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.
Transmission identification
The "Continuously Variable Transmission (CVT) 01J" is installed in conjunction with various engines in the Audi A4 2002 →. Allocation → Code letters, assembly allocation, ratios, equipment .
Location of code letters on transmission
Code letters and serial number of transmission are stamped on underside of transmission housing - arrow -.
| Example: | FRC | 03 | 07 | 01 |
|---|---|---|---|---|
| I | I | I | I | |
| Code letters | Day | Month | Year (2001) of manufacture |
- The code letters of the transmission are also listed on the vehicle data stickers.
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.