| Firing order | 1-3-4-2 |
 | |
| Cylinder numbering order | 1-2-3-4 |
| Direction of rotation of the crankshaft | Counterclockwise |
| Ø of cylinders, mm | 86.11 |
| Piston stroke, mm | 97.03 |
| Working volume, cm³ (l) | 2261 (2.3) |
| Maximum permissible value of non-flatness of intake manifold/exhaust manifold, mm | 0.152 |
| On the distributor cap, the terminal for connecting the high-voltage wire of the spark plug of the first cylinder is darkened. | |
| Camshaft | |
| Axial clearance, mm | |
| Nominal value | 0.051÷0.152 |
| Maximum permissible value | 0.508 |
| Maximum permissible lateral runout, mm | 0.051 |
| Bearing clearances, mm | |
| Nominal value | 0,051÷0.089 |
| Maximum permissible value | 0.152 |
| Height of working cam projections, mm | |
| VTEC models | |
| Intake valve cams | |
| Primary | 37.7749 |
| Average | 39.7256 |
| Secondary | 34.4805 |
| Exhaust valve cams | 38.3667 |
| Non-VTEC models | |
| Intake valve cams | 38.3388 |
| Exhaust valve cams | 37.7165 |
| Oil pump | |
| Clearance between teeth of outer and inner gears, mm | |
| Nominal value | 0.025÷0.152 |
| Maximum permissible working value | 0.203 |
| Clearance between outer gear and pump body, mm | |
| Nominal value | 0.102÷0.178 |
| Maximum permissible working value | 0.203 |
| Axial clearance between pump casing and gears, mm | |
| Nominal value | 0.025÷0.076 |
| Maximum permissible working value | 0.127 |
| Tightening forces of threaded connections | Nm |
| Bolts for fastening the air duct pressure chamber | 22 |
| Camshaft Bearing Cap Fastening Bolts | |
| 6.0 x 1.0 mm | 12.2 |
| 8.0 x 1.25 mm | 22 |
| Cylinder head cover bolts | 9,7 |
| Balance shaft/timing belt tensioner mounting nut | 45 |
| Camshaft timing gear bolt | 58 |
| Crankshaft pulley bolt | 245 |
| Cylinder head bolts | |
| Stage 1 | 30 |
| Stage 2 | Pull another 90° |
| Stage 3 | Pull another 90° |
| Stage 4 (for new bolts only) | Pull another 90° |
| Flywheel to crankshaft mounting bolts | 62 |
| Bolts securing the drive disc to the crankshaft | 73 |
| Intake manifold mounting nuts | 22 |
| Exhaust manifold mounting nuts | 31 |
| Front balance shaft gear mounting bolt | 30 |
| Rear balance shaft gear mounting bolt | 24 |
| Bolts securing the oil pan to the engine block | 13.6 |
| Pressure reducing valve plug | 39 |
| Oil pump oil pickup tube mounting bolts/nuts | 11.8 |
| Oil Pump Housing Bolts | 11.8 |
| Crankshaft Rear Oil Seal Housing Bolts | 11.8 |
| Upper and lower timing belt cover mounting bolts | 11.8 |
| Water pump mounting bolts | See Chapter Cooling and heating systems |
| Front powertrain suspension support | |
| Bolts for fastening the support bracket to the chassis | 38 |
| Engine support bracket mounting bolts | 38 |
| Through bolt | 64 |
| Rear powertrain suspension support | |
| Bolts for fastening the support cushion to the chassis | 38 |
| Engine support bracket mounting bolts | 54 |
| Support stud nut | 54 |
| Left support of the power unit suspension | |
| Bolt/nuts for fastening the support bracket to the engine | 54 |
| Bolts for fastening the support cushion to the chassis | 38 |
| Right powertrain suspension support | |
| Through bolt | 40 |
| Nuts for fastening the support bracket to the transmission | 38 |
| Bolts for fastening the support cushion to the chassis | 38 |
| V6 engines | |
| General parameters | |
 | Cylinder numbering (from timing belt to transmission) |
| Rear row (from the rear bulkhead side of the compartment) | 1-2-3 |
| Front row (radiator side) | 4-5-6 |
| Direction of rotation of the crankshaft | Clockwise |
| Firing order | 1-4-2-5-3-6 |
| Ø of cylinders, mm | 86.11 |
| Piston stroke, mm | 86.11 |
| Working volume, cm³ (l) | 2999 (3.0) |
