Honda2003–2008Technical specifications

Accord 2.0: Technical specifications

Workshop data for the 2-litre petrol (engine code K20A6). 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 (K20A6) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Honda
Model: Accord
Years: 2003–2008
Fuel: Petrol
Engine code: K20A6

Performance & efficiency

Power: 114 kW (155 hp)
Engine size: 1,998 cc
Cylinders: 4 · DOHC
Fuel system: Honda

Fluids & capacities

Engine oil (with the filter): 4.2 litres

All 118 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity (Fiscal) cc	1998
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Honda
Ignition system Type	PGM-FI
Ignition system Description	Map-i
Trigger location	Cam/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	1,84-2,1

Firing order

The firing order for the Honda Accord 2.0 (2003–2008) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Honda Accord 2.0 (2003–2008) are 0,21-0,25 mm inlet and 0,28-0,32 mm exhaust, measured cold.

Valve clearance - INLET mm	0,21-0,25 cold
Valve clearance - EXHAUST mm	0,28-0,32 cold

Engine oil & fluids

Engine oil

The Honda Accord 2.0 (2003–2008) takes 4.2 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 1.9 litres.

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

Coolant

The listed total cooling-system capacity is 4.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	All temperatures
Engine oil grade SAE	0W-20, 0W-30, 0W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30, 5W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Ambient temperature range	-20°C➞
Engine oil grade SAE	10W-30, 10W-40
Engine oil classification API/ACEA	SL/A1, A3, A5
Engine with filter(s) litres	4.2
Other lubricants and capacities
Manual transmission oil grade SAE	Honda MTF-II
Manual transmission litres	1.9
Automatic transmission fluid Type	Honda ATF-Z1
Automatic transmission (drain & refill) litres	2.9
Automatic transmission (dry fill) litres	6.5
Cooling system - total capacity litres	4.5
Brake fluid Type	DOT 3/4
Power steering fluid Type	Honda PAS
Power steering fluid litres	1.1

Brakes & wear limits

Brake disc thickness

Brake discs on the Honda Accord 2.0 (2003–2008) 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 runout Front	0,10 mm
Disc runout Rear	0,10 mm
Minimum pad thickness Front	1,5 mm
Minimum pad thickness Rear	1,5 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	6-9

Service & electrical

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm	8±2/650±50 Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	650±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

Battery V/RC(Ah)	12
Alternator output A/V/rpm	90/13,5/6000

Service checks and adjustments

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

Fuel system

System pressure bar	3,3-3,8
Injector Ohm	10,0-13,0

Spark plugs

Spark plugs Original equipment	Denso
Spark plug Type	KJ20DR-M11
Electrode gap mm	1,0-1,1
Spark plugs Make	NGK
Spark plug Type	ZFR6K-11
Electrode gap mm	1,0-1,1

Tightening torques

Other engine tightening torques
Cylinder head instructions	—
View more information	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	29 Nm
Main bearings Stage 2	56°
Big end bearings Renew bolts/nuts	—
View more information	—
Big end bearings
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	90°
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	49 Nm+90°
Camshaft sprocket/gear	—
Camshaft sprocket
Camshaft carrier/cap	—
Camshaft carrier caps
Camshaft/rocker cover	1)6 Nm 2)12 Nm
Inlet manifold to cylinder head	22 Nm
Exhaust manifold to cylinder head	44 Nm
Exhaust downpipe to manifold	22 Nm
Water pump	12 Nm
Spark plugs	18 Nm
Fuel rail	12 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	12 Nm
Camshaft position (CMP) sensor	12 Nm
Engine coolant temperature (ECT) sensor	12 Nm
Lambda sensor (Oxygen)	44 Nm
Knock sensor (KS)	31 Nm
Engine oil pressure switch	18 Nm
Oil filter	12 Nm
Engine upper cover	12 Nm
Chassis tightening torques
Front hub	—
Front hub
Steering wheel	39 Nm
Steering rack/box mounting	59 Nm
Steering track rod end	43 Nm
Brake disc to hub Front	10 Nm
Brake caliper/carrier to hub Front	108 Nm
Brake disc to hub Rear	10 Nm
Brake caliper to carrier Rear	37 Nm
Brake caliper/carrier to hub Rear	74 Nm
Back plate to hub Rear	10 Nm
ABS sensor Front	10 Nm
ABS sensor Rear	10 Nm
Road wheels	108 Nm

Air conditioning

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 group	PAG
Air conditioning oil Type	SP10
Air conditioning oil quantity cm³	130
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the firing order of the Honda Accord 2.0?

The firing order for the Honda Accord 2.0 (2003–2008) is 1-3-4-2.

How much oil does the Honda Accord 2.0 take?

The Honda Accord 2.0 (2003–2008) takes 4.2 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 2.0?

Valve clearances for the Honda Accord 2.0 (2003–2008) are 0,21-0,25 mm inlet and 0,28-0,32 mm exhaust, measured cold.

What is the minimum brake disc thickness for the Honda Accord 2.0?

Brake discs on the Honda Accord 2.0 (2003–2008) are replaced at a minimum thickness of 23 mm (ventilated) front and 8 mm rear.