Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity (Fiscal) cc | 1742 |
| Compression ratio :1 | 9,8 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Bosch |
| Ignition system Type | Motronic MED 17.3.1 |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Bosch |
| Fuel system Type | Motronic MED 17.3.1 |
| Fuel system Description | MFI-s(d) |
| Air metering Type | MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Bosch |
|---|---|
| Ignition coil supply voltage + with ballast V | 12,0 |
| Primary resistance Ohm | 0,50-0,56 |
| Secondary resistance Ohm | 7695-8505 |
Firing order
The firing order for the Alfa Romeo Giulietta 1.75 TBi (2010–2015) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) 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 1.75 TBi (2010–2015) takes 5.1 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 6.4 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 | 5W-40 Synthetic |
| Engine oil classification OEM | Fiat 9.55535-GH2 |
| Engine oil classification API/ACEA | /C3 |
| Engine with filter(s) litres | 5.1 |
| 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 | 6.4 |
| 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
Brake discs on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) are replaced at a minimum thickness of 26,2 mm (ventilated) or 26,55 mm (ventilated) front and 10 mm or 10,35 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 26,2 mm |
|---|---|
| Minimum disc thickness after refacing - ventilated Front | 26,55 mm |
| Minimum disc thickness for replacement Rear | 10 mm |
| Minimum disc thickness after refacing Rear | 10,35 mm |
Service & electrical
Ignition timing
The ignition timing on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) is not adjustable.
| Ignition timing - basic BTDC °Engine/rpm | Not adjustable |
|---|
Tuning and emissions
| Ignition advance checks °Engine/rpm | ECM Controlled |
|---|---|
| Idle speed rpm | 750±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 |
| CO content at increased idle speed Vol. % | 0,2 |
| Lambda at increased idle λ | 0,97-1,03 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Oil pressure bar/rpm | 0,7/750 |
|---|---|
| Oil pressure | |
| Thermostat opens °C | 81-85 |
Fuel system
| Fuel main pump delivery pressure bar | 6,0-150 |
|---|---|
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm | 630-950 |
Spark plugs
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | ILKAR7DG6G |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) are tightened in 5 stages: 20 Nm, then 40 Nm, then 90°, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Renew bolts | Yes |
| Tighten | 20 Nm |
| Tighten | 40 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 20±1 Nm |
| Main bearings Stage 2 | 100° |
| Big end bearings Renew bolts/nuts | No |
| 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 | 50 Nm+50°/- |
| Clutch pressure plate | 26±2 Nm |
| Crankshaft pulley/damper centre bolt | 220±10 Nm |
| Crankshaft pulley/damper bolts | 30±3 Nm |
| Camshaft sprocket/gear | 60±1 Nm+25°±2° |
| Camshaft carrier/cap | 15±2 Nm |
| View more information | — |
| Camshaft carrier/cap | |
| Camshaft/rocker cover | 8±1 Nm |
| Inlet manifold to cylinder head | 26±2 Nm |
| Exhaust manifold to cylinder head | 26±2 Nm |
| Water pump | 26±2 Nm |
| Spark plugs | 26±2 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 9±1 Nm |
| Engine coolant temperature (ECT) sensor | 30±3 Nm |
| Lambda sensor (Oxygen) | 45±5 Nm |
| Knock sensor (KS) | 25±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/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 firing order of the Alfa Romeo Giulietta 1.75 TBi?
The firing order for the Alfa Romeo Giulietta 1.75 TBi (2010–2015) is 1-3-4-2.
How much oil does the Alfa Romeo Giulietta 1.75 TBi take?
The Alfa Romeo Giulietta 1.75 TBi (2010–2015) takes 5.1 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 1.75 TBi?
Valve clearances on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Alfa Romeo Giulietta 1.75 TBi?
The cylinder head bolts on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) are tightened in 5 stages: 20 Nm, then 40 Nm, then 90°, then 90°, then a final 90°.
What is the ignition timing for the Alfa Romeo Giulietta 1.75 TBi?
The ignition timing on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) is not adjustable.
What is the minimum brake disc thickness for the Alfa Romeo Giulietta 1.75 TBi?
Brake discs on the Alfa Romeo Giulietta 1.75 TBi (2010–2015) are replaced at a minimum thickness of 26,2 mm (ventilated) or 26,55 mm (ventilated) front and 10 mm or 10,35 mm rear.