Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity cc | 1499 |
| Compression ratio :1 | 14,8 |
Injection system
| Air metering Type | Mass/MAP |
|---|---|
| Pump type | Common rail |
| Engine coolant temperature (ECT) sensor Ohm/°C | 318/80 |
| Intake air temperature (IAT) sensor Ohm/°C | 2490-2790/20 |
Injection sequence
The injection sequence for the Mazda 3 1.5 (2015–2016) is 1-3-4-2.
| Injection sequence | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Mazda 3 1.5 (2015–2016) 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 Mazda 3 1.5 (2015–2016) takes 5.1 litres of engine oil with the filter.
A listed engine oil option is SAE 0W-30 for all ambient temperatures, with API/ACEA classification /C3.
A listed engine oil option is SAE 5W-30 for all ambient temperatures, with API/ACEA classification /C3.
Manual gearbox
The manual gearbox has a listed capacity of 1.65 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
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-30 |
| Engine oil classification API/ACEA | /C3 |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | /C3 |
| Engine with filter(s) litres | 5.1 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W-80 |
| Manual transmission oil classification | GL-4 |
| Manual transmission litres | 1.65 |
| Automatic transmission fluid Type | ATF FZ |
| Automatic transmission (drain & refill) litres | 3.3 |
| View more information | — |
| Automatic transmission (dry fill) litres | 7.8 |
| Coolant Type | FL22 |
| Coolant Colour | Green |
| Cooling system - total capacity litres | — |
| Cooling system | |
| 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 (2015–2016) 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 rpm | 800±50 |
|---|
Service checks and adjustments
| Compression pressure bar | 18,0-23,5 |
|---|---|
| Oil pressure bar/rpm | 1,1-1,8/1500 |
| Oil pressure | |
| Radiator cap bar | 0,93-1,23 |
| Thermostat opens °C | 101-105 |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| Cylinder head | |
| Maximum bolt length | 146,5 mm |
| Tighten | 15±2 Nm |
| Tighten | 34±2 Nm |
| Tighten | 90°±5° |
| Tighten | 90°±5° |
| Other engine tightening torques | |
| Main bearings Stage 1 | — |
| View more information | — |
| Install bedplate within 10 minutes. | |
| Big end bearings Stage 1 | — |
| View more information | — |
| Big end bearings | |
| 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 | 132±8 Nm |
| Camshaft carrier/cap | 1)6 Nm 2)11 Nm |
| View more information | — |
| Assemble components within 10 minutes. Excess sealant can cause engine damage. | |
| Injector/clamp | 2±0,5 Nm +120°±3° |
| Injector pipe unions | 37±5 Nm |
| Glow plugs | 18±2 Nm |
| Oil filter | 18±2 Nm |
| Chassis tightening torques | |
| Front hub | — |
| Front/rear hub | |
| Brake caliper to carrier Front | — |
| View more information | — |
| 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 |
| Road wheels | 128±19 Nm |
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 refrigerant Type | — |
| Do not mix R134a with R1234yf. | |
| Air conditioning refrigerant quantity grams | — |
| Air conditioning oil Type | FD46XG |
| Air conditioning oil quantity cm³ | 100 |
Frequently asked questions
What is the injection sequence of the Mazda 3 1.5?
The injection sequence for the Mazda 3 1.5 (2015–2016) is 1-3-4-2.
How much oil does the Mazda 3 1.5 take?
The Mazda 3 1.5 (2015–2016) takes 5.1 litres of engine oil with the filter. A listed engine oil option is SAE 0W-30 for all ambient temperatures, with API/ACEA classification /C3. A listed engine oil option is SAE 5W-30 for all ambient temperatures, with API/ACEA classification /C3.
What are the valve clearances for the Mazda 3 1.5?
Valve clearances on the Mazda 3 1.5 (2015–2016) 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 (2015–2016) are replaced at a minimum thickness of 23 mm (ventilated) or 23,8 mm (ventilated) front and 7 mm or 7,8 mm rear.