Engine & identification
Vehicle identification
| No. of cylinders Type | 6/DOHC |
|---|---|
| Capacity (Fiscal) cc | 2891 |
| Compression ratio :1 | 9,3 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Bosch |
| Ignition system Type | Motronic MED17.3.5 |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Bosch |
| Fuel system Type | Motronic MED17.3.5 |
| Fuel system Description | MFI-s(d) |
| Air metering Type | Mass/MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Eldor |
|---|---|
| Ignition coil Type | EPT200 ION |
| Ignition coil supply voltage + with ballast V | 12,0 |
Firing order
The firing order for the Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) is 1-6-3-4-2-5.
| Firing order | 1-6-3-4-2-5 |
|---|
Valve clearances
Valve clearances on the Alfa Romeo Giulia 2.9 Quadrifoglio (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 Giulia 2.9 Quadrifoglio (2018–2021) takes 6.5 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Manual gearbox
The manual gearbox has a listed capacity of 1.8 litres.
See the reference table for the complete manual gearbox entries and their conditions.
Coolant
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 | -VIN7581658=0W-40 Synthetic |
| Engine oil classification OEM | FPW 9.55535/10 |
| Engine oil classification API/ACEA | SN/A3+B4 |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | VIN7581688-=5W-40 Synthetic |
| Engine oil classification OEM | FPW 9.55535/09 |
| Engine oil classification API/ACEA | SM/C3 |
| Engine with filter(s) litres | 6.5 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W-140 Synthetic |
| Manual transmission oil classification | GL-4 (Fiat 9.55550-MZ8) |
| Manual transmission litres | 1.8 |
| Automatic transmission fluid Type | ATF |
| Automatic transmission fluid classification | Fiat 9.55550-AV5 |
| Automatic transmission (drain & refill) litres | 9.11 |
| Checking ATF level | |
| Differential oil grade - rear SAE | 75W-85 Synthetic |
| Differential oil classification - rear | GL-5 (Fiat 9.55550-DA8) |
| Differential rear litres | — |
| Euro 6D | |
| Coolant Type | Paraflu up |
| Coolant Colour | Red |
| Cooling system - total capacity litres | 11.2 |
| Cooling system must be filled using vacuum filling equipment. | |
| Brake fluid Type | DOT 4 |
| Brake fluid classification | Fiat 9.55597 |
| Brake fluid litres | 0.89 |
| Brake system must be filled using bleeding equipment. | |
| Clutch fluid Type | DOT 4 |
| Clutch fluid classification | Fiat 9.55597 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) are replaced at a minimum thickness of 29,5 mm (ventilated) front and 25,5 mm (ventilated) rear.
| Minimum disc thickness for replacement - ventilated Front | 29,5 mm |
|---|---|
| Minimum disc thickness | |
| Minimum disc thickness after refacing - ventilated Front | — |
| Minimum disc thickness for replacement - ventilated Rear | 25,5 mm |
| Minimum disc thickness after refacing - ventilated Rear | — |
Service & electrical
Tuning and emissions
| Ignition advance checks °Engine/rpm | ECM Controlled |
|---|---|
| Idle speed rpm | 800±50 Not adjustable |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,2 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Oil pressure bar/rpm | — |
|---|---|
| Oil pressure | |
| Radiator cap bar | 1,40 |
| Thermostat opens °C | 83-87 |
Fuel system
| Fuel feed/lift pump delivery pressure bar | 5,0-7,0 |
|---|
Spark plugs
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | LKAR8APTJDS |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| Cylinder head | |
| Renew bolts | Yes |
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | Yes |
| Main bearings Stage 1 | 1)100 Nm 2)200 Nm |
| Main bearings Stage 2 | 25±1 Nm+100° |
| Big end bearings Renew bolts/nuts | Yes |
| Big end bearings Stage 1 | 1)11 Nm 2)20±1 Nm |
| Big end bearings Stage 2 | 25±1 Nm+60° |
| Oil pump to cylinder block | 25±3 Nm |
| Sump bolts | — |
| View more information | — |
| Oil pan bolts | |
| Sump drain bolt | 20±2 Nm |
| Clutch pressure plate | 25±1 Nm |
| Crankshaft pulley/damper bolts | 65±3 Nm |
| Camshaft sprocket/gear | 51±2 Nm+70° |
| Camshaft sprocket/gear | |
| Camshaft/rocker cover | — |
| View more information | — |
| Camshaft/rocker cover | |
| Inlet manifold to cylinder head | 10±1 Nm |
| Exhaust manifold to cylinder head | 20±2 Nm |
| Exhaust downpipe to manifold | — |
| Exhaust down pipe to manifold | |
| Water pump | 10±1 Nm |
| Spark plugs | 19±1 Nm |
| Fuel rail | 10±5 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 9 Nm |
| Camshaft position (CMP) sensor | 9 Nm |
| Engine coolant temperature (ECT) sensor | 20±2 Nm |
| Lambda sensor (Oxygen) | 45±5 Nm |
| Knock sensor (KS) | 20±2 Nm |
| Engine oil pressure switch | 14±1 Nm |
| Oil filter | 30±3 Nm |
| Chassis tightening torques | |
| 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 | 70±3 Nm |
| Brake disc to hub Front | 7±1 Nm |
| Brake caliper to carrier Front | 105±5 Nm |
| Brake caliper/carrier to hub Front | 50±5 Nm+20° |
| Brake disc to hub Rear | 7±1 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 | R134a/R1234yf |
| Do not mix R134a with 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 firing order of the Alfa Romeo Giulia 2.9 Quadrifoglio?
The firing order for the Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) is 1-6-3-4-2-5.
How much oil does the Alfa Romeo Giulia 2.9 Quadrifoglio take?
The Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) takes 6.5 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 Giulia 2.9 Quadrifoglio?
Valve clearances on the Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the minimum brake disc thickness for the Alfa Romeo Giulia 2.9 Quadrifoglio?
Brake discs on the Alfa Romeo Giulia 2.9 Quadrifoglio (2018–2021) are replaced at a minimum thickness of 29,5 mm (ventilated) front and 25,5 mm (ventilated) rear.