Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2015A8 QUATTRO BASE, 3.0L ENG VIN GREPAIR AND DIAGNOSISSTEERINGSTEERING GEARWHEELS, TIRES & WHEEL ALIGNMENT44 WHEELS, TIRES, WHEEL ALIGNMENTVEHICLE ALIGNMENTTEST PREREQUISITES
2015 Audi A8 Quattro Base, 3.0L Eng VIN G
Test Prerequisites
2015 Audi A8 Quattro Base, 3.0L Eng VIN GSECTION Test Prerequisites
- Vehicle must be cool.
- Check suspension, steering and steering linkage for excessive play and damage, repair if necessary.
- Tread depth difference may be no more than 2 mm on an axle.
- Prescribed tire pressure
- Vehicle accurately aligned, suspension bounced and rocked several times
- Drive the vehicle onto the alignment rack without tension. Move the vehicle back and forth if necessary to relieve any tension on the axle components.
- The steering wheel must be "evened out" into the center position before beginning the measuring and adjusting. Use Steering Wheel Scales VAS 6458 for this.
- Vehicle in control position, "control position means: the height of the vehicle without the driver", refer to AXLE ALIGNMENT CONTROL POSITION ON VEHICLES WITH AIR SUSPENSION, CHECKING .
- Make sure that the sliding plates and turn tables are not touching the end stop when checking the wheel alignment.
- The measurement sensor must be properly adjusted and attached to the vehicle; observe device manufacturer's operating instructions.
- Perform wheel run-out compensation: permissible axial run-out of the wheel rims can exceed the specified toe setting tolerance. If compensation for wheel run-out is not performed, it will not be possible to obtain a correct toe-in adjustment.
- Vehicle alignment platforms and the alignment equipment/alignment computers can deviate from their original calibration over time therefore they should be calibrated at least once a year during maintenance.
- Handle highly sensitive units with care.
- If necessary, contact the manufacturer for familiarization with the proper use of the equipment.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.