Nissan QR20DE 2.0L Engine Specs, Problems, Reliability

Nissan QR20DE 2.0L Engine Specs, Problems, Reliability. Nissan QR20DE engine is a 2.0-liter engine changed the old famous SR20DE engine.

Nissan QR20DE 2.0L Engine Specs

The QR20DE has aluminum cylinder block. It got the specific ignition coils, electronic throttle, customized cylinder head, variable valve timing system on the intake camshaft, balance shafts for smooth operation, and other small touches and changes. The QR20DE hasn’t hydraulic tappets. Valve gap modification is required every 60,000 miles.

The QR20DE is not such trustworthy as its predecessor. The producer says what engine warranty is 120,000 miles. If you will alter engine oil regularly than service schedule needs, drive very mindful and mild, there’s an opportunity to get 150,000 mileage. To sum up, obviously, the QR20DE engine became more contemporary and highly advanced, however many people choose the old SR20DE, due to its reliability and simpleness.

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Nissan QR20DE 2.0L Engine Specs, Problems, Reliability

There is the more powerful 2.5-liter QR25DE engine of QR series. Later on, another two-liter engine the MR20DE replaced the QR20DE engine.

Nissan QR20DE Engine Problems and Reliability

1. The stretched timing chain. This drawback appropriates for the first production year. The new chain will enable you to ignore any problems with it.
2. Oil leakages from the cylinder head cover. That issue fixes by installing the brand-new gasket.
3. This engine is tough to start in the cold weather.
4. The driver has a short life.
5. The thermostat is an example of unreliability, and you can rapidly get too hot the new aluminum cylinder block.

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you must see more engine detail in here:  Engine – US Cars News or you can see on wiki here

Nissan QR20DE 2.0L Engine Specs

Manufacturer Nissan Shatai Kyushu, Nissan Shatai Shonan, Nissan Shatai Kyoto
Production years 2000-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 89.0
Stroke, mm 80.3
Displacement, cc 1998
Type of internal combustion engine Four-stroke, naturally aspirated
Compression Ratio 9.9
Power, hp 147/6000
Torque, lb ft 148/4000
Engine weight
Firing order 1-3-4-2
Engine oil weight 5W-30, 5W-40
Engine oil capacity, liter 3.9
Oil change interval, mile 10,000
Applications Nissan Primera, Nissan X-Trail, Nissan Teana, Nissan Serena, Nissan Wingroad, Nissan Avenir, Nissan Prairie
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