Mazda2002–2005Technical specifications

6 2.0 Turbo: Technical specifications

Workshop data for the 2-litre diesel (engine code MZR-CD (RF-Turbo)). 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 (MZR-CD (RF-Turbo)) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 6
Years: 2002–2005
Fuel: Diesel
Engine code: MZR-CD (RF-Turbo)

Performance & efficiency

Power: 100 kW (136 hp)
Engine size: 1,998 cc
Cylinders: 4 · OHC
Compression ratio: 18.4:1

Fluids & capacities

Engine oil (with the filter): 4.7 litres

All 107 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity cc	1998
Compression ratio :1	18,4

Injection system

Air metering Type	Mass
Pump type	Common rail
Engine coolant temperature (ECT) sensor Ohm/°C	2210-2690/20
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm	1800-2450
Injector Ohm	0,4-0,5

Injection sequence

The injection sequence for the Mazda 6 2.0 Turbo (2002–2005) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Mazda 6 2.0 Turbo (2002–2005) are 0,12-0,18 mm inlet and 0,32-0,38 mm exhaust, measured cold.

Valve clearance - INLET mm	0,12-0,18 cold
Valve clearance - EXHAUST mm	0,32-0,38 cold

Engine oil & fluids

Engine oil

The Mazda 6 2.0 Turbo (2002–2005) 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

The specified manual gearbox oil is SAE 75W-90, with classification GL-4/5.

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

The listed total cooling-system capacity is 9.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞30°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	CF/B1, B3, B4, B5
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	/C1
Ambient temperature range	-15°C➞35°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	CF/B3, B4
Ambient temperature range	-25°C➞45°C
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	CF/B3
Engine with filter(s) litres	4.7
View more information	—
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission oil classification	GL-4/5
Manual transmission litres	2,3 6sp=2,6
Cooling system - total capacity litres	9.0
Brake fluid Type	DOT 3/4
Power steering fluid Type	Dexron II
Power steering fluid litres	0.8

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 6 2.0 Turbo (2002–2005) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.

Minimum disc thickness for replacement - ventilated Front	23 mm
Minimum disc thickness for replacement Rear	8 mm

Brake disc and drum dimensions

Disc runout Front	0,05 mm
Disc runout Rear	0,05 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	2 mm
Parking brake travel No. of notches	3-6

Service & electrical

Tuning and emissions

Idle speed rpm	775±50
Oil temperature °C	60
Water temperature °C	60
Idle speed - for smoke test rpm	725-825
Maximum time at governed speed secs	1,0
Test mode A/B	B
Probe type 1/2	1
Smoke opacity - EU limit m-1 (%)	3,00 (73)

Starting and charging

Battery V/RC(Ah)	12
Alternator output A/V/rpm	90/14,1/2000

Service checks and adjustments

Compression pressure bar	31,0-35,0
Oil pressure bar/rpm	3,4/3000
Radiator cap bar	0,90-1,20
Thermostat opens °C	80-84

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda 6 2.0 Turbo (2002–2005) are tightened in 2 stages: 15 Nm, then a final 29 Nm.

Cylinder head
Maximum bolt length	161 mm
Tighten	15 Nm
Tighten	29 Nm
Tighten	90°-105°
Tighten	90°-105°
Tighten	90°-105°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	40 Nm
Main bearings Stage 2	83-88 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	22-26 Nm
Big end bearings Stage 2	82°-97°
Oil pump to cylinder block	M8=22 Nm M10=45 Nm
Sump bolts	8-11 Nm
Sump drain bolt	30-41 Nm
Flywheel/driveplate	162-171 Nm
Clutch pressure plate	18-26 Nm
Crankshaft pulley/damper centre bolt	—
View more information	—
Camshaft sprocket/gear	55-64 Nm
Camshaft carrier/cap	25-30 Nm
Camshaft/rocker cover	8-11 Nm
Inlet manifold to cylinder head	19-25 Nm
Exhaust manifold to cylinder head	22-26 Nm
Exhaust downpipe to manifold	43-60 Nm
Water pump	38-51 Nm
Injector/clamp	52-61 Nm
Injector pipe unions	50-60 Nm
Fuel/injection pump sprocket/gear	59-68 Nm
Fuel/injection pump flange	19-25 Nm
Fuel/injection pump mounting	19-25 Nm
Glow plugs	15-20 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	8-11 Nm
Engine coolant temperature (ECT) sensor	16-23 Nm
Engine oil pressure switch	12-17 Nm
Chassis tightening torques
Front hub	235-274 Nm
Rear hub	176-235 Nm
Steering wheel	39-49 Nm
Steering rack/box mounting	74-104 Nm
Steering track rod end	33-40 Nm
Brake disc to hub Front	10-15 Nm
Brake caliper to carrier Front	49-53 Nm
Brake caliper/carrier to hub Front	78-102 Nm
Brake disc to hub Rear	10-15 Nm
Brake caliper to carrier Rear	37-49 Nm
ABS sensor Front	18-25 Nm
ABS sensor Rear	18-25 Nm
Road wheels	88-118 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	—
Air conditioning oil group	PAG
Air conditioning oil Type	Atmos GU 10
Air conditioning oil quantity cm³	150
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the injection sequence of the Mazda 6 2.0 Turbo?

The injection sequence for the Mazda 6 2.0 Turbo (2002–2005) is 1-3-4-2.

How much oil does the Mazda 6 2.0 Turbo take?

The Mazda 6 2.0 Turbo (2002–2005) 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 6 2.0 Turbo?

Valve clearances for the Mazda 6 2.0 Turbo (2002–2005) are 0,12-0,18 mm inlet and 0,32-0,38 mm exhaust, measured cold.

What is the cylinder head torque for the Mazda 6 2.0 Turbo?

The cylinder head bolts on the Mazda 6 2.0 Turbo (2002–2005) are tightened in 2 stages: 15 Nm, then a final 29 Nm.

What is the minimum brake disc thickness for the Mazda 6 2.0 Turbo?

Brake discs on the Mazda 6 2.0 Turbo (2002–2005) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.