What is the 2018-2026 Alfa Romeo Stelvio Transfer Case Fluid Leak?

The Q4 AWD transfer case develops fluid leaks from the output shaft seal or housing gasket, resulting in low fluid levels and potential transfer case damage. The leak is often slow and goes unnoticed until noise develops. Repairs typically run $300-$1,800. Severity: high.

What is the 2018-2019 Alfa Romeo Stelvio Adaptive Cruise Control Cannot Be Switched Off After Wheel Slip (Recall 19V-148 / V27)?

A defect in the brake system module (BSM) software: once the traction control system detects a specific wheel-slip event, the software can prevent the driver from disabling adaptive cruise control. The system keeps commanding throttle and following distance while the driver is ac… Severity: high.

What is the 2018-2026 Alfa Romeo Stelvio Infotainment System Crash and Black Screen?

The Uconnect infotainment system crashes to a black screen during use, requiring a manual reboot. The issue affects navigation, climate controls, and the backup camera display during the outage. Repairs typically run $0-$1,200. Severity: medium.

What is the 2018-2026 Alfa Romeo Stelvio Turbo Oil Line Leak?

The turbocharger oil feed and return lines develop leaks at the banjo bolt fittings, causing oil drips onto the exhaust manifold and a burning oil smell. The copper crush washers at the fittings lose their seal over heat cycles. Repairs typically run $150-$600. Severity: medium.

What is the 2018-2026 Alfa Romeo Stelvio 2.0L Turbo Intake Valve Carbon Buildup Causing Cold-Start Misfire?

The 2.0L GME turbo four is direct injected, so no fuel washes over the back of the intake valves. Crankcase vapour routed through the PCV system bakes onto the valve heads and forms hard carbon deposits that disrupt airflow and seal quality. What makes the Stelvio case notable is… Repairs typically run $500-$1,200. Severity: medium.

What is the 2018-2025 Alfa Romeo Stelvio Parasitic Battery Drain From Modules Failing to Sleep, Repeat Dead Batteries?

One of the most-discussed problems in the Stelvio owner community and one of the most commonly misdiagnosed. A module that fails to enter sleep mode - most often the body control module, per forum consensus - keeps the CAN bus awake and holds current draw far above spec. Owners r… Repairs typically run $300-$1,200. Severity: medium.

What is the 2018-2024 Alfa Romeo Stelvio Water Pump Housing and Gasket Leak Causing Slow Coolant Loss?

A recurring cooling-system failure on the 2.0L cars, separate from the Quadrifoglio hose recall. The water pump leaks from the housing itself or from the housing-to-block gasket, producing a slow drip rather than a dramatic failure. Because the leak is small and the coolant on th… Repairs typically run $600-$1,200. Severity: medium.

What is the 2018-2025 Alfa Romeo Stelvio ZF 8HP Harsh 1-2 Shift and Cold-Weather Shift Clunk?

The Stelvio uses a ZF 8HP eight-speed automatic (8HP50 on the AWD 2.0L cars). Owners widely report a hard, clunky shift in the lower gears - most pronounced between first and second and worst before the transmission reaches operating temperature - along with hesitation on tip-in… Repairs typically run $150-$3,500. Severity: medium.

What is the 2018-2026 Alfa Romeo Stelvio Panoramic Sunroof Rattle and Wind Noise?

The panoramic sunroof develops rattling noises over rough roads and wind noise at highway speeds. The sunroof seal and guide rails are the primary sources of the noise. Repairs typically run $50-$600. Severity: low.

What is the 2018-2025 Alfa Romeo Stelvio Front Suspension Knocking and Clunking at Low Speed From End Links and Control Arm Bushings?

A widely reported complaint across the range, loudest at parking speeds and over small bumps. There is no single culprit, which is why owners often pay for the same repair twice. Sway bar end links are the most frequent source and are a genuine early wear item on this chassis, an… Repairs typically run $150-$1,800. Severity: low.

