Honda1999–2003Technical specifications

Accord 1.8: Technical specifications

Workshop data for the 1.8-litre petrol (engine code F18B4). 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 (F18B4) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Honda
Model: Accord
Years: 1999–2003
Fuel: Petrol
Engine code: F18B4

Performance & efficiency

Power: 100 kW (136 hp)
Engine size: 1,850 cc
Cylinders: 4 · OHC
Compression ratio: 10.0:1
Fuel system: Honda

Fluids & capacities

Engine oil (with the filter): 4.4 litres

All 118 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1850
Compression ratio :1	10,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Honda
Ignition system Description	Map-i
Trigger location	Distributor/Crankshaft
Fuel system Make	Honda
Fuel system Type	PGM-FI
Fuel system Description	MFI-s
Air metering Type	MAP
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil supply voltage + with ballast V	12,0
Primary resistance Ohm	0,45-0,55
Secondary resistance Ohm	22400-33600

Firing order

The firing order for the Honda Accord 1.8 (1999–2003) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Honda Accord 1.8 (1999–2003) are 0,24-0,28 mm inlet and 0,28-0,32 mm exhaust, measured cold.

Valve clearance - INLET mm	0,24-0,28 cold
Valve clearance - EXHAUST mm	0,28-0,32 cold

Engine oil & fluids

Engine oil

The Honda Accord 1.8 (1999–2003) takes 4.4 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

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

Coolant

See the reference table for the complete coolant entries and their conditions.

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	SJ/A2
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-15°C➞
Engine oil grade SAE	15W-40, 15W-50
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-10°C➞
Engine oil grade SAE	20W-40, 20W-50
Engine oil classification API/ACEA	SJ/A2
Engine with filter(s) litres	4.4
Other lubricants and capacities
Manual transmission oil grade SAE	—
Gearbox oil grade
Manual transmission litres	1.9
Automatic transmission fluid Type	Dexron II
Automatic transmission (drain & refill) litres	2.5
Automatic transmission (dry fill) litres	6.1
Cooling system - total capacity litres	4.2

Brakes & wear limits

Brake disc thickness

Brake discs on the Honda Accord 1.8 (1999–2003) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.

Minimum disc thickness for replacement - ventilated Front	23 mm
Minimum disc thickness for replacement Rear	8 mm

Brake disc and drum dimensions

Disc thickness variation Front	0,015 mm
Disc thickness variation Rear	0,015 mm
Disc runout Front	0,10 mm
Disc runout Rear	0,10 mm
Minimum pad thickness Front	1,6 mm
Minimum pad thickness Rear	1,6 mm
Parking brake travel No. of notches	6-9

Service & electrical

Ignition timing

Basic ignition timing for the Honda Accord 1.8 (1999–2003) is 12°±2° BTDC at 750 rpm.

Ignition timing
Ignition timing - basic BTDC °Engine/rpm	12±2/750
Ignition timing - alternative °Engine/rpm	AT=12±2/730

Battery

The Honda Accord 1.8 (1999–2003) uses a 12 V, 57 Ah battery.

Battery V/RC(Ah)	12 (57)

Spark plugs

The Honda Accord 1.8 (1999–2003) uses Denso KJ20CR-L11 spark plugs with a 1,1 mm electrode gap.

Spark plugs Original equipment	Denso
Spark plug Type	KJ20CR-L11
Electrode gap mm	1,1
Spark plugs Make	NGK
Spark plug Type	ZFR6F-11
Electrode gap mm	1,1

Tuning and emissions

Ignition timing
Tuning conditions	—
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	750±50 Not adjustable
Idle speed - alternative rpm	AT=730±50 Not adjustable
Oil temperature °C	80
CO level at idle speed - tailpipe Vol. % CO	0,1 Max Not adjustable
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
Increased idle speed for CO test rpm	2300-2700
CO content at increased idle speed Vol. %	0,3
Lambda at increased idle λ	0,97-1,03

Starting and charging

Maximum cranking amps A	149-182
Alternator output A/V/rpm	90/13,5/2000

Service checks and adjustments

Compression pressure bar	9,3-14,2
Oil pressure bar/rpm	3,5/3000
Radiator cap bar	0,93-1,23
Thermostat opens °C	76-80

Fuel system

System pressure bar	2,8-3,3
Engine coolant temperature (ECT) sensor Ohm/°C	300-400/80
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm	2010-2510
Injector Ohm	11,0-20,0
Lambda sensor (Oxygen) heater Ohm	3,3

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Honda Accord 1.8 (1999–2003) are tightened in 4 stages: 29 Nm, then 90°, then 90°, then a final 90°.

Cylinder head
Renew bolts	Yes
Tighten	29 Nm
Tighten	90°
Tighten	90°
Tighten	90°

Other engine tightening torques
Cylinder head instructions	—
Big end bearings Renew bolts/nuts	Yes
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	90°
Oil pump to cylinder block	11 Nm
Sump bolts	1)6 Nm 2)12 Nm
Sump drain bolt	44 Nm
Flywheel/driveplate	103 Nm/74 Nm
Clutch pressure plate	25 Nm
Crankshaft pulley/damper centre bolt	245 Nm
Camshaft sprocket/gear	59 Nm
Camshaft carrier/cap	—
Camshaft carrier caps
Camshaft/rocker cover	10 Nm
Inlet manifold to cylinder head	23 Nm
Exhaust manifold to cylinder head	31 Nm
Spark plugs	18 Nm
Lambda sensor (Oxygen)	44 Nm
Chassis tightening torques
Front hub	—
Front hub
Rear hub	181 Nm
Steering track rod end	43 Nm
Brake disc to hub Front	9 Nm
Brake caliper to carrier Front	27 Nm
Brake caliper/carrier to hub Front	108 Nm
Brake disc to hub Rear	10 Nm
Brake caliper to carrier Rear	35 Nm
Brake caliper/carrier to hub Rear	55 Nm
ABS sensor Front	10 Nm
ABS sensor Rear	10 Nm
Road wheels	108 Nm

Air conditioning

Oil type
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	525±25
Air conditioning oil Type	—
Air conditioning oil quantity cm³	—

Frequently asked questions

What is the firing order of the Honda Accord 1.8?

The firing order for the Honda Accord 1.8 (1999–2003) is 1-3-4-2.

What spark plugs does the Honda Accord 1.8 use?

The Honda Accord 1.8 (1999–2003) uses Denso KJ20CR-L11 spark plugs with a 1,1 mm electrode gap.

How much oil does the Honda Accord 1.8 take?

The Honda Accord 1.8 (1999–2003) takes 4.4 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 (1999–2003) are 0,24-0,28 mm inlet and 0,28-0,32 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 (1999–2003) are tightened in 4 stages: 29 Nm, then 90°, then 90°, then a final 90°.

What is the ignition timing for the Honda Accord 1.8?

Basic ignition timing for the Honda Accord 1.8 (1999–2003) is 12°±2° BTDC at 750 rpm.