2021 Alfa Romeo Stelvio Service and Repair Manual

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Factory-Grade Data

2021 Alfa Romeo Stelvio service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • TI Sport Sport Utility 4-Door
  • Lusso Sport Utility 4-Door
  • Quadrifoglio Sport Utility 4-Door
  • Sprint Sport Utility 4-Door
  • TI Sport Utility 4-Door

Engines covered

  • 2.0L 1995CC 122Cu. In. l4 GAS SOHC Turbocharged
  • 2.9L 2891CC V6 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2021 Alfa Romeo Stelvio Recalls & Complaints

NHTSA #21V22100030/03/2021Component: AIR BAGS:SIDE/WINDOW:CURTAIN

Chrysler (FCA US, LLC) is recalling certain 2021 Alfa Romeo Stelvio vehicles. An improperly crimped clamp may allow the side curtain air bag cushion and inflator to separate, causing an incomplete de

Consequence

An incomplete deployment or non-deployment of the side curtain air bag increases the risk of injury

Remedy

Chrysler will notify owners, and dealers will replace the side air bag inflatable curtain assembly,

NHTSA #21V87800012/11/2021Component: FUEL SYSTEM, GASOLINE:DELIVERY:PRESSURE SENSOR

Chrysler (FCA US, LLC) is recalling certain 2020-2021 Alfa Romeo Stelvio, and Alfa Romeo Giulia vehicles. The fuel line sensor housing may crack and leak fuel.

Consequence

A fuel leak may cause an engine stall, increasing the risk of a crash. A fuel leak also increases t

Remedy

Dealers will inspect and replace the fuel line sensor housing, as necessary, free of charge. Owner

NHTSA #25V66700007/10/2025Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Chrysler (FCA US, LLC) is recalling certain 2020-2025 Alfa Romeo Giulia and Alfa Romeo Stelvio vehicles. The printed circuit board and software for the rearview camera may contain defects that cause t

Consequence

A rearview image that does not display properly reduces the driver's view behind the vehicle, increa

Remedy

Dealers will inspect and replace the radio, as necessary. In addition, dealers will update the rearv

NHTSA #21V30900004/05/2021Component: SERVICE BRAKES, HYDRAULIC

Chrysler (FCA US, LLC) is recalling certain 2019-2021 Alfa Romeo Stelvio and 2020-2021 Alfa Romeo Giulia vehicles. Hard braking may cause the Anti-Lock Brake System (ABS) Hydraulic Control Unit (HCU)

Consequence

The loss of braking assistance and ABS functionality can reduce overall braking performance, increas

Remedy

Dealers will replace the ABS HCU, free of charge. Owner notification letters were mailed on June 29

TSB #11032849

Oil Change Monitor Displaying Prematurely Customers may experience the following: The oil change light illuminated on the dash shortly after taking delivery of the vehicle within 6,437 Km (4,000 miles) This bulletin involves resetting the o

TSB #11030138

The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following dia

TSB #11030035

Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

TSB #11028904

Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On

TSB #11026677

Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): B1E21-9

TSB #11026660

If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an

TSB #11026575

Radio- Multi Media

TSB #11026549

Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): B1E21-96

Showing the 8 most recent of 131 technical service bulletins on file with NHTSA.

20260520Component: ENGINE

The engine oil cooling system failed on my 2021 Alfa Romeo Stelvio 2.0T at approximately 45,000 miles. The failure caused engine oil to contaminate the engine coolant system, creating a brown/milky â€

20251028Component: BACK OVER PREVENTION

The contact owns a 2021 Alfa Romeo Stelvio. The contact received notification of NHTSA Campaign Number: 25V667000 (Back Over Prevention); however, the part to do the recall repair was unavailable. The

20251028Component: FUEL SYSTEM, GASOLINE

The contact owns a 2021 Alfa Romeo Stelvio. The contact stated that while driving at various speeds, the vehicle occasionally stalled. The contact stated that the message “ Throttle System Service R

20250317Component: UNKNOWN OR OTHER

Coolant leaked into the air conduits, from the heater core, causing a midst and smoke of hazardous vapors be deployed into the cabin. Current odometer reading is 60,289.

20231201Component: ENGINE

The contact owns a 2021 Alfa Romeo Stelvio. The contact stated that while driving at approximately 35–45 MPH, the check engine warning light illuminated. The “Do Not Drive” message was displayed

Showing the 5 most serious of 9 complaints filed with NHTSA.

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