Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity (Fiscal) cc | 2606 |
| Compression ratio :1 | 8,4 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 91 |
| Ignition system Make | Mazda |
| Ignition system Description | Map-DIS |
| Fuel system Make | Mazda |
| Fuel system Description | MFI-i |
| Air metering Type | Mass |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12,0 |
|---|---|
| Primary resistance Ohm | 0,81-0,99 |
| Secondary resistance Ohm | 10000-16000 |
Firing order
The firing order for the Mazda B Series 2.6 (1999–2006) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Mazda B Series 2.6 (1999–2006) 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 B Series 2.6 (1999–2006) takes 4.7 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Manual gearbox
See the reference table for the complete manual gearbox entries and their conditions.
Transfer box
The transfer box has a listed capacity of 2.0 litres.
See the reference table for the complete transfer box entries and their conditions.
Coolant
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | ➞0°C |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SJ/A2 |
| Ambient temperature range | -25°C➞ |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | SJ/A2 |
| Engine with filter(s) litres | 4.7 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | — |
| Manual transmission oil grade | |
| Manual transmission oil classification | GL-4/5 |
| Manual transmission litres | — |
| Manual transmission | |
| Differential oil grade - front SAE | 90 |
| Differential oil grade | |
| Differential oil classification - front | GL-5 |
| Differential front/AT litres | 1.5 |
| Differential oil grade - rear SAE | 90 |
| Differential oil classification - rear | GL-5 LSD=GL-6 |
| Differential rear litres | 1,4 4x4=1,9 |
| Transfer box oil grade SAE | — |
| Transfer box oil grade | |
| Transfer box oil classification | GL-4/5 |
| Transfer box litres | 2.0 |
| Cooling system - total capacity litres | 7.5 |
| Brake fluid Type | DOT 3/4 |
| Power steering fluid Type | Dexron II |
| Power steering fluid litres | 1.1 |
Brakes & wear limits
Brake disc and drum dimensions
| Minimum disc thickness for replacement - ventilated Front | 22 mm 4x4=26 mm |
|---|---|
| Disc runout Front | 0,05 mm |
| Maximum drum diameter for replacement Rear | 271,5 mm 4x4=296,5 mm |
| Minimum pad thickness Front | 2 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 1-7 |
Service & electrical
Battery
The Mazda B Series 2.6 (1999–2006) uses a 12 V, 55 Ah battery.
| Battery V/RC(Ah) | 12 (55) |
|---|
Spark plugs
The Mazda B Series 2.6 (1999–2006) uses Denso KJ16CR11 spark plugs with a 1,0 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | KJ16CR11 |
| Electrode gap mm | 1,0 |
| Spark plugs Make | NGK |
| Spark plug Type | ZFR6F-11 |
| Electrode gap mm | 1,0 |
Tuning and emissions
| Tuning conditions | — |
|---|---|
| View more information | — |
| Ignition timing and idle speed | |
| Ignition timing - basic BTDC °Engine/rpm | 6±1/750±20 |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 750±20 |
| Idle speed and ignition timing | |
| Oil temperature °C | 70 |
| CO level at idle speed - tailpipe Vol. % CO | 0,5 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| Increased idle speed for CO test rpm | 2500-2800 |
| CO content at increased idle speed Vol. % | 0,3 |
| Lambda at increased idle λ | 0,97-1,03 |
Starting and charging
| Maximum cranking amps A | 100 |
|---|---|
| Alternator output A/V/rpm | 60-74/14/2000 |
Service checks and adjustments
| Compression pressure bar | 9,0-13,0 |
|---|---|
| Oil pressure bar/rpm | 3,1-4,1/3000 |
| Radiator cap bar | 0,75-1,05 |
| Thermostat opens °C | 100 |
| Drive belt tension - alternator/PAS/AC mm | 10-12/7-8 |
| Drive belt tension - AC mm | 8-10 |
Fuel system
| System pressure bar | 3,8-4,5 |
|---|---|
| Regulated pressure with vacuum bar | 3,1-3,5 |
| Injector Ohm | 12,0-16,0 |
| Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm | 7,7-9,3 |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| Cylinder head | |
| Renew bolts | No |
| Tighten | 23±3 Nm |
| Tighten | 53±3 Nm |
| Tighten | 83±3 Nm |
| Tighten | M8=22 Nm |
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 43±2 Nm |
| Main bearings Stage 2 | 86±2 Nm |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 33 Nm |
| Big end bearings Stage 2 | 67±1 Nm |
| Oil pump to cylinder block | 10±1 Nm |
| Sump bolts | 10±1 Nm |
| Sump drain bolt | 35±5 Nm |
| Flywheel/driveplate | 95±4 Nm |
| Clutch pressure plate | 23±3 Nm |
| Crankshaft pulley/damper centre bolt | 187±9 Nm |
| Camshaft sprocket/gear | 55±5 Nm |
| Camshaft carrier/cap | 22±3 Nm |
| Camshaft/rocker cover | 9 Nm |
| Inlet manifold to cylinder head | 23±3 Nm |
| Exhaust manifold to cylinder head | 25±3 Nm |
| Exhaust downpipe to manifold | 45±7 Nm |
| Water pump | 23±3 Nm |
| Spark plugs | 19±4 Nm |
| Fuel rail | 23±3 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 10±2 Nm |
| Camshaft position (CMP) sensor | 10±2 Nm |
| Engine coolant temperature (ECT) sensor | 27±2 Nm |
| Lambda sensor (Oxygen) | 39±10 Nm |
| Engine oil pressure switch | 15±2 Nm |
| Chassis tightening torques | |
| Front hub | 4x4= |
| Front hub | |
| Steering wheel | 45±5 Nm |
| Steering rack/box mounting | 46±8 Nm |
| Steering track rod end | 52±6 Nm |
| Brake disc to hub Front | 61±7 Nm |
| Brake caliper to carrier Front | 32±2 Nm |
| Brake caliper/carrier to hub Front | 120±17 Nm |
| ABS sensor Front | 22±3 Nm |
| ABS sensor Rear | 22±3 Nm |
| Road wheels | 103±14 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 | R134a |
| Air conditioning refrigerant quantity grams | 550 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | FD46XG |
| Air conditioning oil quantity cm³ | 180 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Mazda B Series 2.6?
The firing order for the Mazda B Series 2.6 (1999–2006) is 1-3-4-2.
What spark plugs does the Mazda B Series 2.6 use?
The Mazda B Series 2.6 (1999–2006) uses Denso KJ16CR11 spark plugs with a 1,0 mm electrode gap.
How much oil does the Mazda B Series 2.6 take?
The Mazda B Series 2.6 (1999–2006) takes 4.7 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 B Series 2.6?
Valve clearances on the Mazda B Series 2.6 (1999–2006) are hydraulic — they self-adjust, so no manual clearance figure applies.
What battery does the Mazda B Series 2.6 use?
The Mazda B Series 2.6 (1999–2006) uses a 12 V, 55 Ah battery.