Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity cc | 2143 |
| Compression ratio :1 | 15,1-15,9 |
| Fuel system Make | Bosch |
| Fuel system Type | EDC 17C69 |
Injection system
| Air metering Type | Mass |
|---|---|
| Pump type | Common rail |
| Fuel feed/lift pump delivery pressure bar | 4,0-6,0 |
| Engine coolant temperature (ECT) sensor Ohm/°C | 309/80 |
| Injector Ohm | 0,3-0,4 |
Injection sequence
The injection sequence for the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) is 1-3-4-2.
| Injection sequence | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.
| Valve clearance - INLET mm | Hydraulic |
|---|---|
| Valve clearance - EXHAUST mm | Hydraulic |
Engine oil & fluids
Engine oil
The Alfa Romeo Stelvio 2.2 Q4 (2018–2021) takes 4.4 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Transfer box
See the reference table for the complete transfer box entries and their conditions.
Coolant
The listed total cooling-system capacity is 8.0 litres.
Cooling system must be filled using vacuum filling equipment.
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-20 Synthetic |
| Engine oil classification OEM | FPW 9.55535/01 |
| Engine oil classification API/ACEA | /C5 |
| Engine with filter(s) litres | 4.4 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Tutela Transmission AS8 |
| Automatic transmission fluid classification | Fiat 9.55550-AV5 |
| Automatic transmission (drain & refill) litres | 9.1 |
| Checking ATF level | |
| Differential oil grade - front SAE | Shell TF0951B Synthetic |
| Differential oil classification - front | GL-5 |
| Differential front/AT litres | 0.45-0.50 |
| Differential oil grade - rear SAE | 75W-85 Synthetic |
| Differential oil classification - rear | Fiat 9.55550-DA9 |
| Differential rear litres | — |
| Transfer box oil grade SAE | 75W Synthetic |
| Transfer box oil classification | Fiat 9.55550-DA11 |
| Transfer box litres | 0.7 |
| Transfer box oil | |
| Coolant Type | Paraflu up |
| Coolant Colour | Red |
| Cooling system - total capacity litres | 8.0 |
| Cooling system must be filled using vacuum filling equipment. | |
| Brake fluid Type | DOT 4 |
| Brake fluid classification | Fiat 9.55597 |
| Brake fluid litres | 0.9 |
| Selective catalytic reduction (SCR) additive Type | AdBlue (AUS 32) |
| Selective catalytic reduction (SCR) additive litres | 16.1 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are replaced at a minimum thickness of 25,5 mm (ventilated) or 26,4 mm (ventilated) front and 20 mm (ventilated) or 20,6 mm (ventilated) rear.
| Minimum disc thickness for replacement - ventilated Front | 25,5 mm |
|---|---|
| Minimum disc thickness after refacing - ventilated Front | 26,4 mm |
| Minimum disc thickness for replacement - ventilated Rear | 20 mm |
| Minimum disc thickness after refacing - ventilated Rear | 20,6 mm |
Service & electrical
Battery
The Alfa Romeo Stelvio 2.2 Q4 (2018–2021) uses a 12 V, 80 Ah battery.
| Battery V/RC(Ah) | 12 (80) |
|---|
Glow plugs
Glow plugs for the Alfa Romeo Stelvio 2.2 Q4 (2018–2021): Original equipment 55258724, Beru 4014427172635, Bosch 0 250 623 004, Champion CH930 and NGK 0Z503 7Z K85SA.
