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.
Brake Pr Number, Allocating
The Product Relevant (PR) number on the vehicle data label describes which brake system is installed in the vehicle.
Sample Vehicle Data Label
In this example, the following brake system is installed in the vehicle:
- Arrow 1 - rear brakes - 1KF
- Arrow 2 - front brakes - 1LC
The vehicle data label can be found in the spare wheel well as well as in the Maintenance booklet.
The following table shows the meaning of the PR numbers. These are important for the combination brake caliper/brake disc/brake drum and brake pad.
Front Brakes
| Engine version | PR number | Front Wheel Brake |
| 3.0L - 165 kW TDI | 1LA | Brembo (17") |
| 3.2L - 177 kW | 1LC/1LE | Brembo (17") |
| 3.6L - 206 kW | ||
| 4.2L - 228 kW | ||
| 4.2L - 257 kW | 1LE | Brembo (17") |
| 5.0L - 230 kW TDI | 1LF | Brembo (18") |
Rear Disc Brakes
| Engine version | PR number | Rear Wheel Brake | |||
| 3.0L - 165 kW TDI | 2EE | Brembo (17") | |||
| 3.2L - 177 kW | 1KF/1KQ | Brembo (17") | |||
| 3.6L - 206 kW | |||||
| 4.2L - 228 kW | |||||
| 4.2L - 257 kW | |||||
| 5.0L - 230 kW TDI | |||||
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.