| Maximum permissible value of non-flatness of intake manifold/exhaust manifold, mm | 0.152 |
| Camshaft and rocker arms of the valve drive | |
| Clearance in camshaft bearings, mm | |
| Nominal value | 0.0508÷0.0889 |
| Maximum permissible working value | 0.152 |
| Height of camshaft lobes, mm | |
| Intake valve drive cams | |
| Primary | 34.6151 |
| Intermediate | 36.2102 |
| Secondary | 31.1887 |
| Exhaust valve drive cams | 36.0756 |
| Axial clearance of the camshaft, mm | |
| Nominal value | 0.051÷0.203 |
| Maximum permissible working value | 0.203 |
| Maximum permissible shaft runout, mm | 0.051 |
| Oil clearance of rocker arms landing on axles, mm | |
| Intake valve drive rocker arms | |
| Nominal value | 0.0254÷0.0660 |
| Maximum permissible working value | 0.0660 |
| Exhaust valve drive rocker arms | |
| Nominal value | 0.0254÷0.0762 |
| Maximum permissible working value | 0.0762 |
| Oil pump | |
| Clearance between outer gear and housing, mm | 0.152÷0.203 |
| Clearance between teeth of outer and inner gears, mm | 0.051÷0.203 |
| Axial clearance of gears, mm | 0.025÷0.127 |
| Tightening forces of threaded connections | Nm |
| Camshaft thrust plate mounting bolts | 22 |
| Camshaft timing gear mounting bolts | 91 |
| Crankshaft pulley mounting bolt | 245 |
| Cylinder head bolts | |
| Stage 1* | 39 |
| Stage 2* | 69 |
| Stage 3* | 98 |
| Cylinder head cover mounting bolts | 11.8 |
| Drive Disc Mounting Bolts | 73 |
| Exhaust manifold mounting bolts | 31 |
| Exhaust manifold heat shield mounting bolts | 22 |
| Lower and upper intake manifold mounting bolts/nuts | 22 |
| Oil pan mounting bolts/nuts | 11.8 |
| Oil pump mounting bolts | 11.8 |
| Rocker arm axle mounting bolts | 23 |
| Timing Belt Tensioner Mounting Bolts | 11.8 |
| Timing Belt Idler Roller Bolt | 45 |
| Timing Belt Cover Bolts | 11.8 |
| Crankshaft Rear Oil Seal Retainer Bolts | 11.8 |
| Left Powertrain Suspension Bracket Bolts | 45 |
| Through bolt of the left support cushion of the power unit suspension | 54 |
| Front Powertrain Suspension Bracket Mounting Bolts | 38 |
| Rear Powertrain Suspension Bracket Mounting Bolts | 38 |
| Nuts for fastening the powertrain support cushions (front and rear) | 54 |
| Bolts for fastening the right support of the power unit suspension | 38 |
| * Each stage is performed twice | |
| General and major engine repairs | |
| Four-cylinder engines | |
| General parameters | |
| Ø of cylinders, mm | 86.11 |
| Piston stroke, mm | 97.03 |
| Working volume, cm³ (l) | 2261 (2.3) |
| Compression pressure in cylinders, kgf/cm² | |
| Nominal value | 12.5 |
| Minimum acceptable value | 9.5 |
| Maximum permissible pressure difference between cylinders | 2.0 |
| Oil pressure (with warm engine), kgf/cm² | |
| At 3000 rpm | 3.5 |
| Minimum allowable value at idle speed | 0.7 |
| Maximum permissible value of cylinder head non-flatness, mm | 0.051 |
| Valve mechanism | |
| Height of the cylindrical part (belt) of the valve plates, mm | |
| Intake valves | |
| Nominal value | 0.838÷1.143 |
| Maximum permissible working value | 0.660 |
| Exhaust valves | |
| Nominal value | 1.041÷1.346 |
| Maximum permissible working value | 0.940 |
| Ø valve stems, mm | |
| Intake valves | |
| Nominal value | 5.4839÷5.4940 |
| Maximum permissible working value | 5.4559 |
| Exhaust valves | |
| Nominal value | 5.4508÷5.4610 |
| Maximum permissible working value | 5.4204 |
| Valve stem seat clearance in guide bushings, mm | |
| Intake valves | |
| Nominal value | 0.0203÷0.0457 |
| Maximum permissible working value | 0.0762 |
| Exhaust valves | |
| Nominal value | 0.0559÷0.0787 |
| Maximum permissible working value | 0.1270 |
| Free length of valve springs, mm | |
| Models with VTEC | |
