Mazda2006–2011Technical specifications

BT-50 3.0 Turbo: Technical specifications

Workshop data for the 3-litre diesel (engine code WE-C). 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 (WE-C) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: BT-50
Years: 2006–2011
Fuel: Diesel
Engine code: WE-C

Performance & efficiency

Power: 115 kW (156 hp)
Engine size: 2,953 cc
Cylinders: 4 · DOHC
Compression ratio: 18:1
Fuel system: Bosch

Fluids & capacities

Engine oil (with the filter): 7.0 litres

All 100 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity cc	2953
Compression ratio :1	18
Fuel system Make	Bosch

Injection system

Fuel/injection pump assembly Make	Bosch
Pump type	Common rail

Injection sequence

The injection sequence for the Mazda BT-50 3.0 Turbo (2006–2011) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Mazda BT-50 3.0 Turbo (2006–2011) are 0,10-0,16 mm inlet and 0,17-0,23 mm exhaust, measured cold.

Valve clearance - INLET mm	0,10-0,16 cold
Valve clearance - EXHAUST mm	0,17-0,23 cold

Engine oil & fluids

Engine oil

The Mazda BT-50 3.0 Turbo (2006–2011) takes 7.0 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.

Transfer box

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

See the reference table for the complete transfer box entries and their conditions.

Coolant

The listed total cooling-system capacity is 9.4 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	CF/B1, B3, B5
Engine with filter(s) litres	7.0
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission oil classification	GL-4/5
Manual transmission litres	2,8 4x4=3,5
Differential oil grade - front SAE	90W
Differential oil classification - front	GL-5
Differential front/AT litres	2.0
Differential oil grade - rear SAE	80W-90 LSD=90W
Differential oil classification - rear	GL-5 LSD=GL-6
Differential rear litres	2.4-3.0
Transfer box oil grade SAE	75W-90
Transfer box oil classification	GL-4/5
Transfer box litres	2,0 AT=1,2
Cooling system - total capacity litres	9.4
Brake fluid Type	DOT 3/4
Brake fluid litres	1.1
Power steering fluid Type	Dexron II/ATF M-III

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
Minimum pad thickness Front	2 mm
Maximum drum diameter for replacement Rear	271,5 mm 4x4=296,5 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	1-7

Service & electrical

Battery

The Mazda BT-50 3.0 Turbo (2006–2011) uses a 12 V, 64 Ah battery.

Battery V/RC(Ah)	12 (64)

Tuning and emissions

Idle speed rpm	720±50
Idle speed - alternative rpm	AC=750±25
Oil temperature °C	80
Idle speed - for smoke test rpm	670-770
Governed speed range - for smoke test rpm	4750-5000
Maximum time at governed speed secs	1,0
Test mode A/B	B
Probe type 1/2	1
Smoke opacity - EU limit m-1 (%)	1,50 (48)
Smoke opacity - homologation value m-1 (%)	1,50 (48)

Starting and charging

Maximum cranking amps A	130
Alternator output A/V/rpm	70/14/2000

Service checks and adjustments

Compression pressure bar	29
Oil pressure bar/rpm	4,1-5,7/2500
Radiator cap bar	0,94-1,22
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	8-10
Drive belt tension - AC mm	11-12,5

Tightening torques

Other engine tightening torques
Cylinder head instructions	—
View more information	—
Main bearings Renew bolts/nuts	—
Big end bearings Renew bolts/nuts	Yes
Big end bearings Stage 1	49±3 Nm
Big end bearings Stage 2	90±7°
Oil pump to cylinder block	22±3 Nm
Sump bolts	10 Nm
Sump drain bolt	35±4 Nm
Flywheel/driveplate	156±5 Nm
Clutch pressure plate	22±4 Nm
Crankshaft pulley/damper centre bolt	416±25 Nm
Camshaft sprocket/gear	132±8 Nm
Camshaft carrier/cap	11 Nm
Camshaft/rocker cover	11 Nm
View more information	—
Inlet manifold to cylinder head	22±3 Nm
Exhaust manifold to cylinder head	24±3 Nm
Exhaust downpipe to manifold	45±6 Nm
Water pump	22±3 Nm
Injector/clamp	23±3 Nm
Injector pipe unions	27±2 Nm
Fuel/injection pump sprocket/gear	64±5 Nm
Fuel/injection pump flange	22±3 Nm
Fuel/injection pump mounting	22±3 Nm
Glow plugs	18±2 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	11 Nm
Engine coolant temperature (ECT) sensor	20±3 Nm
Engine oil pressure switch	15±2 Nm
Chassis tightening torques
Front hub	4x4=274±40 Nm
Steering wheel	45±5 Nm
Steering rack/box mounting	46±8 Nm
Steering track rod end	51±7 Nm
Steering box drop arm	157±10 Nm
Brake disc to hub Front	4x2=61±7 Nm
Brake caliper to carrier Front	32±2 Nm
Brake caliper/carrier to hub Front	117±10 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	475
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 injection sequence of the Mazda BT-50 3.0 Turbo?

The injection sequence for the Mazda BT-50 3.0 Turbo (2006–2011) is 1-3-4-2.

How much oil does the Mazda BT-50 3.0 Turbo take?

The Mazda BT-50 3.0 Turbo (2006–2011) takes 7.0 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 BT-50 3.0 Turbo?

Valve clearances for the Mazda BT-50 3.0 Turbo (2006–2011) are 0,10-0,16 mm inlet and 0,17-0,23 mm exhaust, measured cold.

What battery does the Mazda BT-50 3.0 Turbo use?

The Mazda BT-50 3.0 Turbo (2006–2011) uses a 12 V, 64 Ah battery.