Nissan SR20DE Engine Service Repair Manuals
"SR20DE Engine Repair and Maintenance Manual" is a detailed and practical guide designed for owners, mechanics and enthusiasts who want to understand and service one of Nissan's most popular engines. The book provides step-by-step instructions for diagnostics, repair and preventive maintenance, as well as diagrams, illustrations and tips for eliminating common faults. Includes information on engine assembly and disassembly, component adjustment, fuel injection system, ignition, as well as recommendations for the use of tools and consumables. This manual will become an indispensable assistant for anyone who wants to keep the SR20DE engine in excellent condition and maximize its potential.
Engines associated with SR20DE: SR16VE, SR18DE, SR20DET, SR20VE and SR20VET.
- Number of cylinders: 4
- Number of valves: 16
- Fuel system: distributed injection
- Power: 130 - 165 hp
- Compression ratio: 9.5 - 10
- Fuel consumption: 6.2-11.4
- Engine oil capacity: 4.0 liters
- What oil: 5W-30, 5W-40
- What cars was the SR20DE installed on: 180SX, 200SX, Almera, Bluebird, Primera, Sentra, Silvia, Pulsar, Wingroad
Nissan Sentra B14 SR20DE Engine
| Nissan Sentra B14 1995 Engine Control System | Download |
| Nissan Sentra B14 1995 Engine Mechanical | Download |
| Nissan Sentra B14 1995 Accelerator Control, Fuel and Exhaust Systems | Download |
| Nissan Sentra B14 1995 Engine Lubrication and Cooling System | Download |
| Nissan Sentra B14 1996 Engine Control System | Download |
| Nissan Sentra B14 1996 Engine Mechanical | Download |
| Nissan Sentra B14 1996 Accelerator Control, Fuel and Exhaust Systems | Download |
| Nissan Sentra B14 1996 Engine Lubrication and Cooling System | Download |
| Nissan Sentra B14 1997 Engine Control System | Download |
| Nissan Sentra B14 1997 Engine Mechanical | Download |
| Nissan Sentra B14 1997 Accelerator Control, Fuel and Exhaust Systems | Download |
| Nissan Sentra B14 1997 Engine Lubrication and Cooling System | Download |
| Sentra B14 1995-1999 SR Engine Control System | Download |
| Sentra B14 1995-1999 SR Engine Mechanical | Download |
| Sentra B14 1995-1999 SR Accelerator Control, Fuel and Exhaust Systems | Download |
| Sentra B14 1995-1999 SR Engine Lubrication and Cooling System | Download |
Sentra B15 SR20DE Engine
| Sentra B15 2000-2003 Engine Control System SR20DE | Download |
| Sentra B15 2000-2003 Engine Mechanical SR20DE | Download |
| Sentra B15 2000-2003 Accelerator Control, Fuel and Exhaust Systems | Download |
| Sentra B15 2000-2003 Engine Lubrication and Cooling System | Download |
Infiniti G20 P10 SR20DE Engine
| Infiniti 1994-1996 P10 Engine Control System | Download |
| Infiniti 1994-1996 P10 Engine Mechanical | Download |
| Infiniti 1994-1996 P10 Accelerator Control, Fuel and Exhaust Systems | Download |
| Infiniti 1994-1996 P10 Engine Lubrication and Cooling System | Download |
Infiniti G20 P11 SR20DE Engine
| Infiniti G20 P11 1999–2002 Engine Control System | Download |
| Infiniti G20 P11 1999–2002 Engine Mechanical | Download |
| Infiniti G20 P11 1999–2002 Accelerator Control, Fuel and Exhaust Systems | Download |
| Infiniti G20 P11 1999–2002 Engine Lubrication and Cooling System | Download |
| Infiniti G20 P11 1999–2002 Starting and Charging System | Download |
SR20DE Engine Typical Problems
The SR20DE engine is known for its reliability, but like any other engine, it can have common problems, especially with age or improper maintenance. Here are some of the common problems and issues associated with the SR20DE:
Timing Chain Issues: Over time, the timing chain can stretch, causing noise and improper valve timing. This can cause a loss of power and even serious engine damage if left untreated.
Worn Valves and Lifters: With age, the valves and lifters can wear out, causing the engine to make a knocking or rough running sound. Regular oil checks and changes can help prevent this problem.
Blown Head Gasket: This problem can occur when the engine overheats, causing a loss of compression, mixing oil and coolant, and overheating.
Ignition Coil and Spark Plug Issues: Bad ignition coils and worn spark plugs can cause misfires, resulting in rough running and loss of power.
Oil Starvation: Incorrect oil levels or a poorly functioning oil pump can cause oil starvation issues, which can cause wear on internal engine components such as bearings and the camshaft.
Sensor Failures (MAF, O2 Sensor, Throttle Position Sensor): Over time, sensors can fail, causing problems with the air-fuel mixture, reducing engine efficiency and worsening fuel economy.
Cooling System Issues: A clogged radiator, faulty thermostat or water pump can cause the engine to overheat. This can cause serious damage if the overheating is not corrected in time.
Worn Piston Rings and Cylinder Heads: This can lead to increased oil consumption and reduced compression, which affects engine performance.