Car engine overhaul Honda Accord 3
Operating principle of the engine
A piston engine is a metal block containing a series of circular chambers, or cylinders. These chambers may be arranged in a row or in a V-shape; therefore, in the description the engine is designated as "4", "6" or V6...
A piston engine is a metal block containing a series of circular chambers, or cylinders. These chambers may be arranged in a row or in a V-shape; therefore, in the description the engine is designated as "4", "6" or V6...
Major Renovation Tips
Most engine overhaul procedures are fairly standard. In addition to procedures for replacing specific parts and the full specifications for your engine, this Chapter is also a guide to generally accepted rebuild...
Most engine overhaul procedures are fairly standard. In addition to procedures for replacing specific parts and the full specifications for your engine, this Chapter is also a guide to generally accepted rebuild...
Checking engine compression
A significant lack of engine power, excessive oil and/or fuel consumption are all indicators of internal engine wear. Worn piston rings, pitted or worn liner surfaces, a leaking head gasket, burnt or stuck valves, and...
A significant lack of engine power, excessive oil and/or fuel consumption are all indicators of internal engine wear. Worn piston rings, pitted or worn liner surfaces, a leaking head gasket, burnt or stuck valves, and...
Engine — removal and installation
CAUTION: If any repair operation requires removal of an air conditioning system component (on equipped vehicles), do not disconnect the refrigerant lines. If it is not possible to move the component out of the way with...
CAUTION: If any repair operation requires removal of an air conditioning system component (on equipped vehicles), do not disconnect the refrigerant lines. If it is not possible to move the component out of the way with...
Engine specifications
Engine specifications MP-FI, MP-PFI - multi-position fuel injection (1) Manual transmission - 104@5800; Automatic transmission - 105@5800 (2) European version Valve specification (1) 1829 cm³ - 1995 cm³ Intake: 42.164...
Engine specifications MP-FI, MP-PFI - multi-position fuel injection (1) Manual transmission - 104@5800; Automatic transmission - 105@5800 (2) European version Valve specification (1) 1829 cm³ - 1995 cm³ Intake: 42.164...
Valve Cover or Rocker Arm Cover — Removal and Installation
Removal 1. On some models, it will be necessary to remove the air filter assembly. 2. Disconnect the ground cable, spark plug wires (if necessary), and throttle cable (if necessary) from the rocker arm cover. 3. Remove...
Removal 1. On some models, it will be necessary to remove the air filter assembly. 2. Disconnect the ground cable, spark plug wires (if necessary), and throttle cable (if necessary) from the rocker arm cover. 3. Remove...
Rocker Arm Axle — Removal and Installation
The rocker arms and axle are a single unit and are removed together. Please refer to the section " Camshaft, removal and installation ". The camshaft can be removed after removing the rocker arms, their axles and struts...
The rocker arms and axle are a single unit and are removed together. Please refer to the section " Camshaft, removal and installation ". The camshaft can be removed after removing the rocker arms, their axles and struts...
Thermostat — removal and installation
The thermostat housing is located on the cylinder head on all models except the 1990-91 Accord, where it is located on the end of the water pump inlet pipe. 1. Disconnect the cable from the negative battery terminal. 2....
The thermostat housing is located on the cylinder head on all models except the 1990-91 Accord, where it is located on the end of the water pump inlet pipe. 1. Disconnect the cable from the negative battery terminal. 2....
Intake manifold — removal and installation
Models with carburetor 1. Place a clean, dry container under the radiator, remove the plug and drain the coolant from the radiator. 2. Remove the air filter and its housing from the carburetor. 3. Remove the air valve,...
Models with carburetor 1. Place a clean, dry container under the radiator, remove the plug and drain the coolant from the radiator. 2. Remove the air filter and its housing from the carburetor. 3. Remove the air valve,...
Exhaust manifold — removal and installation
Carburetor engines WARNING: DO NOT perform this procedure on a hot or even warm engine. 1. Raise and secure the vehicle. 2. Unscrew the nuts securing the manifold to the exhaust pipe, remove the pipe, move the pipe away...
Carburetor engines WARNING: DO NOT perform this procedure on a hot or even warm engine. 1. Raise and secure the vehicle. 2. Unscrew the nuts securing the manifold to the exhaust pipe, remove the pipe, move the pipe away...
Radiator and electric fans — removal and installation
Honda engines use a liquid cooling system. The coolant, circulated through pipes by a water pump, heats up as the number of cycles through the engine increases. As the coolant circulates through the radiator, it is...
