32 00 150 KDS chassis/wheel alignment check with load up to design position
- if the technical prerequisites for an alignment check with ride-height input are lacking
- if, in spite of repairs having been carried out, the car's ride height between the left and right sides is still outside the tolerance
- if the vehicles in question have been involved in an accident
- if the models are M models
- Read and comply with GENERAL INFORMATION AND DEFINITIONS .
- Read and comply with GENERAL CHASSIS DEFINITION .
- If necessary, prepare lifting platform.
- Drive vehicle onto lifting platform.NOTE: The front and rear wheels must be positioned centrally on the rotary and sliding plates.
- Remove locking pins from both rotary and sliding plates, align pickup using bubble level and activate
- Attach quick-clamping holder/quick-clamping unit to vehicle and remove clamping levers in area of front wheels
- Attach pickup to quick-clamping holder/quick-clamping unit, align using bubble level and connect to rotary platesNOTE: When using quick-clamping units, perform RIM RUNOUT COMPENSATION after installing the pickups.
- If necessary, attach spoiler adapter.
- If necessary, switch on chassis alignment system
- Enter customer and vehicle data
- Identify chassis version and select vehicle. See IDENTIFICATION OF SUSPENSION WITHOUT LABEL and IDENTIFYING SUSPENSION FROM LABEL ON FRONT AXLE .
- Enter tire pressure and tread depth
- Move VEHICLE INTO DESIGN POSITION
- Install brake tensioner.
E81, E82, E87, E88, E90, E91, E92, E93:
In order to avoid damaging the front side panel during the "Max. steering lock" drive-in routine, make sure the pickups are removed from the quick-clamping holders/quick-clamping units during output and input alignment. In the process do not detach the connecting cable from the pickups or the rotary plates.
- Perform input measurement in accordance with equipment manufacturer's instructions.
- Compare SPECIFIED VALUES with actual values
Only in event of customer complaint (e.g. poor driving performance):
Slacken all screws/bolts (front axle carrier to engine carrier / body) and then retighten to specified torque.
Refer to LOWERING FRONT AXLE CARRIER .
If necessary, adjust FRONT AXLE and REAR AXLE .
Only on cars with Active Cruise Control:
Because the axis of motion is the reference for ACC adjustment, it is necessary after an adjustment of the rear axle which alters the axis of motion also to check the adjustment of the ACC sensor!
It is not necessary to check the ACC sensor after only one adjustment of the front axle!
- Perform output measurement in accordance with equipment manufacturer's instructions.
- Save and print out test record.
- Carry out STEERING ANGLE SENSOR ADJUSTMENT/ADJUSTMENT FOR ACTIVE FRONT STEERING
- Insert locking pins into both rotary and sliding plates
- Remove chassis/wheel alignment system
- Drive vehicle off lifting platform
- If necessary, carry out ADJUSTMENT OF ACC SENSOR