Mazda1987–1993Technical specifications

929 3.0: Technical specifications

Workshop data for the 3-litre petrol (engine code JE). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (JE) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Mazda
Model
929
Years
1987–1993
Fuel
Petrol
Engine code
JE

Performance & efficiency

Power
140 kW (190 hp)
Engine size
2,954 cc
Cylinders
6 · OHC
Compression ratio
10.0:1
Fuel system
Mazda

Fluids & capacities

Engine oil (with the filter)
4.8 litres
All 145 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type6/OHC
Capacity (Fiscal) cc2954 (2918)
Compression ratio :110,0
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system TypeTSZ-i
Ignition system DescriptionTrans-i
Trigger locationDistributor
Fuel system MakeMazda
Fuel system TypeEGI
Fuel system DescriptionMFI-i
Air metering TypeFlow
Combined ignition and fuel ECMNo
Diagnostic socketYes

Ignition system

Ignition coil supply voltage + with ballast V12,0
Primary resistance Ohm0,72-0,88
Secondary resistance Ohm6000-30000

Firing order

The firing order for the Mazda 929 3.0 (1987–1993) is 1-2-3-4-5-6.

Firing order1-2-3-4-5-6

Valve clearances

Valve clearances on the Mazda 929 3.0 (1987–1993) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mmHydraulic
Valve clearance - EXHAUST mmHydraulic

Engine oil & fluids

Engine oil

The Mazda 929 3.0 (1987–1993) takes 4.8 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 2.5 litres. The specified oil is SAE 75W-80.

Coolant

The listed total cooling-system capacity is 9.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range ➞0°C
Engine oil grade SAE 5W-20, 5W-30
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -18°C➞30°C
Engine oil grade SAE 10W-30
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -18°C➞40°C
Engine oil grade SAE 10W-40
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -18°C➞
Engine oil grade SAE 10W-50
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -10°C➞15°C
Engine oil grade SAE 20W-20
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -10°C➞40°C
Engine oil grade SAE 20W-40
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -10°C➞
Engine oil grade SAE 20W-50
Engine oil classification API/ACEA SJ/A2
Engine with filter(s) litres 4.8
Other lubricants and capacities
Manual transmission oil grade SAE 75W-80
Manual transmission litres 2.5
Differential oil grade - rear SAE 75W-90
Differential rear litres 1.3
Cooling system - total capacity litres 9.5
Brake fluid Type DOT 3/4
Power steering fluid Type Dexron II

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 929 3.0 (1987–1993) are replaced at a minimum thickness of 20 mm (ventilated) front and 8 mm rear.

Minimum disc thickness for replacement - ventilated Front20 mm
Minimum disc thickness for replacement Rear8 mm
Maximum drum diameter for replacement Rear256 mm

Brake disc and drum dimensions

Disc thickness variation Front0,025 mm
Disc thickness variation Rear0,025 Nm
Disc runout Front0,10 mm
Disc runout Rear0,10 mm
Minimum pad thickness Front2 mm
Minimum pad thickness Rear2 mm
Minimum shoe thickness Rear1 mm
Parking brake travel No. of notches5-6

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 929 3.0 (1987–1993) is 5°±1° BTDC at 850 rpm.

CO level and idle speed
Ignition timingWithout vacuum
Ignition timing - basic BTDC °Engine/rpm5±1/850

Battery

The Mazda 929 3.0 (1987–1993) uses a 12 V, 65 Ah battery (reserve capacity 110 minutes).