| Glow plug - part no. Original equipment | 55258724 |
|---|---|
| Glow plug - part no. Beru | 4014427172635 |
| Glow plug - part no. Bosch | 0 250 623 004 |
| Glow plug - part no. Champion | CH930 |
| Glow plug - part no. NGK | 0Z503 7Z K85SA |
Service checks and adjustments
| Radiator cap bar | 1,40 |
|---|---|
| Thermostat opens °C | 94-98 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are tightened in 3 stages: 90°, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Renew bolts | Yes |
| Tighten | 51±2 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | — |
| View more information | — |
| Main bearings | |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 1)10 Nm 2)20±1 Nm |
| Big end bearings Stage 2 | 25±1 Nm+60° |
| Sump bolts | — |
| Sump bolts | |
| Sump drain bolt | 20±2 Nm |
| Flywheel/driveplate | -/150±15 Nm |
| Crankshaft pulley/damper centre bolt | 340±17 Nm |
| Crankshaft pulley/damper bolts | 30±3 Nm |
| Camshaft sprocket/gear | 30±1 Nm+50° |
| Camshaft/rocker cover | 26±2 Nm |
| Inlet manifold to cylinder head | 25±3 Nm |
| Exhaust manifold to cylinder head | 20±2 Nm |
| Exhaust downpipe to manifold | 24±3 Nm |
| Water pump | 26±2 Nm |
| Injector/clamp | 25±3 Nm |
| If new injectors are fitted, use diagnostic equipment to check if they are recognised by engine control module (ECM). | |
| Injector pipe unions | 32±2 Nm |
| Fuel/injection pump sprocket/gear | 80±8 Nm |
| Fuel/injection pump mounting | — |
| Fuel/injection pump mounting | |
| Glow plugs | 18±2 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 9 Nm |
| Camshaft position (CMP) sensor | 9±1 Nm |
| Nitrogen oxide (NOx) sensor | 53±5 Nm |
| Engine oil pressure switch | 1)14±1 Nm 2)26±2 Nm |
| Oil filter | 30±3 Nm |
| Chassis tightening torques | |
| Front hub | 1)71±3 Nm 2)47°±2° |
| Front hub - wheel bearing housing bolts | 100±5 Nm |
| Rear hub | 1)71±3 Nm 2)47°±2° |
| Rear hub - wheel bearing housing bolts | 100±5 Nm |
| Steering wheel | 50±5 Nm |
| Steering rack/box mounting | 110±5 Nm |
| Steering track rod end | 75±7 Nm |
| Brake disc to hub Front | 7±1 Nm |
| Brake caliper/carrier to hub Front | 105±5 Nm |
| Brake disc to hub Rear | 7±1 Nm |
| Brake caliper to carrier Rear | 28±2 Nm |
| Brake caliper/carrier to hub Rear | 105±5 Nm |
| Back plate to hub Rear | 9±2 Nm |
| ABS sensor Front | 9±2 Nm |
| ABS sensor Rear | 9±2 Nm |
| Road wheels | 120±12 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | Yes |
| Compressor variable displacement solenoid | Yes |
| Air conditioning refrigerant Type | R1234yf |
| Air conditioning refrigerant quantity grams | 535±20 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Dens Oil 12 |
| Air conditioning oil quantity cm³ | 130 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the injection sequence of the Alfa Romeo Stelvio 2.2 Q4?
The injection sequence for the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) is 1-3-4-2.
What glow plugs does the Alfa Romeo Stelvio 2.2 Q4 use?
Glow plugs for the Alfa Romeo Stelvio 2.2 Q4 (2018–2021): Original equipment 55258724, Beru 4014427172635, Bosch 0 250 623 004, Champion CH930 and NGK 0Z503 7Z K85SA.
How much oil does the Alfa Romeo Stelvio 2.2 Q4 take?
The Alfa Romeo Stelvio 2.2 Q4 (2018–2021) takes 4.4 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What are the valve clearances for the Alfa Romeo Stelvio 2.2 Q4?
Valve clearances on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Alfa Romeo Stelvio 2.2 Q4?
The cylinder head bolts on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are tightened in 3 stages: 90°, then 90°, then a final 90°.
What is the minimum brake disc thickness for the Alfa Romeo Stelvio 2.2 Q4?
Brake discs on the Alfa Romeo Stelvio 2.2 Q4 (2018–2021) are replaced at a minimum thickness of 25,5 mm (ventilated) or 26,4 mm (ventilated) front and 20 mm (ventilated) or 20,6 mm (ventilated) rear.