT SPRING STRUT (STANDARD SUSPENSION, BUILD DATE FROM 03/2005) .
Toe-difference angle deviation
Prerequisite: camber and caster are correct
Tie rods not adjusted uniformly Adjust toe on left and right sides to same value  . See 32 00... CHASSIS/WHEEL ALIGNMENT CHECK PROCEDURE .
Wheel-offset deviation
Prerequisite: front wheels have equal single toe to geometrical axis
Front axle carrier deformed Replace front axle carrier  . See 31 11 001 REPLACING FRONT AXLE CARRIER .
Control arm deformed Replace control arms  . See 31 12 000 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT CONTROL ARM .
Tension strut deformed Replace both tension struts  . See 31 12 080 REMOVING AND INSTALLING/REPLACING BOTH TENSION STRUTS .