Engine & identification
Vehicle identification
| No. of cylinders Type | 6/OHC |
|---|---|
| Capacity (Fiscal) cc | 3474 |
| Compression ratio :1 | 9,6 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Honda |
| Ignition system Type | PGM-FI |
| Ignition system Description | Map-DI |
| Trigger location | Cam |
| 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 | 0,9-1,1 |
Firing order
The firing order for the Honda Legend 3.5 (1999–2004) is 1-4-2-5-3-6.
| Firing order | 1-4-2-5-3-6 |
|---|
Valve clearances
Valve clearances on the Honda Legend 3.5 (1999–2004) 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 Honda Legend 3.5 (1999–2004) takes 4.6 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Coolant
The listed total cooling-system capacity is 8.7 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 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 | 4.6 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (drain & refill) litres | 3.0 |
| Automatic transmission (dry fill) litres | 8.6 |
| Differential oil grade - front SAE | 90 |
| Differential oil classification - front | GL-4 |
| Differential front/AT litres | 1.1 |
| Cooling system - total capacity litres | 8.7 |
| Brake fluid Type | DOT 3/4 |
| Power steering fluid Type | Honda PAS |
| Power steering fluid litres | 1.7 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Honda Legend 3.5 (1999–2004) are replaced at a minimum thickness of 21 mm (ventilated) front and 7,5 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 21 mm |
|---|---|
| Minimum disc thickness | |
| Minimum disc thickness for replacement Rear | 7,5 mm |
Brake disc and drum dimensions
| Minimum disc thickness | |
|---|---|
| Disc thickness variation Front | 0,015 mm |
| Disc thickness variation Rear | 0,015 mm |
| Disc runout Front | 0,10 mm |
| Disc runout Rear | 0,15 mm |
| Minimum pad thickness Front | 1,6 mm |
| Minimum pad thickness Rear | 1,6 mm |
| Parking brake travel No. of notches | 6-8 |
Service & electrical
Battery
The Honda Legend 3.5 (1999–2004) uses a 12 V, 55 Ah battery (reserve capacity 90 minutes).
| Battery V/RC(Ah) | 12/90 (55) |
|---|
Spark plugs
The Honda Legend 3.5 (1999–2004) uses Denso PK20PR-L11 spark plugs with a 1,1 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | PK20PR-L11 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | NGK |
| Spark plug Type | PFR6G-11 |
| Electrode gap mm | 1,1 |
Tuning and emissions
| Tuning conditions | — |
|---|---|
| Idle speed and ignition timing | |
| Ignition timing - basic BTDC °Engine/rpm | 15±2/650 Not adjustable |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 650±50 |
| 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 | 149-181 |
|---|---|
| Alternator output A/V/rpm | 110/13,5/6000 |
Service checks and adjustments
| Compression pressure bar | 9,8-13,7 |
|---|---|
| Oil pressure bar/rpm | 3,4/3000 |
| Radiator cap bar | 0,93-1,23 |
| Thermostat opens °C | 76-80 |
| Drive belt tension - alternator/PAS/AC mm | 9,5-11,5/10,5-12,5 |
| Drive belt tension - AC mm | 8-11,0 |
Fuel system
| System pressure bar | 3,0-3,5 |
|---|---|
| Regulated pressure with vacuum bar | 2,4-2,9 |
| Engine coolant temperature (ECT) sensor Ohm/°C | 200-400/80 |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm | 650-850 |
| Injector Ohm | 10,0-13,0 |
| Lambda sensor (Oxygen) heater Ohm | 10,0-40,0 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Honda Legend 3.5 (1999–2004) are tightened in 2 stages: 38 Nm, then a final 76 Nm.
| Cylinder head | |
|---|---|
| Renew bolts | No |
| Tighten | 38 Nm |
| Tighten | 76 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | — |
| Main bearings | |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 22 Nm |
| Big end bearings Stage 2 | 44 Nm |
| Oil pump to cylinder block | — |
| Oil pump to cylinder block | |
| Sump bolts | 1)11 Nm 2)22 Nm |
| Sump drain bolt | 44 Nm |
| Flywheel/driveplate | 74 Nm |
| Crankshaft pulley/damper centre bolt | 245 Nm |
| Camshaft sprocket/gear | 31 Nm |
| Camshaft carrier/cap | — |
| Camshaft carrier caps | |
| Camshaft/rocker cover | 12 Nm |
| Inlet manifold to cylinder head | M6=8 Nm M8=22 Nm |
| Exhaust manifold to cylinder head | 30 Nm |
| Exhaust downpipe to manifold | 54 Nm |
| Spark plugs | 18 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 12 Nm |
| Camshaft position (CMP) sensor | 12 Nm |
| Lambda sensor (Oxygen) | 44 Nm |
| Engine oil pressure switch | 18 Nm |
| Chassis tightening torques | |
| Front hub | 245 Nm |
| Rear hub | 245 Nm |
| Steering track rod end | 49-59 Nm |
| Brake disc to hub Front | 10 Nm |
| Brake caliper to carrier Front | 49 Nm |
| Brake caliper/carrier to hub Front | 108 Nm |
| Brake disc to hub Rear | 10 Nm |
| Brake caliper to carrier Rear | 23 Nm |
| Brake caliper/carrier to hub Rear | 38 Nm |
| ABS sensor Front | 10 Nm |
| ABS sensor Rear | 10 Nm |
| Road wheels | 110 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 | 725±25 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Dens Oil 8 |
| Air conditioning oil quantity cm³ | 140 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Honda Legend 3.5?
The firing order for the Honda Legend 3.5 (1999–2004) is 1-4-2-5-3-6.
What spark plugs does the Honda Legend 3.5 use?
The Honda Legend 3.5 (1999–2004) uses Denso PK20PR-L11 spark plugs with a 1,1 mm electrode gap.
How much oil does the Honda Legend 3.5 take?
The Honda Legend 3.5 (1999–2004) takes 4.6 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 Legend 3.5?
Valve clearances on the Honda Legend 3.5 (1999–2004) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Honda Legend 3.5?
The cylinder head bolts on the Honda Legend 3.5 (1999–2004) are tightened in 2 stages: 38 Nm, then a final 76 Nm.
What is the minimum brake disc thickness for the Honda Legend 3.5?
Brake discs on the Honda Legend 3.5 (1999–2004) are replaced at a minimum thickness of 21 mm (ventilated) front and 7,5 mm rear.