Diesel car engine Nissan Sunny 7 (B13)
Technical characteristics of diesel engine
Model CD20 Type 4-cylinder, in-line, single overhead camshaft, water-cooled Working volume, cm/cube 1974 Cylinder diameter, mm 84,5 Piston stroke, mm 88,0 Power, hp/ kW/...
Model CD20 Type 4-cylinder, in-line, single overhead camshaft, water-cooled Working volume, cm/cube 1974 Cylinder diameter, mm 84,5 Piston stroke, mm 88,0 Power, hp/ kW/...
Timing belt — removal and installation
Camshaft drive 1. Front camshaft gear; 2. Side plate; 3. Toothed belt; 4. Intermediate roller; 5. Fastening bolt, 7 Nm (insert with regular protective agent); 6. Upper...
Camshaft drive 1. Front camshaft gear; 2. Side plate; 3. Toothed belt; 4. Intermediate roller; 5. Fastening bolt, 7 Nm (insert with regular protective agent); 6. Upper...
Replacing the cylinder head gasket
Cylinder head 1. Cylinder head cover gasket (always replace); 2. Bearing sleeve; 3. Rubber bushing; 4. Main bearing cap; 5. Rear camshaft oil seal (always replace); 6....
Cylinder head 1. Cylinder head cover gasket (always replace); 2. Bearing sleeve; 3. Rubber bushing; 4. Main bearing cap; 5. Rear camshaft oil seal (always replace); 6....
Valves — removal and installation
Removal 1. Remove the cylinder head. 2. Remove the camshaft. Attention! If old parts of the distribution mechanism are to be installed, they should be installed in the...
Removal 1. Remove the cylinder head. 2. Remove the camshaft. Attention! If old parts of the distribution mechanism are to be installed, they should be installed in the...
Replacing valve stem oil seals
Excessive oil consumption can be caused by worn valve stem caps. The valve stem caps can be removed without removing the cylinder head, but a special tool is required....
Excessive oil consumption can be caused by worn valve stem caps. The valve stem caps can be removed without removing the cylinder head, but a special tool is required....
Checking the valve guides
When repairing a cylinder head with leaky valves, it is not enough to treat or replace the valves and seats. In addition, the valve guides should be checked for wear....
When repairing a cylinder head with leaky valves, it is not enough to treat or replace the valves and seats. In addition, the valve guides should be checked for wear....
Lapping the valve seat
The machined seat and new valve must be lapped together to ensure maximum sealing. Valves should be lapped only with fine grinding paste. A rubber suction cup is...
The machined seat and new valve must be lapped together to ensure maximum sealing. Valves should be lapped only with fine grinding paste. A rubber suction cup is...
Cylinder head/valve machining
Valve seats with signs of wear and burning can be machined, preserving the correction angles and seat width. Otherwise, the cylinder head must be replaced. Always...
Valve seats with signs of wear and burning can be machined, preserving the correction angles and seat width. Otherwise, the cylinder head must be replaced. Always...
Checking and adjusting valve clearances
To compensate for various thermal expansions, there must be a gap in the distribution mechanism. If the clearance is too small, the valve timing changes, compression is...
To compensate for various thermal expansions, there must be a gap in the distribution mechanism. If the clearance is too small, the valve timing changes, compression is...
Checking the compression in the cylinders
Compression testing allows you to judge the condition of the engine. Namely, when checking, you can determine whether the valves and pistons are in order or worn out...
Compression testing allows you to judge the condition of the engine. Namely, when checking, you can determine whether the valves and pistons are in order or worn out...
V-belt — inspection and replacement
Belt placement 1. Adjusting screw (for servo pump V-belt) 2. Lock nut 10 N·m (for servo pump adjusting screw, tightening torque: 25 N·m.) 3. Coolant pump pulley 4. Servo...
Belt placement 1. Adjusting screw (for servo pump V-belt) 2. Lock nut 10 N·m (for servo pump adjusting screw, tightening torque: 25 N·m.) 3. Coolant pump pulley 4. Servo...
Engine malfunctions
Cause Method of elimination Pre-channel system defect Check the pre-channel system for defect diagnostics Injector defect Check the injectors Injection pump defect...
Cause Method of elimination Pre-channel system defect Check the pre-channel system for defect diagnostics Injector defect Check the injectors Injection pump defect...
Engine lubrication system — general information
Viscosity of motor oil Viscosity is the degree of fluidity of motor oil. Oil fluidity changes depending on temperature. As the temperature increases, it liquefies. This...
Viscosity of motor oil Viscosity is the degree of fluidity of motor oil. Oil fluidity changes depending on temperature. As the temperature increases, it liquefies. This...
Oil circuit — pressure check
Attention! Diesel engines are additionally equipped with oil nozzles that spray oil flow onto the piston bottoms for the purpose of cooling them. Checking oil pressure...
Attention! Diesel engines are additionally equipped with oil nozzles that spray oil flow onto the piston bottoms for the purpose of cooling them. Checking oil pressure...
Removal and installation the oil pan
To seal the oil pan, use a regular sealant, such as Loctite. Caution! Do not apply too much sealant, be especially careful near the bolt holes. The parts must be...
To seal the oil pan, use a regular sealant, such as Loctite. Caution! Do not apply too much sealant, be especially careful near the bolt holes. The parts must be...
