Honda1984–1985Technical specifications

Accord 1.8: Technical specifications

Workshop data for the 1.8-litre petrol (engine code ET1). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (ET1) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Honda
Model: Accord
Years: 1984–1985
Fuel: Petrol
Engine code: ET1

Performance & efficiency

Power: 74 kW (101 hp)
Engine size: 1,829 cc
Cylinders: 4 · OHC
Compression ratio: 9.1:1
Fuel system: Keihin

Fluids & capacities

Engine oil (with the filter): 3.5 litres

All 96 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1829 (1817)
Compression ratio :1	9,1
Suitable for unleaded petrol	Yes
Minimum octane rating RON	91
Ignition system Type	TSZ-i
Ignition system Description	Trans-i
Fuel system Make	Keihin
Fuel system Type	32/34
Fuel system Description	Carb-2V

Ignition system

Ignition coil Make	Hitachi
Ignition coil supply voltage + with ballast V	11,5
Primary resistance Ohm	1,78-2,08
Secondary resistance Ohm	7400-11000
Distributor (ECM) Make	Hitachi

Firing order

The firing order for the Honda Accord 1.8 (1984–1985) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Honda Accord 1.8 (1984–1985) are 0,12-0,17 mm inlet and 0,25-0,30 mm exhaust, measured cold.

Valve clearance - INLET mm	0,12-0,17 cold
Valve clearance - EXHAUST mm	0,25-0,30 cold

Engine oil & fluids

Engine oil

The Honda Accord 1.8 (1984–1985) takes 3.5 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 2.4 litres.

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

Coolant

The listed total cooling-system capacity is 6.8 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞35°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-20°C➞35°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-15°C➞
Engine oil grade SAE	15W-40, 15W-50
Engine oil classification API/ACEA	SG/A2
Ambient temperature range	-10°C➞
Engine oil grade SAE	20W-40, 20W-50
Engine oil classification API/ACEA	SG/A2
Engine with filter(s) litres	3.5
Other lubricants and capacities
Manual transmission oil grade SAE	10W-30, 10W-40
Manual transmission litres	2.4
Automatic transmission fluid Type	Dexron
Automatic transmission (drain & refill) litres	2.8
Cooling system - total capacity litres	6.8

Service & electrical

Ignition timing

Basic ignition timing for the Honda Accord 1.8 (1984–1985) is 18°±2° BTDC at 750 rpm.

Ignition timing	With vacuum
Ignition timing - basic BTDC °Engine/rpm	18±2/750

Battery

The Honda Accord 1.8 (1984–1985) uses a 12 V, 45 Ah battery (reserve capacity 65 minutes).

Battery V/RC(Ah)	12/65 (45)

Spark plugs

The Honda Accord 1.8 (1984–1985) uses NGK BP6R6EY-11 spark plugs with a 1,1 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BP6R6EY-11
Electrode gap mm	1,1
Spark plugs Make	Autolite
Spark plug Type	63
Electrode gap mm	1,1
Spark plugs Make	Bosch
Spark plug Type	WR8DC
Electrode gap mm	0,6
Spark plugs Make	Champion
Spark plug Type	RN9YCC4
Electrode gap mm	1,1
Spark plugs Make	NGK
Spark plug Type	BPR6EY-11
Electrode gap mm	1,1

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	2-6/1000
Ignition advance checks °Engine/rpm	15-16/2600
Ignition advance checks °Engine/rpm	24-28/5500
Vacuum check	Ignition timing advances
Vacuum range °Engine	15-17
Vacuum starts mbar	113
Vacuum ends mbar	446
Idle speed rpm	750±50
Fast idle speed - MT/AT rpm	2000±500
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	2,0 Max
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	Mitsuba
Starter motor Type	SM 302-02
Maximum cranking amps A	122-149
Alternator Make	Nippon Denso
Alternator Type	ND 65A
Alternator output A/V/rpm	65/14/3500
Regulated voltage V	13,9-15,1

Service checks and adjustments

Compression pressure bar	13,0
Oil pressure bar/rpm	3,8-4,6
Thermostat opens °C	82-85
Drive belt size - alternator mm	9,5x950
Drive belt tension - alternator/PAS/AC mm	7-10

Fuel system

Fuel pump delivery pressure bar	0,17-0,22

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Honda Accord 1.8 (1984–1985) are tightened in 2 stages: 30 Nm, then a final 68 Nm.

Cylinder head
Tighten	30 Nm
Tighten	68 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	33 Nm
Main bearings Stage 2	66 Nm
Big end bearings Stage 1	16 Nm
Big end bearings Stage 2	32 Nm
Flywheel/driveplate	105 Nm
Crankshaft pulley/damper centre bolt	115 Nm
Spark plugs	18 Nm
Chassis tightening torques
Front hub	190 Nm
Road wheels	110 Nm

Frequently asked questions

What is the firing order of the Honda Accord 1.8?

The firing order for the Honda Accord 1.8 (1984–1985) is 1-3-4-2.

What spark plugs does the Honda Accord 1.8 use?

The Honda Accord 1.8 (1984–1985) uses NGK BP6R6EY-11 spark plugs with a 1,1 mm electrode gap.

How much oil does the Honda Accord 1.8 take?

The Honda Accord 1.8 (1984–1985) takes 3.5 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 Honda Accord 1.8?

Valve clearances for the Honda Accord 1.8 (1984–1985) are 0,12-0,17 mm inlet and 0,25-0,30 mm exhaust, measured cold.

What is the cylinder head torque for the Honda Accord 1.8?

The cylinder head bolts on the Honda Accord 1.8 (1984–1985) are tightened in 2 stages: 30 Nm, then a final 68 Nm.

What is the ignition timing for the Honda Accord 1.8?

Basic ignition timing for the Honda Accord 1.8 (1984–1985) is 18°±2° BTDC at 750 rpm.