Nissan MR20DE 2.0L Engine Specs, Problems, and Reliability. The MR20DE engine replaced the engine QR20DE on the assembly line. It is more powerful and torquey engine with a trusted timing chain. The MR20DE service warranty is longer than the QR20DE (about 200,000 miles).
The engine was geared up with variable valve timing system (VVT) on the intake camshaft. The engine has not hydraulic tappets. If you hear rising noise from the engine, this probably the very first sign of increased valve gaps. Washers change valve clearances. The engine has a basic design.
Bottom line, the MR20DE quite an ordinary engine, with its benefits and drawbacks. The 1.6-liter HR16DE engine is the smaller variation of this engine.
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Nissan MR20DE Engine Problems and Reliability
- High oil intake. This issue can be the sign of broken oil rings or damage to a cylinder surface.
- Timing chain sound. This problem often is accompanied by unsteady idle and loss of power. You require to change the timing chain.
- We need to discuss such issue as cylinder head cracks. When replacing the spark plug, it is essential not to twist them with a great deal of torque. To avoid such concern, likewise it is required to change spark plugs on a cold engine.
you must see more engine detail in here: Engine – US Cars News or you can see on wiki here
Nissan MR20DE 2.0L Engine Specs
| Manufacturer | Oppama Plant, Aguascalientes Plant, Kyushu Plant |
| Production years | 2005-present day |
| Cylinder block material | Aluminum |
| Cylinder head material | Aluminum |
| Fuel type | Gasoline |
| Fuel system | Electronic fuel injection |
| Configuration | Inline |
| Number of cylinders | 4 |
| Valves per cylinder | 4 |
| Valvetrain layout | DOHC |
| Bore, mm | 84.0 |
| Stroke, mm | 90.1 |
| Displacement, cc | 1997 |
| Type of internal combustion engine | Four-stroke, naturally aspirated |
| Compression Ratio | 10.2 |
| Power, hp | 133-141/5200 |
| Torque, lb ft | 142-146/4400 |
| Engine weight | – |
| Firing order | 1-3-4-2 |
| Engine oil weight | 0W-20, 5W-30, 5W-40 |
| Engine oil capacity, liter | 4.4 |
| Oil change interval, mile | 10,000 |
| Applications | Nissan X-Trail, Nissan Teana, Nissan Qashqai, Nissan Sentra, Nissan Serena, Nissan Bluebird Sylphy, Nissan NV200, Renault Samsung SM3, Renault Samsung SM5, Renault Clio, Renault Laguna, Renault Safrane, Renault Megane, Renault Fluence, Renault Latitude, Renault Scenic |