Alfa Romeo · Known Issues

2018 Alfa Romeo Stelvio Problems: 14 Known Issues

2018 model year · 480+ owner reports · Updated September 2026

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According to Au7o's analysis of 480+ owner reports, the 2018 Alfa Romeo Stelvio has 14 documented known issues, with 6 rated critical. The most serious are Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667) ($200-$2,000 repair), Transfer Case Fluid Leak ($300-$1,800 repair), Quadrifoglio Engine-to-Radiator Coolant Hose Made From Wrong Material, Leaks and Stalls (Recall 18V-635 / U99), Water Intrusion at A-Pillar Corrodes Body Control Module Connectors (Recall 18V-205 / U36), Adaptive Cruise Control Cannot Be Switched Off After Wheel Slip (Recall 19V-148 / V27) and Carbon-Ceramic Brake Rotor Fractures From Excessive Parking-Brake Clamp Force (Recall 23V-382 / 68A). The most commonly reported issue is Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667) with 140 owner reports. Across all issues with published estimates, repair costs range from $50 to $3,500. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Alfa Romeo Stelvio problems?

According to Au7o's analysis of 480+ owner reports, the 2018 Alfa Romeo Stelvio has 14 documented issues. The most frequently reported are: Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667), Transfer Case Fluid Leak, Quadrifoglio Engine-to-Radiator Coolant Hose Made From Wrong Material, Leaks and Stalls (Recall 18V-635 / U99). Of these, 6 are rated critical and should be addressed promptly.

Is the Alfa Romeo Stelvio reliable?

The 2018 Alfa Romeo Stelvio has 14 known issues documented across 480+ owner reports. 6 issues are rated critical: Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667) and Transfer Case Fluid Leak and Quadrifoglio Engine-to-Radiator Coolant Hose Made From Wrong Material, Leaks and Stalls (Recall 18V-635 / U99) and Water Intrusion at A-Pillar Corrodes Body Control Module Connectors (Recall 18V-205 / U36) and Adaptive Cruise Control Cannot Be Switched Off After Wheel Slip (Recall 19V-148 / V27) and Carbon-Ceramic Brake Rotor Fractures From Excessive Parking-Brake Clamp Force (Recall 23V-382 / 68A). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Alfa Romeo Stelvio problems?

Repair costs for known Alfa Romeo Stelvio issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667), typically costs $200-$2,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2018-2024 Alfa Romeo Stelvio Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667)?

2018+ Stelvios can experience sudden engine stall or no-start due to a defective low-pressure fuel pump inside the fuel delivery module — same defect as the Giulia, same supplier, same NHTSA timeline. The pump's internal commutator wears prematurely and loses contact, cutting fue… Repairs typically run $200-$2,000. Severity: high.

All 14 Known Issues

Other Alfa Romeo Models

Frequently Asked Questions

What are the most common Alfa Romeo Stelvio problems?

Is the Alfa Romeo Stelvio reliable?

How much does it cost to fix common Alfa Romeo Stelvio problems?

What is the 2018-2024 Alfa Romeo Stelvio Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667)?

When Issues Typically Appear

2018-2024 Alfa Romeo Stelvio: Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-667)#

2018 Alfa Romeo Stelvio: Water Intrusion at A-Pillar Corrodes Body Control Module Connectors (Recall 18V-205 / U36)#

2018-2026 Alfa Romeo Stelvio: Infotainment System Crash and Black Screen#

2018-2025 Alfa Romeo Stelvio: Parasitic Battery Drain From Modules Failing to Sleep, Repeat Dead Batteries#

2018-2019 Alfa Romeo Stelvio: Quadrifoglio Engine-to-Radiator Coolant Hose Made From Wrong Material, Leaks and Stalls (Recall 18V-635 / U99)#

2018-2024 Alfa Romeo Stelvio: Water Pump Housing and Gasket Leak Causing Slow Coolant Loss#

2018-2026 Alfa Romeo Stelvio: Transfer Case Fluid Leak#

2018-2019 Alfa Romeo Stelvio: Adaptive Cruise Control Cannot Be Switched Off After Wheel Slip (Recall 19V-148 / V27)#

2018-2020 Alfa Romeo Stelvio: Carbon-Ceramic Brake Rotor Fractures From Excessive Parking-Brake Clamp Force (Recall 23V-382 / 68A)#

2018-2026 Alfa Romeo Stelvio: Turbo Oil Line Leak#

2018-2026 Alfa Romeo Stelvio: 2.0L Turbo Intake Valve Carbon Buildup Causing Cold-Start Misfire#

2018-2025 Alfa Romeo Stelvio: ZF 8HP Harsh 1-2 Shift and Cold-Weather Shift Clunk#

2018-2026 Alfa Romeo Stelvio: Panoramic Sunroof Rattle and Wind Noise#

2018-2025 Alfa Romeo Stelvio: Front Suspension Knocking and Clunking at Low Speed From End Links and Control Arm Bushings#