| Intake valves | 51.079 |
| Exhaust valves | 55.575 |
| Non-VTEC models | |
| Intake valves | 53.670 |
| Exhaust valves | 55.575 |
| Installation height of valve stems, mm | |
| Intake valves | |
| Nominal value | 46.761÷47.549 |
| Maximum permissible working value | 47.803 |
| Exhaust valves | |
| Nominal value | 46.685÷47.473 |
| Maximum permissible working value | 47.727 |
| Crankshaft and connecting rods | |
| Crankshaft connecting rod journals Ø, mm | 44.9758÷45.0012 |
| Maximum permissible taper and ovality, mm | 0.0051 |
| Working clearance of connecting rod bearings, mm | |
| Nominal value | 0.0203÷0.0483 |
| Maximum permissible working value | 0.0203÷0.0483 |
| Axial clearance of connecting rods, mm | |
| Nominal value | 0.152÷0.305 |
| Maximum permissible working value | 0.406 |
| Crankshaft main journals Ø, mm | |
| No. 1, 2 and 4 | 54.9808÷55.0037 |
| № 3 | 54.9758÷55.0012 |
| № 5 | 54.9910÷55.0164 |
| Maximum permissible taper and ovality, mm | 0.0051 |
| Runout, mm | |
| Nominal value | 0.025 |
| Maximum permissible working value | 0.051 |
| Working clearance in main bearings, mm | |
| No. 1,2 and 4 | |
| Nominal value | 0.0203÷0.0457 |
| Maximum permissible working value | 0.0508 |
| № 3 | |
| Nominal value | 0.0254÷0.0483 |
| Maximum permissible working value | 0.0559 |
| № 5 | |
| Nominal value | 0.0102÷0.0330 |
| Maximum permissible working value | 0.0406 |
| Crankshaft axial clearance, mm | |
| Nominal value | 0.102÷0.336 |
| Maximum permissible working value | 0.457 |
| Rear crankshaft oil seal clearance, mm | 0.51÷0.76 |
| Balance shafts | |
| Front shaft | |
| Neck of the first bearing Ж, mm | |
| Nominal value | 42.7228÷42.7330 |
| Maximum permissible working value | 42.697 |
| Bearing working clearance, mm | |
| Nominal value | 0.0660÷0.0991 |
| Maximum permissible working value | 0.127 |
| Second bearing neck Ø, mm | |
| Nominal value | 38.7121÷38.7248 |
| Maximum permissible working value | 38.710 |
| Bearing working clearance, mm | |
| Nominal value | 0.0762÷0.1092 |
| Maximum permissible working value | 0.127 |
| Third bearing journal Ø, mm | |
| Nominal value | 34.7218÷34.7345 |
| Maximum permissible working value | 34.722 |
| Bearing working clearance, mm | |
| Nominal value | 0.0660÷0.0991 |
| Maximum permissible working value | 0.127 |
| Maximum permissible taper of necks, mm | 0.0051 |
| Maximum permissible shaft runout, mm | 0.025 |
| Rear shaft | |
| Neck of the first bearing Ø, mm | |
| Nominal value | 20.9372÷20.9499 |
| Maximum permissible working value | 20.930 |
| Bearing working clearance, mm | |
| Nominal value | 0.051÷0.076 |
| Maximum permissible working value | 0.102 |
| Second bearing neck Ø, mm | |
| Nominal value | 38.7121÷38.7248 |
| Maximum permissible working value | 38.710 |
| Bearing working clearance, mm | |
| Nominal value | 0.0762÷0.1092 |
| Maximum permissible working value | 0.127 |
| Third bearing journal Ø, mm | |
| Nominal value | 34.7218÷34.7345 |
| Maximum permissible working value | 34.722 |
| Bearing working clearance, mm | |
| Nominal value | 0.0660÷0.0991 |
| Maximum permissible working value | 0.127 |
| Maximum permissible taper of necks, mm | 0.0051 |
| Maximum permissible shaft runout, mm | 0.025 |
| Cylinder block | |
| Non-flatness of the mating surface, mm | |
| Nominal value | 0.076 |
| Maximum permissible value | 0.101 |
| Cylinders Ø, mm | |
| Marking A or I (nominal value) | 86.0095÷86.0196 |
| Marking B or II (nominal value) | 85.9993÷86.0095 |
| Maximum permissible working value | 86.0704 |
| Maximum permissible taper and ovality, mm | 0.051 |
| Pistons and piston rings | |
| Ж pistons, measured at a distance of 20.3 mm from the skirt edge), mm | |
| Without marking or with marking A | |
