Engine Nissan QG15DE

The QG15DE engine is developed on the basis of the QG16DE, it was created with an eye to replacing the GA15DE. The manufacturer has reduced the diameter of the cylinders of the cylinder block. In addition, other pistons were used in the engine. The engine has an increased Compression ratio. But in general, for the most part, the engine is a repetition of the QG16DE, which served as a base for it. In order to reduce the toxicity of the outlet, the EGR system was used on the engine, a mechanical throttle valve was installed. This approach made it possible to slightly mitigate the environmental damage caused by vehicle outlet. Continue reading Engine Nissan QG15DE

Engine Nissan QG16DE

The 79 kW QG16DE engine with two camshafts has four valves per cylinder. The engine camshafts are driven by a chain. The cylinder block of the QG16DE engine is a single casting that forms the cylinders, a cooling jacket, the upper part of the crankcase and five crankshaft bearings made in the form of crankcase baffles. The block is made of special ductile iron with cylinders bored directly into the block body. The engine main bearing caps are machined with blocks and are therefore not interchangeable. Continue reading Engine Nissan QG16DE

Engine Nissan MR20DE/M4R

The start of engine production according to various sources dates back to 2004 or 2005 and is produced to this day. First, it was installed on the Nissan Lafesta and Nissan Serena minivans, as well as on the Nissan Bluebird Sylphy sedan (in Russia, Nissan Almera, produced at AvtoVAZ facilities). Since 2006, it has been installed on the Nissan Qashqai (Dualis in Japan, in America – Rogue), and since 2007 on the Nissan X-trail. This engine is installed not only on Nissan cars, but also on Renault cars such as: Renault Clio, Renault Laguna, Renault Mégane and others. Now on the new Qashqai and X-trail their slightly modernized version is put with 144 hp versus 141 in previous generations and 135-138 hp produced by Renault. Continue reading Engine Nissan MR20DE/M4R