Mazda2016–2019Technical specifications

3 1.5: Technical specifications

Workshop data for the 1.5-litre petrol (engine code SKYACTIV-G 1,5). 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 (SKYACTIV-G 1,5) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 3
Years: 2016–2019
Fuel: Petrol
Engine code: SKYACTIV-G 1,5

Performance & efficiency

Power: 74 kW (101 hp)
Engine size: 1,496 cc
Cylinders: 4 · DOHC
Compression ratio: 14.0:1
Fuel system: Mazda

Fluids & capacities

Engine oil (with the filter): 4.2 litres

All 92 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity (Fiscal) cc	1496
Compression ratio :1	14,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Description	Map-DI
Trigger location	Cam/Crankshaft
Fuel system Make	Mazda
Fuel system Description	MFI-s(d)
Air metering Type	Mass/MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil supply voltage + with ballast V	12,0

Firing order

The firing order for the Mazda 3 1.5 (2016–2019) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Mazda 3 1.5 (2016–2019) 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 Mazda 3 1.5 (2016–2019) 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 1.59 litres. The specified oil is SAE 75W-80, with classification GL-4.

Coolant

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	-30°C➞40°C
Engine oil grade SAE	0W-20
Engine oil classification API/ACEA	SL/A3, A5
Ambient temperature range	-30°C➞40°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SL/A3, A5
Engine with filter(s) litres	4.2
Other lubricants and capacities
Manual transmission oil grade SAE	75W-80
Manual transmission oil classification	GL-4
Manual transmission litres	1.59
Automatic transmission fluid Type	ATF FZ
Automatic transmission (drain & refill) litres	3.0
View more information	—
Automatic transmission fluid
Automatic transmission (dry fill) litres	7.2
Coolant Type	FL22
Cooling system - total capacity litres	—
Built in Mexico
Brake fluid Type	DOT 3/4
Clutch fluid Type	DOT 3/4

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 3 1.5 (2016–2019) are replaced at a minimum thickness of 23 mm (ventilated) or 23,8 mm (ventilated) front and 7 mm or 7,8 mm rear.

Minimum disc thickness for replacement - ventilated Front	23 mm
Minimum disc thickness after refacing - ventilated Front	23,8 mm
Minimum disc thickness for replacement Rear	7 mm
Minimum disc thickness after refacing Rear	7,8 mm

Brake disc and drum dimensions

Disc runout Front	0,04 mm
Disc runout Rear	0,1 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	2 mm

Service & electrical

Tuning and emissions

Idle speed and ignition timing
Tuning conditions	—
Ignition timing - basic BTDC °Engine/rpm	5/550 Not adjustable
Ignition timing - alternative °Engine/rpm	Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	550±50 Not adjustable
Idle speed - alternative rpm	AT=600±50 Not adjustable

Service checks and adjustments

Compression pressure bar	6,6-9,1
Oil pressure bar/rpm	1,1-1,7/1500
Radiator cap bar	0,93-1,22
Thermostat opens °C	87-90

Fuel system

Fuel feed/lift pump delivery pressure bar	4,1-4,9
Engine coolant temperature (ECT) sensor Ohm/°C	318/80
Injector Ohm	1,7-2,0
Lambda sensor (Oxygen) heater Ohm	2,0-50,0
Throttle motor Ohm	0,3-100

Spark plugs

Spark plugs Original equipment	Mazda
Spark plug Type	PE5R/S-18-110
Electrode gap mm	1,05-1,15

Tightening torques

Other engine tightening torques
Cylinder head instructions	—
View more information	—
Main bearings Stage 1	—
View more information	—
Install bedplate within 10 minutes.
Big end bearings Stage 1	—
View more information	—
Big end bearings
Oil pump to cylinder block	23±3 Nm
Sump bolts	—
View more information	—
Assemble components within 10 minutes. Ensure sealant does not enter bolt holes.
Sump drain bolt	36±5 Nm
Crankshaft pulley/damper centre bolt	100±10 Nm+60°±5°
Camshaft sprocket/gear	—
Camshaft sprocket/gear
Camshaft carrier/cap	1)6 Nm 2)11 Nm
View more information	—
Camshaft carrier/cap
Camshaft/rocker cover	7 Nm
Assemble components within 10 minutes. Excess sealant can cause engine damage.
Inlet manifold to cylinder head	18±2 Nm
Exhaust manifold to cylinder head	54±10 Nm
Exhaust downpipe to manifold	45±6 Nm
Water pump	23±3 Nm
Spark plugs	18±2 Nm
Fuel rail	23±3 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±3 Nm
Lambda sensor (Oxygen)	42±12 Nm
Knock sensor (KS)	20±3 Nm
Engine oil pressure switch	15±2 Nm
Oil filter	14±2 Nm
Chassis tightening torques
Front hub	—
Front/rear hub
Front hub - wheel bearing housing bolts	94±8 Nm
Rear hub - wheel bearing housing bolts	94±8 Nm
Steering wheel	48±6 Nm
Steering rack/box mounting	90±14 Nm
Steering track rod end	53±6 Nm
Brake caliper to carrier Front	—
View more information	—
Brake caliper to carrier
Brake caliper/carrier to hub Front	101±9 Nm
Brake caliper to carrier Rear	—
View more information	—
Brake caliper/carrier to hub Rear	59±7 Nm
ABS sensor Front	9±1 Nm
ABS sensor Rear	9±1 Nm
Road wheels	127±19 Nm

Air conditioning

Do not mix R134a with R1234yf.
No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	—
Air conditioning refrigerant quantity grams	—
Refrigerant quantity
Air conditioning oil group	PAG
Air conditioning oil Type	FD46XG
Air conditioning oil quantity cm³	100

Frequently asked questions

What is the firing order of the Mazda 3 1.5?

The firing order for the Mazda 3 1.5 (2016–2019) is 1-3-4-2.

How much oil does the Mazda 3 1.5 take?

The Mazda 3 1.5 (2016–2019) 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 Mazda 3 1.5?

Valve clearances on the Mazda 3 1.5 (2016–2019) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the minimum brake disc thickness for the Mazda 3 1.5?

Brake discs on the Mazda 3 1.5 (2016–2019) are replaced at a minimum thickness of 23 mm (ventilated) or 23,8 mm (ventilated) front and 7 mm or 7,8 mm rear.