| Nominal value | 85.9790÷85.9892 |
| Maximum permissible working value | 85.9688 |
| With marking B | |
| Nominal value | 85.9688÷85.9790 |
| Maximum permissible working value | 85.9587 |
| Piston clearance in cylinders, mm | |
| Nominal value | 0.0203÷0.0406 |
| Maximum permissible working value | 0.051 |
| Clearances in piston ring locks, mm | |
| Upper compression ring | |
| Nominal value | 0.203÷0.356 |
| Maximum permissible working value | 0.610 |
| Second compression ring | |
| Nominal value | 0.406÷0.559 |
| Maximum permissible working value | 0.711 |
| Oil scraper ring | |
| Nominal value | 0.203÷0.711 |
| Maximum permissible working value | 0.787 |
| Compression ring seating clearances | |
| Upper compression ring | |
| Nominal value | 0.0356÷0.0610 |
| Maximum permissible working value | 0.127 |
| Second compression ring | |
| Nominal value | 0.0305÷0.0559 |
| Maximum permissible working value | 0.127 |
| Tightening forces of threaded connections | Nm * |
| Rear balance shaft gear housing mounting bolts | 24 |
| Main bearing cap bolts | |
| Stage 1 | 30 |
| Stage 2 | 79 |
| Connecting rod lower head cap nuts | |
| Stage 1 | 19.0 |
| Stage 2 | Pull another 90° |
| Crankshaft Rear Oil Seal Retainer Bolts | 11.8 |
| V6 engines | |
| General parameters | |
| Ø of cylinders, mm | 86.11 |
| Piston stroke, mm | 86.11 |
| Working volume, cm³ (l) | 2999 (3.0) |
| Compression pressure in cylinders at 200 rpm and fully open throttle, kgf/cm² | |
| Nominal value | 12.5 |
| Minimum acceptable value | 9.5 |
| Maximum permissible pressure difference between cylinders | 2.0 |
| Oil pressure (with warm engine), kgf/cm² | |
| Minimum allowable value at 3000 rpm | 5.0 |
| Minimum allowable value at idle speed | 0.7 |
| Maximum permissible value of cylinder head non-flatness, mm | 0.051 |
| Valve mechanism | |
| Height of the cylindrical part (belt) of the valve plates, mm | |
| Intake valves | |
| Nominal value | 0.838÷1.143 |
| Maximum permissible working value | Maximum permissible working value |
| Exhaust valves | |
| Nominal value | 1.041÷1.346 |
| Maximum permissible working value | 0.940 |
| W valve stems, mm | |
| Intake valves | |
| Nominal value | 5.4839÷5.4940 |
| Maximum permissible working value | 5.4559 |
| Exhaust valves | |
| Nominal value | 5.4508÷5.4610 |
| Maximum permissible working value | 5.4204 |
| Valve stem seat clearance in guide bushings, mm | |
| Intake valves | |
| Nominal value | 0.0203÷0.0457 |
| Maximum permissible working value | 0.0762 |
| Exhaust valves | |
| Nominal value | 0.0559÷0.0787 |
| Maximum permissible working value | 0.1270 |
| Inner diameter of guide bushings, mm | |
| Nominal value | 5.5143÷5.5296 |
| Maximum permissible working value | 5.563 |
| Free length of valve springs, mm | |
| Intake valves | 51.029 |
| Exhaust valves | 53.492 |
| Installation height of valve stems, mm | |
| Intake valves | |
| Nominal value | 46.761÷47.549 |
| Maximum permissible working value | 47.803 |
| Exhaust valves | |
| Nominal value | 46.685÷47.473 |
| Maximum permissible working value | 47.727 |
| Crankshaft and connecting rods | |
| Crankshaft connecting rod journals Ø, mm | 52.9768÷52.9996 |
| Taper and ovality, mm | |
| Nominal value | 0.0051 |
| Maximum permissible working value | 0.0102 |
| Working clearance of connecting rod bearings, mm | |
| Nominal value | 0.0203÷0.0432 |
| Maximum permissible working value | 0.051 |
| Axial clearance of connecting rods, mm | |
| Nominal value | 0.152÷0.305 |
| Maximum permissible working value | 0.406 |
| Crankshaft main journals Ø, mm | 71.9760÷71.9988 |
| Taper and ovality, mm | |
| Nominal value | 0.0051 |
| Maximum permissible working value | 0.0102 |
