Alfa Romeo2011–2015Technical specifications

MiTo 0.9 TwinAir Turbo: Technical specifications

Workshop data for the 0.9-litre petrol (engine code 312A2.000). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (312A2.000) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: MiTo
Years: 2011–2015
Fuel: Petrol
Engine code: 312A2.000

Performance & efficiency

Power: 63 kW (86 hp)
Engine size: 875 cc
Cylinders: 2 · OHC
Compression ratio: 10.0:1
Fuel system: Magneti Marelli

Fluids & capacities

Engine oil (with the filter): 3.5 litres

All 113 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	2/OHC
Capacity (Fiscal) cc	875
Compression ratio :1	10,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Magneti Marelli
Ignition system Type	IAW 8GSF.H5
Ignition system Description	Map-DI
Trigger location	Cam/Crankshaft
Fuel system Make	Magneti Marelli
Fuel system Type	IAW 8GSF.H5
Fuel system Description	MFI-s
Air metering Type	MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Beru
Ignition coil Type	0 040 1000 087
Ignition coil supply voltage + with ballast V	12,0

Firing order

The firing order for the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) is 1-2.

Firing order	1-2

Valve clearances

Valve clearances on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) 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 MiTo 0.9 TwinAir Turbo (2011–2015) takes 3.5 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 1.6 litres.

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

The listed total cooling-system capacity is 5.4 litres.

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-40 Synthetic
Engine oil classification OEM	Fiat 9.55535-S2
Engine oil classification API/ACEA	SM/C3
Engine with filter(s) litres	3.5
Other lubricants and capacities
Manual transmission oil grade SAE	75W
Manual transmission oil classification	Fiat 9.55550-MZ6
Manual transmission litres	1.6
Coolant Type	ParaFlu up
Coolant Colour	Red
Cooling system - total capacity litres	5.4
Brake fluid Type	DOT 4
Brake fluid classification	Fiat 9.55597
Brake fluid litres	0.5
Clutch fluid Type	DOT 4
Clutch fluid classification	Fiat 9.55597

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) are replaced at a minimum thickness of 20,2 mm (ventilated) or 20,4 mm (ventilated) front and 9 mm or 9,4 mm rear.

Minimum disc thickness for replacement - ventilated Front	20,2 mm
Minimum disc thickness after refacing - ventilated Front	20,4 mm
Minimum disc thickness for replacement Rear	9 mm
Minimum disc thickness after refacing Rear	9,4 mm

Service & electrical

Ignition timing

The ignition timing on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) is not adjustable.

Ignition timing - basic BTDC °Engine/rpm	Not adjustable

Spark plugs

The Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) uses NGK LKR9C1-8 spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	LKR9C1-8
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	LKR9C1-8
Electrode gap mm	0,8

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	0,1 Max Not adjustable
CO level at idle speed - sample pipe Vol. % CO	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

Starting and charging

Battery V/RC(Ah)	12

Service checks and adjustments

Oil pressure bar/rpm	4,0/4000
Radiator cap bar	0,98
Thermostat opens °C	86-90

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) are tightened in 4 stages: 20 Nm, then 30 Nm, then 90°, then a final 90°.

Cylinder head
Renew bolts	No
Tighten	20 Nm
Tighten	30 Nm
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	20±1 Nm
Main bearings Stage 2	80°
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	31±1 Nm
Big end bearings Stage 2	90°
Oil pump to cylinder block	9±1 Nm
Sump bolts	—
Sump bolts
Sump drain bolt	20±2 Nm
Flywheel/driveplate	20±1 Nm+50°
Clutch pressure plate	14±1 Nm
Crankshaft pulley/damper centre bolt	130±10 Nm
Crankshaft pulley/damper centre bolt
Camshaft carrier/cap	12±1 Nm
Camshaft/rocker cover	9±1 Nm
View more information	—
UNIAIR module oil filter must not be re-used.
Inlet manifold to cylinder head	9±1 Nm
Exhaust manifold to cylinder head	9±1 Nm
Water pump	8±2 Nm
Spark plugs	18±2 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	9 Nm
Camshaft position (CMP) sensor	9 Nm
Lambda sensor (Oxygen)	45±5 Nm
Knock sensor (KS)	25±2 Nm
Engine oil pressure switch	32±3 Nm
Oil filter	26±2 Nm
Chassis tightening torques
Front hub	70±3 Nm+62°±2°
Rear hub	280±14 Nm
Steering wheel	50±5 Nm
Steering rack/box mounting	100±10 Nm
Steering track rod end	40±4 Nm
Brake disc to hub Front	13±2 Nm
Brake caliper to carrier Front	29±1 Nm
Brake caliper/carrier to hub Front	105±5 Nm
Brake disc to hub Rear	13±2 Nm
Brake caliper to carrier Rear	29±1 Nm
Brake caliper/carrier to hub Rear	56±1 Nm
ABS sensor Front	7±1 Nm
ABS sensor Rear	7±1 Nm
Road wheels	121±11 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	No
Compressor variable displacement solenoid	Yes
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	500±40
Air conditioning oil group	PAG
Air conditioning oil Type	Dens Oil 8
Air conditioning oil quantity cm³	130
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the firing order of the Alfa Romeo MiTo 0.9 TwinAir Turbo?

The firing order for the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) is 1-2.

What spark plugs does the Alfa Romeo MiTo 0.9 TwinAir Turbo use?

The Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) uses NGK LKR9C1-8 spark plugs with a 0,8 mm electrode gap.

How much oil does the Alfa Romeo MiTo 0.9 TwinAir Turbo take?

The Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) takes 3.5 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 MiTo 0.9 TwinAir Turbo?

Valve clearances on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Alfa Romeo MiTo 0.9 TwinAir Turbo?

The cylinder head bolts on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) are tightened in 4 stages: 20 Nm, then 30 Nm, then 90°, then a final 90°.

What is the ignition timing for the Alfa Romeo MiTo 0.9 TwinAir Turbo?

The ignition timing on the Alfa Romeo MiTo 0.9 TwinAir Turbo (2011–2015) is not adjustable.