Mazda1987–1992Technical specifications

626 2.0 12V: Technical specifications

Workshop data for the 2-litre petrol (engine code FE). 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 (FE) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 626
Years: 1987–1992
Fuel: Petrol
Engine code: FE

Performance & efficiency

Power: 79 kW (107 hp)
Engine size: 1,998 cc
Cylinders: 4 · OHC
Compression ratio: 9.5:1
Fuel system: Hitachi

Fluids & capacities

Engine oil (with the filter): 3.9 litres

All 126 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1998 (1984)
Compression ratio :1	9,5
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Type	HEI
Ignition system Description	Trans-i
Trigger location	Distributor
Fuel system Make	Hitachi
Fuel system Description	Carb-2V
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Hanshin
Ignition coil supply voltage + with ballast V	11,0
Primary resistance Ohm	1,04-1,27
Secondary resistance Ohm	7100-9700
Distributor (ECM) Make	Mitsubishi

Firing order

The firing order for the Mazda 626 2.0 12V (1987–1992) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Mazda 626 2.0 12V (1987–1992) 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 626 2.0 12V (1987–1992) takes 3.9 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 3.4 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 7.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞0°C
Engine oil grade SAE	5W-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	3.9
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	3.4
Automatic transmission fluid Type	Dexron II
Automatic transmission (dry fill) litres	6.2
Cooling system - total capacity litres	7.5
Brake fluid Type	DOT 3/4
Power steering fluid Type	Dexron II
Power steering fluid litres	1.0

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 626 2.0 12V (1987–1992) are replaced at a minimum thickness of 18 mm (ventilated) front and 8 mm rear.

Minimum disc thickness
Minimum disc thickness for replacement - ventilated Front	18 mm
Minimum disc thickness for replacement Rear	8 mm
Maximum drum diameter for replacement Rear	230,1 mm

Brake disc and drum dimensions

Minimum disc thickness
Disc runout Front	0,10 mm
Disc runout Rear	0,10 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	1 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	5-7

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 626 2.0 12V (1987–1992) is 6°±1° BTDC at 800 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	6±1/800

Battery

The Mazda 626 2.0 12V (1987–1992) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

Battery V/RC(Ah)	12/90 (60)

Spark plugs

The Mazda 626 2.0 12V (1987–1992) uses NGK BCPR6-VG 90-=BKR6E spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BCPR6-VG 90-=BKR6E
Electrode gap mm	0,8
Spark plugs Make	Autolite
Spark plug Type	APP64
Electrode gap mm	0,8
Spark plugs Make	Beru
Spark plug Type	14FR-7DU
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	FR7DC
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RC9YC4
Electrode gap mm	1,1
Spark plugs Make	NGK
Spark plug Type	BCPR6-VG 90-=BKR6E
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0-2/1200
Ignition advance checks °Engine/rpm	10-14/4000
Ignition advance checks °Engine/rpm	16-20/5000
Vacuum check	Ignition timing advances
Vacuum range °Engine	11-15
Vacuum starts mbar	160
Vacuum ends mbar	400
Idle speed rpm	800-850
Idle speed - alternative rpm	AT=900-950
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	2,0±0,5
HC level at idle speed ppm	300
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Starter motor Make	Mitsubishi
Starter motor Type	1,4 kW
Maximum cranking amps A	162-198
Alternator Make	Nippon Denso
Alternator output A/V/rpm	70/14,5/3000
Regulated voltage V	14,1-14,7

Service checks and adjustments

Compression pressure bar	10,0-14,2
Oil pressure bar/rpm	2,9-3,9/3000
Radiator cap bar	0,74-1,03
Thermostat opens °C	87-89
Drive belt size - alternator mm	4PKx870
Drive belt size - PAS/AC mm	5PKx1010
Drive belt tension - alternator/PAS/AC mm	7-9/9-11

Fuel system

Fuel pump delivery pressure bar	0,20-0,29

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda 626 2.0 12V (1987–1992) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.

Cylinder head
Renew bolts	No
Tighten	20-26 Nm
Tighten	50-56 Nm
Tighten	80-86 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	41 Nm
Main bearings Stage 2	82-88 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	33 Nm
Big end bearings Stage 2	65-69 Nm
Oil pump to cylinder block	—
Oil pump to cylinder block
Sump bolts	7-11 Nm
Sump drain bolt	30-41 Nm
Flywheel/driveplate	100 Nm/100 Nm
Clutch pressure plate	18-26 Nm
Crankshaft pulley/damper centre bolt	157-167 Nm
Camshaft sprocket/gear	47-65 Nm
Camshaft carrier/cap	18-26 Nm
Camshaft/rocker cover	6-8 Nm
Inlet manifold to cylinder head	20-30 Nm
Exhaust manifold to cylinder head	20-30 Nm
Spark plugs	15-23 Nm
Chassis tightening torques
Front hub	235-319 Nm
Rear hub	98-117 Nm
Steering track rod end	29-44 Nm
Brake caliper to carrier Front	31-41 Nm
Brake caliper/carrier to hub Front	78-98 Nm
ABS sensor Front	20 Nm
ABS sensor Rear	20 Nm
Road wheels	88-118 Nm

Air conditioning

Air conditioning refrigerant Type	R12
Air conditioning refrigerant quantity grams	800
Air conditioning oil Type	DS-83P
Air conditioning oil quantity cm³	150

Frequently asked questions

What is the firing order of the Mazda 626 2.0 12V?

The firing order for the Mazda 626 2.0 12V (1987–1992) is 1-3-4-2.

What spark plugs does the Mazda 626 2.0 12V use?

The Mazda 626 2.0 12V (1987–1992) uses NGK BCPR6-VG 90-=BKR6E spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 626 2.0 12V take?

The Mazda 626 2.0 12V (1987–1992) takes 3.9 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 626 2.0 12V?

Valve clearances on the Mazda 626 2.0 12V (1987–1992) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Mazda 626 2.0 12V?

The cylinder head bolts on the Mazda 626 2.0 12V (1987–1992) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.

What is the ignition timing for the Mazda 626 2.0 12V?

Basic ignition timing for the Mazda 626 2.0 12V (1987–1992) is 6°±1° BTDC at 800 rpm.