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.
Explanations Of The Production Control Numbers (Pr Number)
There is a vehicle data label in the spare wheel well and also one in the customer Maintenance booklet.
The PR number on the vehicle data label specifies the suspension version installed in the vehicle.
In this example, the sport suspension UA1 is installed in the vehicle (see the magnified area of the illustration)
UA0, UA4 = Standard suspension
UA1, UA5, UA9 = Sport suspension
UA2 = Heavy duty suspension
UA3, UB3 = quattro GmbH sport suspension
UB5 = S3 sport suspension
UA6 = Sport suspension Audi magnetic ride (AMR)
UA7 = Sport suspension S3 Audi magnetic ride (AMR)
UB2 = Sport suspension RS 3
NO RELATED
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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.