Battery V/RC(Ah)12/110 (65)

Spark plugs

The Mazda 929 3.0 (1987–1993) uses NGK BCPR6E spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipmentNGK
Spark plug TypeBCPR6E
Electrode gap mm0,8
Spark plugs MakeAutolite
Spark plug Type3922
Electrode gap mm0,7
Spark plugs MakeBeru
Spark plug Type14FR-8DU
Electrode gap mm0,8
Spark plugs MakeBosch
Spark plug TypeFR8DC
Electrode gap mm0,8
Spark plugs MakeChampion
Spark plug TypeRC8YC4
Electrode gap mm1,1
Spark plugs MakeNGK
Spark plug TypeBCPR6E
Electrode gap mm0,8

Tuning and emissions

Tuning conditions—
View more information—
CO level and idle speed
Ignition advanceWithout vacuum and basic timing
Ignition advance checks °Engine/rpm0-2/1000
Ignition advance checks °Engine/rpm11-15/3500
Ignition advance checks °Engine/rpm14-18/5500
Vacuum checkIgnition timing advances
Vacuum range °Engine18-22
Vacuum starts mbar173
Vacuum ends mbar400
Idle speed rpm800±50
Oil temperature °C80
CO level at idle speed - tailpipe Vol. % CO1,5±0,5
HC level at idle speed ppm300
CO2 level at idle speed Vol. % CO213-16
O2 level at idle speed Vol. % O20,5-2,0

Starting and charging

Starter motor MakeMitsubishi
Starter motor Type1,7kW
Minimum starting voltage V8
Maximum cranking amps A176-215
Alternator MakeMitsubishi
Alternator Type70A
Alternator output A/V/rpm60/14,4/2750
Regulated voltage V14,4-15,0

Service checks and adjustments

Compression pressure bar9,3-13,2
Oil pressure bar/rpm3,2-4,2/3000
Radiator cap bar0,74-1,03
Thermostat opens °C77-80
Drive belt size - alternator mm12,5x1025
Drive belt size - PAS/AC mm12,5x950
Drive belt tension - alternator/PAS/AC mm10-12/9-11

Fuel system

System pressure bar2,35-2,75
Engine coolant temperature (ECT) sensor Ohm/°C280-350/80
Injector Ohm12,0-16,0

Tightening torques

Cylinder head instructions—
Cylinder head
View more information—
Cylinder head bolts
Tighten20 Nm
Tighten90°
Tighten90°
Other engine tightening torques
Main bearings Renew bolts/nutsNo
Main bearings Stage 120 Nm+90°
Main bearings Stage 245°
Big end bearings Renew bolts/nutsNo
Big end bearings Stage 129 Nm
Big end bearings Stage 290°
Oil pump to cylinder block8-11 Nm
Sump bolts10 Nm
Sump drain bolt30-40 Nm
Flywheel/driveplate103-110 Nm
Clutch pressure plate18-26 Nm
Crankshaft pulley/damper centre bolt157-167 Nm
Camshaft sprocket/gear71-80 Nm
Camshaft/rocker cover3-5 Nm
Inlet manifold to cylinder head18-25 Nm
Exhaust manifold to cylinder head20-30 Nm
Spark plugs15-23 Nm
Chassis tightening torques
Front hub98-177 Nm
Rear hub235-314 Nm
Steering track rod end30-45 Nm
Brake caliper to carrier Front88 Nm
Brake caliper to carrier Rear20 Nm
Brake caliper/carrier to hub Rear53 Nm
ABS sensor Front20 Nm
ABS sensor Rear20 Nm
Road wheels88-118 Nm

Air conditioning

Air conditioning refrigerant TypeR12
Air conditioning refrigerant quantity grams800
Air conditioning oil TypeDS-83P

Frequently asked questions

What is the firing order of the Mazda 929 3.0?

The firing order for the Mazda 929 3.0 (1987–1993) is 1-2-3-4-5-6.

What spark plugs does the Mazda 929 3.0 use?

The Mazda 929 3.0 (1987–1993) uses NGK BCPR6E spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 929 3.0 take?

The Mazda 929 3.0 (1987–1993) takes 4.8 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 929 3.0?

Valve clearances on the Mazda 929 3.0 (1987–1993) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the ignition timing for the Mazda 929 3.0?

Basic ignition timing for the Mazda 929 3.0 (1987–1993) is 5°±1° BTDC at 850 rpm.

What is the minimum brake disc thickness for the Mazda 929 3.0?

Brake discs on the Mazda 929 3.0 (1987–1993) are replaced at a minimum thickness of 20 mm (ventilated) front and 8 mm rear.

More on the 929