Alfa Romeo2008–2016Technical specifications

MiTo 1.6 JTDM 16V: Technical specifications

Workshop data for the 1.6-litre diesel (engine code 955A4.000). 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 (955A4.000) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: MiTo
Years: 2008–2016
Fuel: Diesel
Engine code: 955A4.000

Performance & efficiency

Power: 85 kW (116 hp)
Engine size: 1,598 cc
Cylinders: 4 · DOHC
Compression ratio: 16.5:1
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 4.6 litres

All 104 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity cc	1598
Compression ratio :1	16,5
Fuel system Make	Bosch
Fuel system Type	EDC 16C39

Injection system

Air metering Type	Mass
Fuel/injection pump assembly Type	CP1 H
Pump type	Common rail
Fuel main pump delivery pressure bar	1600
Fuel feed/lift pump delivery pressure bar	3,5
Engine coolant temperature (ECT) sensor Ohm/°C	2502/20

Injection sequence

The injection sequence for the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances on the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) 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 1.6 JTDM 16V (2008–2016) takes 4.6 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 1.9 litres. The specified oil is SAE 75W-85 synthetic, with classification GL-4.

Coolant

The listed total cooling-system capacity is 5.7 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-30 Synthetic
Engine oil classification OEM	Fiat 9.55535-S1
Engine oil classification API/ACEA	/C2
Engine with filter(s) litres	4.6
Other lubricants and capacities
Manual transmission oil grade SAE	75W-85 Synthetic
Manual transmission oil classification	GL-4
Manual transmission litres	1.9
Coolant Type	ParaFlu up
Coolant Colour	Red
Cooling system - total capacity litres	5.7
Brake fluid Type	DOT 4
Brake fluid litres	0.5

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) are replaced at a minimum thickness of 24,2 mm (ventilated) or 24,6 mm (ventilated) front and 9 mm or 9,4 mm rear.

Minimum disc thickness for replacement - ventilated Front	24,2 mm
Minimum disc thickness after refacing - ventilated Front	24,6 mm
Minimum disc thickness for replacement Rear	9 mm
Minimum disc thickness after refacing Rear	9,4 mm

Brake disc and drum dimensions

Parking brake travel No. of notches	5

Service & electrical

Battery

The Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) uses a 12 V, 60 Ah battery.

Battery V/RC(Ah)	12 (60)

Tuning and emissions

Idle speed rpm	820±30
Rated no load speed rpm	4900-5100
Oil temperature °C	80
Idle speed - for smoke test rpm	830-870
Governed speed range - for smoke test rpm	4900-5100
Maximum time at governed speed secs	4,0
Test mode A/B	B
Probe type 1/2	1
Conditioning Accelerations/rpm	5/3000-3500
Smoke opacity - EU limit m-1 (%)	1,50 (48)
Smoke opacity - homologation value m-1 (%)	050 (19)

Starting and charging

Alternator output A/V/rpm	-/14/-

Service checks and adjustments

Oil pressure bar/rpm	4,5/4000
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 1.6 JTDM 16V (2008–2016) 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°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	20 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	8±2 Nm M8=25±2 Nm
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±1 Nm+40°
Camshaft carrier/cap	26±2 Nm
Inlet manifold to cylinder head	26±2 Nm
Exhaust manifold to cylinder head	25±2 Nm
Water pump	26±2 Nm
Injector/clamp	26±2 Nm
Injector pipe unions	—
Injector pipe unions
Fuel/injection pump sprocket/gear	50±5 Nm
Fuel/injection pump flange	25±2 Nm
Fuel/injection pump mounting	26±2 Nm
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°
Rear hub	280±14 Nm
Steering wheel	40±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	Yes
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	SP10
Air conditioning oil quantity cm³	130
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the injection sequence of the Alfa Romeo MiTo 1.6 JTDM 16V?

The injection sequence for the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) is 1-3-4-2.

How much oil does the Alfa Romeo MiTo 1.6 JTDM 16V take?

The Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) takes 4.6 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 1.6 JTDM 16V?

Valve clearances on the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Alfa Romeo MiTo 1.6 JTDM 16V?

The cylinder head bolts on the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) 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 MiTo 1.6 JTDM 16V?

Brake discs on the Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) are replaced at a minimum thickness of 24,2 mm (ventilated) or 24,6 mm (ventilated) front and 9 mm or 9,4 mm rear.

What battery does the Alfa Romeo MiTo 1.6 JTDM 16V use?

The Alfa Romeo MiTo 1.6 JTDM 16V (2008–2016) uses a 12 V, 60 Ah battery.