NHTSA campaign 18V639000 · Manufacturer campaign 34J1
Audi Recall 18V-639: Transmission Fluid Vent Hose may Leak Causing Fire
NHTSA recall 18V639000 (Manufacturer campaign 34J1) was reported by Volkswagen Group of America, Inc. on September 17, 2018, with 1,916 vehicles potentially affected (per NHTSA). NHTSA's record lists the Audi R8 Spyder for model years 2017–2018. Owners were notified on October 18, 2018, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 18V639000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Audi VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V639000 (also written 18V-639 or 18V639)
- Filed by
- Volkswagen Group of America, Inc.
- Manufacturer campaign number
- 34J1
- Report received
- Potentially affected
- 1,916 vehicles (per NHTSA)
- Component
- Power Train — Automatic Transmission
- Owners notified
Repair completion: 93.68% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 18V639000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Audi
All Audi recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 18V639000.
Defect description
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi R8 Spyder and R8 Coupe vehicles. Transmission fluid may leak from the gearbox ventilation hose after certain high speed and maneuvering situations.
Safety consequence
If leaked transmission fluid contacts hot engine parts, it can increase the risk of a fire.
Manufacturer remedy
Audi will notify owners, and dealers will replace the single gearbox ventilation hose with a double ventilation hose, free of charge. The recall began October 18, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 34J1.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 18V639000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.