Oil pump design
Oil pump 1. Bolt, 5 Nm.; 2. Oil pump cover; 3. Bolt, 8 Nm.; 4. Internal gear; 5. External gear; 6. Front cover; 7. Oil pressure control valve (pressure reducing valve);...
Oil pump 1. Bolt, 5 Nm.; 2. Oil pump cover; 3. Bolt, 8 Nm.; 4. Internal gear; 5. External gear; 6. Front cover; 7. Oil pressure control valve (pressure reducing valve);...
Cooling system design
Radiator 1. Expansion tank; 2. Holder; 3. Lid; 4. Bracket; 5. Upper radiator hose; 6. Gasket; 7. Outlet plug; 8. Rubber mount; 9. Oil radiator hose (not available in all...
Radiator 1. Expansion tank; 2. Holder; 3. Lid; 4. Bracket; 5. Upper radiator hose; 6. Gasket; 7. Outlet plug; 8. Rubber mount; 9. Oil radiator hose (not available in all...
Diesel engine fuel injection device
Placement of elements of the preheating system 1. Glow plug; 2. Coolant temperature sensor; 3. Left front wall in the driver's footwell; 4. Glow timer; 5. Pre-glow...
Placement of elements of the preheating system 1. Glow plug; 2. Coolant temperature sensor; 3. Left front wall in the driver's footwell; 4. Glow timer; 5. Pre-glow...
Glow Plugs — Removal and Installation
Removal 1. Unscrew the connecting cable and the busbar. 2. Remove the glow plug. Caution! After loosening, carefully remove the glow plug by hand, as the ceramic part is...
Removal 1. Unscrew the connecting cable and the busbar. 2. Remove the glow plug. Caution! After loosening, carefully remove the glow plug by hand, as the ceramic part is...
Diesel engine fuel system
Elements of the power supply system 1. Handbrake; 2. Fuel filter; 3. Drain tap; 4. Fuel injection pump; 5. Bypass valve; 6. Fuel shut-off valve plug connection; 7. Cold...
Elements of the power supply system 1. Handbrake; 2. Fuel filter; 3. Drain tap; 4. Fuel injection pump; 5. Bypass valve; 6. Fuel shut-off valve plug connection; 7. Cold...
Checking and replacing the fuel shut-off valve
The fuel shut-off valve on the high-pressure fuel pump opens the fuel supply when the ignition is turned on. It should be checked if the engine does not start or...
The fuel shut-off valve on the high-pressure fuel pump opens the fuel supply when the ignition is turned on. It should be checked if the engine does not start or...
Idle speed and maximum speed limit
Checking/adjusting idle speed and maximum speed Since diesel engines do not have an ignition system, a special tachometer operating on photocells is required. 1. Warm up...
Checking/adjusting idle speed and maximum speed Since diesel engines do not have an ignition system, a special tachometer operating on photocells is required. 1. Warm up...
Injectors — removal and installation
Faulty injectors can cause severe engine detonation and damage to bearings. If such faults occur, let the engine idle and loosen the union nuts of the injectors one by...
Faulty injectors can cause severe engine detonation and damage to bearings. If such faults occur, let the engine idle and loosen the union nuts of the injectors one by...
Start of high pressure fuel pump delivery
The moment of the start of the injection pump feed must be adjusted after tensioning, removing or replacing the toothed belt, as well as after loosening the threaded...
The moment of the start of the injection pump feed must be adjusted after tensioning, removing or replacing the toothed belt, as well as after loosening the threaded...
Operation of diesel in winter
Fuel additives are not used in diesel engines, even in winter. When the ambient temperature drops, the fluidity of diesel fuel decreases due to paraffin deposits. Diesel...
Fuel additives are not used in diesel engines, even in winter. When the ambient temperature drops, the fluidity of diesel fuel decreases due to paraffin deposits. Diesel...
Technical data of the diesel fuel system
Engine 2.0 l Engine type CD20 Idle speed, rpm: - manual transmission 750±50 Maximum speed, rpm: - manual transmission 5400 – 5600 – Automatic transmission 5500 Starting...
Engine 2.0 l Engine type CD20 Idle speed, rpm: - manual transmission 750±50 Maximum speed, rpm: - manual transmission 5400 – 5600 – Automatic transmission 5500 Starting...
Useful tips for diesel car owners
If you are thinking about switching to diesel, but do not know how to take care of it yourself, then we will say right away that maintaining a diesel engine in good...
If you are thinking about switching to diesel, but do not know how to take care of it yourself, then we will say right away that maintaining a diesel engine in good...
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Similar information for other Nissan models
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➜ Power unit: Diesel engine YD25DDTi Nissan Serena 2 (1999-2005)
➜ Power unit: Diesel engines 2.0L (M9R) Nissan Qashqai 1 (2006-2013)
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- General information
- User manual
- Faults en route
- Maintenance
- Power unit
- Petrol engines (1.4 and 1.6)
- Engine overhaul (1.4 and 1.6)
- Petrol engines (2.0)
- Engine overhaul (2.0)
- Diesel engine
- Cooling system
- Heating and ventilation
- Power system (carburetor)
- Power system (injector)
- Fuel injection system
- Single point injection
- Multi-point injection
- Decreased toxicity
- Engine electrical equipment
- Transmission
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- Chassis
- Brake system
- Car suspension
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- Electrical equipment
- Equipment and devices
- Electrical circuits
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