Honda engines use a liquid cooling system. The coolant, circulated through pipes by a water pump, heats up as the number of cycles through the engine increases. As the coolant circulates through the radiator, it is...
Oil cooler — removal and installation
Fuel-injected PRELUDE cars from 1988 onwards use water-cooled oil filters to remove some of the heat from the oil flow. The same cooling system appears on ACCORD cars from 1991 onwards. Coolant flows through the oil...
Fuel-injected PRELUDE cars from 1988 onwards use water-cooled oil filters to remove some of the heat from the oil flow. The same cooling system appears on ACCORD cars from 1991 onwards. Coolant flows through the oil...
Water Pump — 1984-89 Accord and 1984-87 Prelude
These operations require the removal and installation of a large number of small parts. Some operations can be performed either from above or from below, depending on the length of your arms and your dexterity. If you...
These operations require the removal and installation of a large number of small parts. Some operations can be performed either from above or from below, depending on the length of your arms and your dexterity. If you...
Water Pump — Accord 1990-91
WARNING: These operations involve removal and installation of the timing belt. DO NOT attempt to remove the water pump unless you are familiar with the proper timing belt installation procedures. Removal 1. Disconnect...
WARNING: These operations involve removal and installation of the timing belt. DO NOT attempt to remove the water pump unless you are familiar with the proper timing belt installation procedures. Removal 1. Disconnect...
Water Pump — Prelude 1988-91
This operation requires removal of the timing belt. DO NOT attempt to remove the water pump unless you know how to remove the timing belt. Removal 1. Disconnect the cable from the negative battery terminal. 2. Turn the...
This operation requires removal of the timing belt. DO NOT attempt to remove the water pump unless you know how to remove the timing belt. Removal 1. Disconnect the cable from the negative battery terminal. 2. Turn the...
Cylinder Head — 1984-89 Accord and Prelude SOHC Engine
The Environmental Protection Agency warns that prolonged contact of engine oil with skin causes skin pathology, including skin cancer. Use various protective equipment to minimize such contact. Wear protective gloves...
The Environmental Protection Agency warns that prolonged contact of engine oil with skin causes skin pathology, including skin cancer. Use various protective equipment to minimize such contact. Wear protective gloves...
Cylinder Head — 1988-89 Prelude DOHC Engine
The cylinder head temperature must be below 38°C; let the engine cool for a few hours. Rotate the flywheel so that piston number one is at top dead center. Removal 1. Disconnect the ground cable from the battery. 2....
The cylinder head temperature must be below 38°C; let the engine cool for a few hours. Rotate the flywheel so that piston number one is at top dead center. Removal 1. Disconnect the ground cable from the battery. 2....
Cylinder Head — 1990-91 Accord
Removal 1. Disconnect the cable from the negative battery terminal. 2. Set cylinder number 1 to TDC by turning the crankshaft. 3. Drain the coolant from the cooling system. Use a clean container; close the lid when...
Removal 1. Disconnect the cable from the negative battery terminal. 2. Set cylinder number 1 to TDC by turning the crankshaft. 3. Drain the coolant from the cooling system. Use a clean container; close the lid when...
Cylinder Head — 1990-91 Prelude
Removal 1. Disconnect the cable from the negative battery terminal. Crank the engine to set cylinder No.1 to TDC. 2. Raise and secure the vehicle. Drain the refrigerant. 3. On 2.0L engines: Remove the exhaust manifold...
Removal 1. Disconnect the cable from the negative battery terminal. Crank the engine to set cylinder No.1 to TDC. 2. Raise and secure the vehicle. Drain the refrigerant. 3. On 2.0L engines: Remove the exhaust manifold...
Cleaning and inspection of the cylinder head
1. Remove the valve assembly from the cylinder head. 2. Using a small wire brush, clean carbon deposits from the combustion chambers and valve passages. 3. Inspect the cylinder head for cracks in the exhaust ports,...
1. Remove the valve assembly from the cylinder head. 2. Using a small wire brush, clean carbon deposits from the combustion chambers and valve passages. 3. Inspect the cylinder head for cracks in the exhaust ports,...
Valve springs and valve stem seals
Valve springs press the valve against its seat and close it after the action of the camshaft has opened it. Honda valve springs rarely fail. The springs must be removed to gain access to the valve stem seals. Valve stem...
Valve springs press the valve against its seat and close it after the action of the camshaft has opened it. Honda valve springs rarely fail. The springs must be removed to gain access to the valve stem seals. Valve stem...
