Alfa Romeo2016–2018Technical specifications

Giulia 2.2: Technical specifications

Workshop data for the 2.2-litre diesel (engine code 55266388). 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 (55266388) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Alfa Romeo
Model: Giulia
Years: 2016–2018
Fuel: Diesel
Engine code: 55266388

Performance & efficiency

Power: 110 kW (150 hp)
Engine size: 2,143 cc
Cylinders: 4 · DOHC
Compression ratio: 15.5:1
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 3.6 litres

All 102 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity cc	2143
Compression ratio :1	15,5
Fuel system Make	Bosch
Fuel system Type	EDC 17C69

Injection system

Air metering Type	Mass
Pump type	Common rail
Fuel feed/lift pump delivery pressure bar	4,0-6,0
Engine coolant temperature (ECT) sensor Ohm/°C	309/80
Injector Ohm	0,3-0,4

Injection sequence

The injection sequence for the Alfa Romeo Giulia 2.2 (2016–2018) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances on the Alfa Romeo Giulia 2.2 (2016–2018) 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 Giulia 2.2 (2016–2018) takes 3.6 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 1.4 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

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-20 Synthetic
Engine oil classification OEM	FPW 9.55535/01
Engine oil classification API/ACEA	/C2
Engine with filter(s) litres	3.6
Other lubricants and capacities
Manual transmission oil grade SAE	70W Synthetic
Manual transmission oil classification	GL-4 (Fiat 9.55550-MZ7)
Manual transmission litres	1.4
Automatic transmission fluid Type	ATF
Automatic transmission fluid classification	Fiat 9.55550-AV5
Automatic transmission (drain & refill) litres	9.2
Checking ATF level
Differential oil grade - rear SAE	75W-85 Synthetic
Differential oil classification - rear	Fiat 9.55550-DA9
Differential rear litres	—
Coolant Type	Paraflu up
Coolant Colour	Red
Cooling system - total capacity litres	8,0 AT=8,75
Cooling system must be filled using vacuum filling equipment.
Brake fluid Type	DOT 4
Brake fluid classification	Fiat 9.55597
Brake fluid litres	0.9
Clutch fluid Type	DOT 4
Clutch fluid classification	Fiat 9.55597
Selective catalytic reduction (SCR) additive Type	AdBlue
Selective catalytic reduction (SCR) additive litres	16.1

Brakes & wear limits

Brake disc thickness

Brake discs on the Alfa Romeo Giulia 2.2 (2016–2018) are replaced at a minimum thickness of 25,5 mm (ventilated) or 26,4 mm (ventilated) front and 20 mm (ventilated) or 20,6 mm (ventilated) rear.

Minimum disc thickness for replacement - ventilated Front	25,5 mm
Minimum disc thickness after refacing - ventilated Front	26,4 mm
Minimum disc thickness for replacement - ventilated Rear	20 mm
Minimum disc thickness after refacing - ventilated Rear	20,6 mm

Service & electrical

Glow plugs

Glow plugs for the Alfa Romeo Giulia 2.2 (2016–2018): Original equipment 55258724, Beru 4014427172635, Bosch 0 250 623 004, Champion CH930 and NGK 0Z503 7Z K85SA.

Glow plug - part no. Original equipment	55258724
Glow plug - part no. Beru	4014427172635
Glow plug - part no. Bosch	0 250 623 004
Glow plug - part no. Champion	CH930
Glow plug - part no. NGK	0Z503 7Z K85SA

Tuning and emissions

Idle speed rpm	800±50

Starting and charging

Battery V/RC(Ah)	12

Service checks and adjustments

Radiator cap bar	1,40
Thermostat opens °C	94-98

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Alfa Romeo Giulia 2.2 (2016–2018) are tightened in 3 stages: 90°, then 90°, then a final 90°.

Cylinder head
Renew bolts	Yes
Tighten	51±2 Nm
Tighten	90°
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	—
View more information	—
Main bearings
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	1)10 Nm 2)20±1 Nm
Big end bearings Stage 2	25±1 Nm+60°
Sump bolts	—
Sump bolts
Sump drain bolt	20±2 Nm
Flywheel/driveplate	150±15 Nm/150±15 Nm
Clutch pressure plate	25±1 Nm
Crankshaft pulley/damper centre bolt	340±17 Nm
Crankshaft pulley/damper centre bolt
Crankshaft pulley/damper bolts	30±3 Nm
Camshaft sprocket/gear	30±1 Nm+50°
Camshaft/rocker cover	26±2 Nm
Inlet manifold to cylinder head	25±3 Nm
Exhaust manifold to cylinder head	20±2 Nm
Exhaust downpipe to manifold	24±3 Nm
Water pump	26±2 Nm
Injector/clamp	25±3 Nm
Injector pipe unions	32±2 Nm
Fuel/injection pump sprocket/gear	80±8 Nm
Fuel/injection pump mounting	—
Fuel/injection pump mounting
Glow plugs	18±2 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	9 Nm
Camshaft position (CMP) sensor	9±1 Nm
Nitrogen oxide (NOx) sensor	51±7 Nm
Engine oil pressure switch	1)14±1 Nm 2)26±2 Nm
Oil filter	30±3 Nm
Chassis tightening torques
Front hub - wheel bearing housing bolts	100±5 Nm
Rear hub	71±3 Nm+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/carrier to hub Front	105±5 Nm
Brake disc to hub Rear	7±1 Nm
Brake caliper to carrier Rear	28±2 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	R1234yf
Air conditioning refrigerant quantity grams	450±20 AT=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 injection sequence of the Alfa Romeo Giulia 2.2?

The injection sequence for the Alfa Romeo Giulia 2.2 (2016–2018) is 1-3-4-2.

What glow plugs does the Alfa Romeo Giulia 2.2 use?

Glow plugs for the Alfa Romeo Giulia 2.2 (2016–2018): Original equipment 55258724, Beru 4014427172635, Bosch 0 250 623 004, Champion CH930 and NGK 0Z503 7Z K85SA.

How much oil does the Alfa Romeo Giulia 2.2 take?

The Alfa Romeo Giulia 2.2 (2016–2018) takes 3.6 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 Giulia 2.2?

Valve clearances on the Alfa Romeo Giulia 2.2 (2016–2018) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Alfa Romeo Giulia 2.2?

The cylinder head bolts on the Alfa Romeo Giulia 2.2 (2016–2018) are tightened in 3 stages: 90°, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Alfa Romeo Giulia 2.2?

Brake discs on the Alfa Romeo Giulia 2.2 (2016–2018) are replaced at a minimum thickness of 25,5 mm (ventilated) or 26,4 mm (ventilated) front and 20 mm (ventilated) or 20,6 mm (ventilated) rear.