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.
The firing order for the Mazda 2 1.5 (2015–2019) is 1-3-4-2.
Firing order
1-3-4-2
Valve clearances
Valve clearances on the Mazda 2 1.5 (2015–2019) are hydraulic — they self-adjust, so no manual clearance figure applies.
Valve clearance - INLETmm
Hydraulic
Valve clearance - EXHAUSTmm
Hydraulic
02
Engine oil & fluids
Engine oil
The Mazda 2 1.5 (2015–2019) 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 1.6 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
Preferred engine oil
Ambient temperature range
All temperatures
Engine oil grade SAE
—
Engine oil options
Ambient temperature range
All temperatures
Engine oil grade SAE
0W-20
Engine oil classification API/ACEA
SN/A5
Ambient temperature range
All temperatures
Engine oil grade SAE
5W-30
Engine oil classification API/ACEA
SN/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
1.6
Automatic transmission fluid Type
ATF FZ
Automatic transmission (drain & refill) litres
3.0-3.3
View more information
—
Automatic transmission fluid
Automatic transmission (dry fill) litres
7.2
View more information
—
Coolant Type
FL22
Coolant Colour
Green
Cooling system - total capacity litres
—
Cooling system
Brake fluid Type
DOT 3/4
Brake fluid classification
SAE J1703/FMVSS116
Clutch fluid Type
DOT 3/4
Clutch fluid classification
SAE J1703/FMVSS116
03
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 2 1.5 (2015–2019) are replaced at a minimum thickness of 20 mm (ventilated) or 20,8 mm (ventilated) front and 7,5 mm or 8,3 mm rear.
Minimum disc thickness for replacement - ventilatedFront
20 mm
Minimum disc thickness after refacing - ventilatedFront
20,8 mm
Minimum disc thickness for replacementRear
7,5 mm
Minimum disc thickness after refacingRear
8,3 mm
Maximum drum diameter for replacementRear
201,5 mm
Brake disc and drum dimensions
Disc runoutFront
0,04 mm
Disc runoutRear
0,1 mm
Minimum pad thicknessFront
2 mm
Minimum pad thicknessRear
2 mm
Minimum shoe thicknessRear
1,0 mm
Parking brake travelNo. of notches
2-3
04
Service & electrical
Tuning and emissions
Tuning conditions
—
Idle speed and ignition timing
Ignition advance checks°Engine/rpm
ECM Controlled
Idle speedrpm
550±50 Not adjustable
Idle speed - alternativerpm
AT=750±50 Not adjustable
Oil temperature°C
80
CO level at idle speed - tailpipeVol. % CO
0,2 Max Not adjustable
HC level at idle speedppm
100
CO2 level at idle speedVol. % CO2
14,5-16
O2 level at idle speedVol. % O2
0,1-0,5
Increased idle speed for CO testrpm
2500-3000
CO content at increased idle speedVol. %
0,2
Lambda at increased idleλ
0,97-1,03
Starting and charging
BatteryV/RC(Ah)
12
Service checks and adjustments
Compression pressurebar
8,3-,9,3
Oil pressurebar/rpm
1,4-1,7/1500
Radiator capbar
0,93-1,22
Thermostat opens°C
86-90
Fuel system
Fuel feed/lift pump delivery pressurebar
4,3-5,0
Fuel main pump delivery pressurebar
30
Engine coolant temperature (ECT) sensorOhm/°C
318/80
InjectorOhm
1,7-2,0
Lambda sensor (Oxygen) heaterOhm
2,0-50,0
Throttle motorOhm
0,3-100
Spark plugs
Spark plugsOriginal equipment
Mazda
Spark plugType
P51R-18-110
Electrode gapmm
1,05-1,40
05
Tightening torques
Cylinder head instructions
—
Cylinder head
Renew bolts
No
Maximum bolt length
146,5 mm
Tighten
15±2 Nm
Tighten
30±2 Nm
Tighten
90°±5°
Tighten
90°±5°
Other engine tightening torques
Main bearingsRenew bolts/nuts
No
Main bearingsStage 1
—
View more information
—
Install bedplate within 10 minutes.
Big end bearingsRenew bolts/nuts
No
Big end bearingsStage 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
Flywheel/driveplate
—
Flywheel/driveplate
Clutch pressure plate
29±4 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
6±1 Nm
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
15±1 Nm
Lambda sensor (Oxygen)
42±12 Nm
Knock sensor (KS)
20±3 Nm
Engine oil pressure switch
16±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
78±7 Nm
Steering wheel
48±6 Nm
Steering rack/box mounting
90±14 Nm
Steering track rod end
53±6 Nm
Steering track rod end
Brake caliper to carrierFront
26±5 Nm
Brake caliper/carrier to hubFront
92±10 Nm
Brake disc to hubRear
12±2 Nm
Brake caliper to carrierRear
26±5 Nm
Brake caliper/carrier to hubRear
59±7 Nm
ABS sensorFront
9±1 Nm
ABS sensorRear
9±1 Nm
Road wheels
128±19 Nm
06
Air conditioning
No. of AC service connectors
2
Air conditioning restrictor type
Expansion valve
Compressor clutch/magnetic coupling
Yes
Compressor variable displacement solenoid
No
Air conditioning refrigerantType
R134a/R1234yf
Do not mix R134a with R1234yf.
Air conditioning refrigerant quantitygrams
R134a=420±25 R1234yf=385±25
Air conditioning oil group
PAG
Air conditioning oilType
R134a=ZXL200PG R1234yf=VC200YF
Air conditioning oil quantitycm³
60
Air conditioning oil viscosityISO
46
Frequently asked questions
What is the firing order of the Mazda 2 1.5?
The firing order for the Mazda 2 1.5 (2015–2019) is 1-3-4-2.
How much oil does the Mazda 2 1.5 take?
The Mazda 2 1.5 (2015–2019) 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 2 1.5?
Valve clearances on the Mazda 2 1.5 (2015–2019) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the minimum brake disc thickness for the Mazda 2 1.5?
Brake discs on the Mazda 2 1.5 (2015–2019) are replaced at a minimum thickness of 20 mm (ventilated) or 20,8 mm (ventilated) front and 7,5 mm or 8,3 mm rear.