Toyota1984–1986Technical specifications

Corolla 1.6: Technical specifications

Workshop data for the 1.6-litre petrol (engine code 4A-LC). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (4A-LC) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Toyota
Model: Corolla
Years: 1984–1986
Fuel: Petrol
Engine code: 4A-LC

Performance & efficiency

Power: 54 kW (73 hp)
Engine size: 1,587 cc
Cylinders: 4 · OHC
Compression ratio: 9.0:1
Fuel system: Aisan

Fluids & capacities

Engine oil (with the filter): 3.3 litres

All 90 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1587 (1577)
Compression ratio :1	9,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Type	SZ
Ignition system Description	CB
Fuel system Make	Aisan
Fuel system Type	16070
Fuel system Description	Carb-2V

Ignition system

Ignition coil Make	Denso
Ignition coil supply voltage + with ballast V	4,5 +
Ballast resistance Ohm	1,3-1,5
Primary resistance Ohm	1,3-1,6
Secondary resistance Ohm	10700-14500
Distributor (ECM) Make	Denso
Distributor (ECM) No.	19100/16030
Contact breaker gap/trigger air gap mm	0,45
Dwell angle °(%)	46-58 (51-64)

Firing order

The firing order for the Toyota Corolla 1.6 (1984–1986) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Toyota Corolla 1.6 (1984–1986) are 0,20 mm inlet and 0,30 mm exhaust, measured hot.

Valve clearance - INLET mm	0,20 hot
Valve clearance - EXHAUST mm	0,30 hot

Engine oil & fluids

Engine oil

The Toyota Corolla 1.6 (1984–1986) takes 3.3 litres of engine oil with the filter.

A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SE.

A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

Manual gearbox

The manual gearbox has a listed capacity of 2.3 litres. The specified oil is SAE 80W-90.

Coolant

The listed total cooling-system capacity is 6.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SE
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	20W-50
Engine with filter(s) litres	3.3
Other lubricants and capacities
Manual transmission oil grade SAE	80W-90
Manual transmission litres	2.3
Automatic transmission fluid Type	Dexron II
Automatic transmission (drain & refill) litres	2.3
Differential oil grade - front SAE	Dexron II
Differential front/AT litres	AT=1,4
Differential oil grade - rear SAE	90W
Cooling system - total capacity litres	6.0

Service & electrical

Ignition timing

Basic ignition timing for the Toyota Corolla 1.6 (1984–1986) is 5°±2° BTDC at 750 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	5±2/750

Battery

The Toyota Corolla 1.6 (1984–1986) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

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

Spark plugs

The Toyota Corolla 1.6 (1984–1986) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR5EY
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	WR8DC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BPR5EY
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0-5/1400
Ignition advance checks °Engine/rpm	16-20/3000
Ignition advance checks °Engine/rpm	23-27/5400
Vacuum check	Ignition timing advances
Vacuum range °Engine	10-14
Vacuum starts mbar	107
Vacuum ends mbar	400
Idle speed rpm	700-850
Idle speed - alternative rpm	AT=750-900
Fast idle speed - MT/AT rpm	3000±200
Oil temperature °C	60-80
CO level at idle speed - tailpipe Vol. % CO	0,5 Max
CO level at idle speed - sample pipe Vol. % CO	1,5±0,5
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

Starting and charging

Starter motor Make	Denso
Starter motor Type	0,8 kW
Minimum starting voltage V	11,0
Maximum cranking amps A	162-198
Alternator Make	Nippon Denso
Alternator output A/V/rpm	45/14/2500
Regulated voltage V	13,8-14,8

Service checks and adjustments

Compression pressure bar	9,0-12,5
Oil pressure bar/rpm	2,5-5,0/6000
Radiator cap bar	0,75-1,05
Thermostat opens °C	80-84
Drive belt tension - alternator/PAS/AC mm	10-12/6-8

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota Corolla 1.6 (1984–1986) are tightened in 3 stages: 25 Nm, then 45 Nm, then a final 53-64 Nm.

Cylinder head
Tighten	25 Nm
Tighten	45 Nm
Tighten	53-64 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	26-32 Nm
Main bearings Stage 2	53-64 Nm
Big end bearings Stage 1	17-22 Nm
Big end bearings Stage 2	35-44 Nm
Flywheel/driveplate	83 Nm/83 Nm
Crankshaft pulley/damper centre bolt	108-127 Nm
Spark plugs	15-20 Nm
Chassis tightening torques
Front hub	185 Nm
Rear hub	123 Nm
Road wheels	103 Nm

Frequently asked questions

What is the firing order of the Toyota Corolla 1.6?

The firing order for the Toyota Corolla 1.6 (1984–1986) is 1-3-4-2.

What spark plugs does the Toyota Corolla 1.6 use?

The Toyota Corolla 1.6 (1984–1986) uses NGK BPR5EY spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota Corolla 1.6 take?

The Toyota Corolla 1.6 (1984–1986) takes 3.3 litres of engine oil with the filter. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification SE. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Toyota Corolla 1.6?

Valve clearances for the Toyota Corolla 1.6 (1984–1986) are 0,20 mm inlet and 0,30 mm exhaust, measured hot.

What is the cylinder head torque for the Toyota Corolla 1.6?

The cylinder head bolts on the Toyota Corolla 1.6 (1984–1986) are tightened in 3 stages: 25 Nm, then 45 Nm, then a final 53-64 Nm.

What is the ignition timing for the Toyota Corolla 1.6?

Basic ignition timing for the Toyota Corolla 1.6 (1984–1986) is 5°±2° BTDC at 750 rpm.