| Working clearance in main bearings, mm | |
| Nominal value | 0.0203÷0.0432 |
| Maximum permissible working value | 0.0508 |
| Crankshaft axial clearance, mm | |
| Nominal value | 0.102÷0.336 |
| Maximum permissible working value | 0.457 |
| Rear crankshaft oil seal clearance, mm | 0.203÷0.508 |
| Cylinder block | |
| Non-flatness of the mating surface, mm | |
| Nominal value | 0.076 |
| Maximum permissible working value | 0.101 |
| Cylinders Ø, mm | |
| Nominal value | 85.9993÷86.0146 |
| Maximum permissible working value | 86.0146 |
| Maximum permissible taper and ovality, mm | 0.051 |
| Pistons and piston rings | |
| Ø pistons measured at a distance of 17.8 mm from the skirt edge), mm | |
| Nominal value | 85.9739÷85.9841 |
| Maximum permissible working value | 85.9638 |
| Piston clearance in cylinders, mm | |
| Nominal value | 0.0152÷0.0406 |
| Maximum permissible working value | 0.076 |
| Clearances in piston ring locks, mm | |
| Upper compression ring | |
| Nominal value | 0.203÷0.356 |
| Maximum permissible working value | 0.610 |
| Second compression ring | |
| Nominal value | 0.406÷0.559 |
| Maximum permissible working value | 0.711 |
| Oil scraper ring | |
| Nominal value | 0.203÷0.711 |
| Maximum permissible working value | 0.787 |
| Clearances of compression rings in piston grooves, mm | |
| Upper compression ring | |
| Nominal value | 0.0356÷0.0610 |
| Maximum permissible working value | 0.127 |
| Second compression ring | |
| Nominal value | 0.0305÷0.0559 |
| Maximum permissible working value | 0.127 |
| Tightening forces of threaded connections | Nm * |
| Main bearing bolts | |
| Cap bolt | 76 |
| Side bolt | 49 |
| Connecting rod lower head cap nuts | |
| Stage 1 | 19.0 |
| Stage 2 | Pull another 90° |
| Crankshaft Rear Oil Seal Retainer Bolts | 11.8 |
Engine specifications (Honda Accord 6)
This article is available at: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
This information has been verified: Timofey Goryachev
General information about four-cylinder engines
Preparatory actions and repair procedures without removing the engine from the…
Bringing the piston of the first cylinder to the top dead center (TDC) position
Removal and installation the cylinder head cover
VTEC System — General Information and Component Health Check
Preparatory actions and repair procedures without removing the engine from the…
Bringing the piston of the first cylinder to the top dead center (TDC) position
Removal and installation the cylinder head cover
VTEC System — General Information and Component Health Check
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- General information
- Introduction to the guide
- User manual
- Maintenance
- Power unit
- Four-cylinder engines
- Six-cylinder engines
- Engine overhaul
- Cooling system
- Heater and air conditioner
- Power and exhaust systems
- Engine electrical equipment
- Engine management
- Transmission
- Mechanical gearbox
- Automatic gearbox
- Clutch and drive shafts
- Chassis and running gear
- Brake system
- Car suspension
- Steering
- Body and interior
- Exterior (external elements)
- Interior (internal elements)
- Electrical equipment
- Equipment and devices
- Electrical circuits
- General information
- Maintenance
- Power unit
- Engine adjustment
- Engine repair
- Engine electrics
- Emission management
- Engine management (carburetor)
- Electronic injection
- Programmable injection
- Schematic of emission system
- Fuel system
- Feedback management
- Transmission
- Manual gearbox
- Automatic gearbox
- Clutch
- Chassis and running gear
- Front suspension
- Rear suspension
- Steering
- Brake system
- Electrical equipment
- Ventilation and heating
- Air conditioner
- Cruise control system
- Equipment and devices