NHTSA campaign 18V635000 · Manufacturer campaign U99

Alfa Romeo Recall 18V-635: Coolant Hose may Leak Causing Stall

NHTSA recall 18V635000 (Manufacturer campaign U99) was reported by Chrysler (FCA US LLC) on September 14, 2018, with 674 vehicles potentially affected (per NHTSA). NHTSA's record lists the Alfa Romeo Stelvio for model years 2018–2019. Owners were notified on October 10, 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 18V635000 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.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
18V635000 (also written 18V-635 or 18V635)
Filed by
Chrysler (FCA US LLC)
Manufacturer campaign number
U99
Report received
Potentially affected
674 vehicles (per NHTSA)
Component
Engine and Engine Cooling — Cooling System — Hoses/Lines/Piping/Fittings
Owners notified

Repair completion: 98.07% (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 18V635000. 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.

Alfa Romeo

  • Alfa Romeo Stelvio

    • 2018, 2019 · Vehicles built November 28, 2017 – August 30, 2018 (per NHTSA)
All Alfa Romeo recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 18V635000.

Defect description

Chrysler (FCA US LLC) is recalling certain 2018-2019 Alfa Romeo Stelvio Quadrifoglio vehicles. The engine cooling hose may have inadequate webbing material allowing a coolant leak.

Safety consequence

A loss of coolant can cause the engine to overheat and the vehicle to stall, increasing the risk of a crash.

Manufacturer remedy

Chrysler will notify owners, and dealers will replace the coolant hose, free of charge. The recall began October 10, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U99.

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 18V635000

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.