Valves and springs — removal, installation and inspection
Removal and installation A special puller is needed to remove the valves and springs. A small magnet can be very useful for extracting the spring crackers and support washers. Place the cylinder head on its side on a...
Removal and installation A special puller is needed to remove the valves and springs. A small magnet can be very useful for extracting the spring crackers and support washers. Place the cylinder head on its side on a...
Valve seats — inspection, removal and installation
All valve seats in engines are hidden in guides, are not replaceable and must be trimmed when required for service. Trimming seats requires special tools and experience and should be done in a machine shop....
All valve seats in engines are hidden in guides, are not replaceable and must be trimmed when required for service. Trimming seats requires special tools and experience and should be done in a machine shop....
Oil pan — removal and installation
CAUTION: Prolonged contact with USED engine oil can cause a variety of skin conditions, INCLUDING rash! You should make every effort to minimize your contact with used engine oil. Protective gloves should be worn when...
CAUTION: Prolonged contact with USED engine oil can cause a variety of skin conditions, INCLUDING rash! You should make every effort to minimize your contact with used engine oil. Protective gloves should be worn when...
Oil pump — removal and installation
1988-91 Prelude, 1990-91 Accord Removal 1. Drain the engine oil. Rotate the crankshaft and align the white notch on the crankshaft pulley with the pointer on the timing belt cover (align the T mark on the flywheel with...
1988-91 Prelude, 1990-91 Accord Removal 1. Drain the engine oil. Rotate the crankshaft and align the white notch on the crankshaft pulley with the pointer on the timing belt cover (align the T mark on the flywheel with...
Overhaul of the oil pump
These procedures are performed with the oil pump removed from the engine. 1984-87 Prelude, 1984-89 Accord 1. Check the rotor radial clearance for both the inner and outer rotors. Clearance is 0.15-0.20 mm. 2. Using a...
These procedures are performed with the oil pump removed from the engine. 1984-87 Prelude, 1984-89 Accord 1. Check the rotor radial clearance for both the inner and outer rotors. Clearance is 0.15-0.20 mm. 2. Using a...
Timing Belt and Covers — 1984-89 Accord, 1984-87 Prelude
Removal 1. Rotate the crankshaft to align the flywheel pointer with Top Dead Center (TDC) on the compression stroke of cylinder #1. 2. Remove the valve cover bolts and the upper camshaft drive belt cover and the covers...
Removal 1. Rotate the crankshaft to align the flywheel pointer with Top Dead Center (TDC) on the compression stroke of cylinder #1. 2. Remove the valve cover bolts and the upper camshaft drive belt cover and the covers...
Timing Belt and Covers — 1990-91 Accord
Removal Cm. figures 95 and 97 . 1. Disconnect the cable from the negative battery terminal. 2. Rotate the engine to align the marks on the camshaft pulley and set cylinder #1 to TDC. Once the engine is set to this...
Removal Cm. figures 95 and 97 . 1. Disconnect the cable from the negative battery terminal. 2. Rotate the engine to align the marks on the camshaft pulley and set cylinder #1 to TDC. Once the engine is set to this...
Timing Belt and Covers — 1988-91 Prelude
Removal Cm. figures 100, 101 and 102 . 1. Disconnect the cable from the negative battery terminal. 2. Rotate the engine to align the marks on the camshaft pulley and set cylinder No.1 to TDC. Once the engine is set to...
Removal Cm. figures 100, 101 and 102 . 1. Disconnect the cable from the negative battery terminal. 2. Rotate the engine to align the marks on the camshaft pulley and set cylinder No.1 to TDC. Once the engine is set to...
Camshaft Sprockets — Removal and Installation
Removal Although the camshaft timing belt does not need to be removed completely, it will need to be removed from the camshaft pulley(s). Use extreme caution to protect the belt from bending, twisting, and contamination...
Removal Although the camshaft timing belt does not need to be removed completely, it will need to be removed from the camshaft pulley(s). Use extreme caution to protect the belt from bending, twisting, and contamination...
Camshaft — SOHC engines
Removal Engine temperature must be below 38°C. To facilitate installation, ensure that piston No.1 is at Top Dead Center before removing the camshaft. 1. Remove the valve cover. 2. Remove the distributor or camshaft...
Removal Engine temperature must be below 38°C. To facilitate installation, ensure that piston No.1 is at Top Dead Center before removing the camshaft. 1. Remove the valve cover. 2. Remove the distributor or camshaft...
Camshaft — DOHC engines
Removal Engine temperature must be below 38°C. To facilitate installation, make sure piston number 1 is at Top Dead Center before removing the camshaft. 1. Remove the valve cover. 2. Remove the distributor or camshaft...
