Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity cc | 1956 |
| Compression ratio :1 | 16,5 |
| Fuel system Make | Bosch |
| Fuel system Type | EDC 16C39 |
Injection system
| Air metering Type | Mass |
|---|---|
| Pump type | Common rail |
| Fuel feed/lift pump delivery pressure bar | 3,5-5,0 |
| Engine coolant temperature (ECT) sensor Ohm/°C | 309/80 |
Injection sequence
The injection sequence for the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) is 1-3-4-2.
| Injection sequence | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) 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 Giulietta 2.0 JTDM 16V (2015–2018) takes 4.2 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 1.7 litres.
See the reference table for the complete manual gearbox entries and their conditions.
Coolant
The listed total cooling-system capacity is 6.7 litres.
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-30 Synthetic |
| Engine oil classification OEM | FPW 9.55535/02 |
| Engine oil classification API/ACEA | /C2 |
| Engine with filter(s) litres | 4.2 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W Synthetic |
| Manual transmission oil classification | Fiat 9.55550-MZ6 |
| Manual transmission litres | 1.7 |
| Coolant Type | Paraflu up |
| Coolant Colour | Red |
| Cooling system - total capacity litres | 6.7 |
| Brake fluid Type | DOT 4 |
| Brake fluid classification | Fiat 9.55597 |
| Brake fluid litres | 0.8 |
| Clutch fluid Type | DOT 4 |
| Clutch fluid classification | Fiat 9.55597 |
Brakes & wear limits
Brake disc thickness
Rear brake discs on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) are replaced at a minimum thickness of 9 mm or 9,4 mm.
| Minimum disc thickness for replacement Rear | 9 mm |
|---|---|
| Minimum disc thickness after refacing Rear | 9,4 mm |
Service & electrical
Tuning and emissions
| Idle speed rpm | 820±30 |
|---|---|
| Oil temperature °C | 80 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Oil pressure bar/rpm | 1,0/820 |
|---|---|
| Radiator cap bar | 0,98 |
| Thermostat opens °C | 86-90 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) are tightened in 4 stages: 20 Nm, then 90°, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Tighten | 20 Nm |
| Tighten | 65±3 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | Yes |
| Main bearings Stage 1 | 25±1 Nm |
| Main bearings Stage 2 | 100° |
| Big end bearings Renew bolts/nuts | Yes |
| Big end bearings Stage 1 | 25±1 Nm |
| Big end bearings Stage 2 | 60° |
| Sump bolts | — |
| Sump bolts | |
| Sump drain bolt | 20±2 Nm |
| Flywheel/driveplate | 160±16 Nm/- |
| Clutch pressure plate | 26±2 Nm |
| Crankshaft pulley/damper centre bolt | 340±17 Nm |
| Crankshaft pulley/damper bolts | 26±2 Nm |
| Camshaft sprocket/gear | 30±2 Nm+50° |
| Camshaft/rocker cover | 26±2 Nm |
| Inlet manifold to cylinder head | 26±2 Nm |
| Exhaust manifold to cylinder head | 20±2 Nm |
| Water pump | 26±2 Nm |
| Injector/clamp | 26±2 Nm |
| Injector pipe unions | M12=23±1 Nm M14=19±1 Nm |
| Fuel/injection pump sprocket/gear | 50±5 Nm |
| Fuel/injection pump mounting | — |
| Fuel/injection pump mounting | |
| Glow plugs | 8±1 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 9±1 Nm |
| Camshaft position (CMP) sensor | 9±1 Nm |
| Engine coolant temperature (ECT) sensor | 20±2 Nm |
| Engine oil pressure switch | 26±2 Nm |
| Oil filter | 25 Nm |
| Chassis tightening torques | |
| Front hub | 70±3 Nm+62°±2° |
| Front hub - wheel bearing housing bolts | 65±6 Nm |
| Rear hub | 280±14 Nm |
| Steering wheel | 50±5 Nm |
| Steering rack/box mounting | 120±12 Nm |
| Steering track rod end | 75±7 Nm |
| Brake disc to hub Front | 13±2 Nm |
| Brake caliper to carrier Front | 1)15 Nm 2)29±1 Nm |
| Brake caliper/carrier to hub Front | 160±8 Nm |
| Brake disc to hub Rear | 13±2 Nm |
| Brake caliper to carrier Rear | 29±1 Nm |
| Brake caliper/carrier to hub Rear | 57±3 Nm |
| ABS sensor Front | 7±1 Nm |
| ABS sensor Rear | 7±1 Nm |
| Road wheels | — |
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 | — |
| Do not mix R134a with R1234yf. | |
| Air conditioning refrigerant quantity grams | — |
| Air conditioning refrigerant quantity | |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | — |
| Air conditioning oil | |
| Air conditioning oil quantity cm³ | 130 |
| Air conditioning oil viscosity ISO | — |
Frequently asked questions
What is the injection sequence of the Alfa Romeo Giulietta 2.0 JTDM 16V?
The injection sequence for the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) is 1-3-4-2.
How much oil does the Alfa Romeo Giulietta 2.0 JTDM 16V take?
The Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) takes 4.2 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 Giulietta 2.0 JTDM 16V?
Valve clearances on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Alfa Romeo Giulietta 2.0 JTDM 16V?
The cylinder head bolts on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) are tightened in 4 stages: 20 Nm, then 90°, then 90°, then a final 90°.
What is the minimum brake disc thickness for the Alfa Romeo Giulietta 2.0 JTDM 16V?
Rear brake discs on the Alfa Romeo Giulietta 2.0 JTDM 16V (2015–2018) are replaced at a minimum thickness of 9 mm or 9,4 mm.