Removal Engine temperature must be below 38°C. To facilitate installation, make sure piston number 1 is at Top Dead Center before removing the camshaft. 1. Remove the valve cover. 2. Remove the distributor or camshaft...
Pistons and connecting rods — removal
This procedure requires removal of the head and oil pan. It is much easier to perform this job with the engine removed and mounted on a stand. 1. If the pistons and connecting rods are removed due to their complete...
This procedure requires removal of the head and oil pan. It is much easier to perform this job with the engine removed and mounted on a stand. 1. If the pistons and connecting rods are removed due to their complete...
Replacing connecting rod bearings
The connecting rod bearings in all Honda engines are made up of two halves or shells that are not interchangeable between the rod and cap. When the shells are placed in place, their ends extend slightly beyond the rod...
The connecting rod bearings in all Honda engines are made up of two halves or shells that are not interchangeable between the rod and cap. When the shells are placed in place, their ends extend slightly beyond the rod...
Inspection of pistons and connecting rods
1. Measure the cylinder liner at three levels (at the top of the top ring, in the center and at the bottom of the cylinder) and in two directions (longitudinal and transverse dimensions) - a total of six measurements...
1. Measure the cylinder liner at three levels (at the top of the top ring, in the center and at the bottom of the cylinder) and in two directions (longitudinal and transverse dimensions) - a total of six measurements...
Piston pin — installation
The piston pin is pressed into place. Special tools are required for disassembly and assembly, including a pin punch, guide bushing, mandrels for the pin retaining spring, and a hydraulic press. 1. Remember that if you...
The piston pin is pressed into place. Special tools are required for disassembly and assembly, including a pin punch, guide bushing, mandrels for the pin retaining spring, and a hydraulic press. 1. Remember that if you...
Crankshaft and Main Bearings — Removal and Installation
Except Accord 90-91 1. Remove the engine from the vehicle and place it on a work stand. 2. Remove the crankshaft pulley mounting bolts and washers. 3. Remove the front cover and the air conditioning idler pulley...
Except Accord 90-91 1. Remove the engine from the vehicle and place it on a work stand. 2. Remove the crankshaft pulley mounting bolts and washers. 3. Remove the front cover and the air conditioning idler pulley...
Crankshaft and balance shafts
Accord 1990-91 Steps are provided to remove the crankshaft without changing the position of the pistons in the cylinder block. 1. Remove the engine from the vehicle, remove the flywheel from the engine, unscrew the rear...
Accord 1990-91 Steps are provided to remove the crankshaft without changing the position of the pistons in the cylinder block. 1. Remove the engine from the vehicle, remove the flywheel from the engine, unscrew the rear...
Crankshaft Main Seals — Removal and Installation
Accord 1984-89, Prelude 1984-87 1. The front and rear main seals are retained on the crankshaft by end caps; they are released and removed with the crankshaft. When reassembling, apply non-hardening grease to the seams...
Accord 1984-89, Prelude 1984-87 1. The front and rear main seals are retained on the crankshaft by end caps; they are released and removed with the crankshaft. When reassembling, apply non-hardening grease to the seams...
Flywheel/Drive Disc — Removal and Installation
Removal 1. Remove the transmission. 2. Remove the mounting bolts and flywheel. 3. The back cover can be removed (only for manual transmission). To install: All major rotating parts, including the flywheel/drive plate,...
Removal 1. Remove the transmission. 2. Remove the mounting bolts and flywheel. 3. The back cover can be removed (only for manual transmission). To install: All major rotating parts, including the flywheel/drive plate,...
Exhaust system
Precautionary measures For a number of reasons, working on the exhaust system can be the most dangerous of all the work you can do on your vehicle. Always take the following precautions: Secure the vehicle securely....
Precautionary measures For a number of reasons, working on the exhaust system can be the most dangerous of all the work you can do on your vehicle. Always take the following precautions: Secure the vehicle securely....
Tightening torques for threaded connections
Tightening torques Component Moment Generator - 1984-85 -- Generator regulator 22 Nm -- Rotary Gods Generator 45 Nm - 1986-89 --Through bolt and nut of the generator 45 Nm -- Top bolt 24 Nm - 1990-91 -- Generator...
Tightening torques Component Moment Generator - 1984-85 -- Generator regulator 22 Nm -- Rotary Gods Generator 45 Nm - 1986-89 --Through bolt and nut of the generator 45 Nm -- Top bolt 24 Nm - 1990-91 -- Generator...
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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