Renault Energy engine

Renault Energy engine
Overview
Manufacturer Renault
Also called Renault E-Type engine
Production 1988–2005
Combustion chamber
Configuration inline-four
Chronology
Predecessor Cléon-Fonte engine
Successor DiET engine
K engine

The Renault Energy engine also known as "E engine" or "E-Type" is an automotive gasoline four-stroke inline four cylinder internal combustion engine, with a sleeved water cooled cast iron block, equipped with 5 crankshaft bearings, an overhead camshaft driven by a toothed timing belt and an aluminum cylinder head with 8 overhead valves. Developed and produced by Renault in the late 1980s, the engine made its first appearance in the Renault 19.

History

In the late 1980s, the Cleon-Fonte engine still fitted to the R4, Super 5, R9, R11 and Express had become outdated with its lateral camshaft design. Competing brands were building more modern engines with overhead camshafts. The Cleon-Fonte engine had first appeared in 1962 on the Renault 8 and Renault Floride.

For the successor of the R9 and R11, the R19, Renault would develop a more modern engine . Renault modernized its old Cleon-Fonte motor with a new hemispheric cylinder head and an overhead camshaft, driven by a toothed timing belt, which appeared as the Energy in 1988. This new engine would go on to be used in the Clio 1, Mégane 1 and even Express. The Energy engine has also equipped the Renault 9 in Argentina, Colombia and Turkey.

However, at the launch of the Renault Twingo in 1993, Renault would be forced to continue production of the Cleon-Fonte engine because the "E engine", due to its hemispherical cylinder head and front exhaust, was too large to accommodate in the Twingo. The Energy ( E7F ) was gradually replaced with the D7F engine in 1996 on the Renault Clio, due to new standards of pollution control and lower fuel consumption required for more modern engines. The D7F engine simultaneously replaced the 1.2 Energy and the 1.2 Cleon-Fonte engines.

The E7J was replaced by the K7J engine.

Different cylinder capacity

engine types E5F - E7F E6J - E7J
cylinder capacity 1171 cc 1390 cc
bore (mm) 75.8 75.8
stroke (mm) 64.9 77

Evolution Engine

The Energy engine evolved into the K engine that appeared on the Megane 1. The main difference is the machining of the cylinders since this engine has removable liners. The head of the Energy engine is kept on 8 valve versions. The K engine was also developed in 16-valve versions and was available as a diesel (K9K - 1.5 dCi).

ExF

E7F engine in a 1992 Renault Clio

The ExF displaces 1.2 L (1,171 cc (71 in3)). The E5F is carbureted while the E7F has an electronically controlled single-point fuel injection coupled to a catalytic converter. Output ranges between 40 and 44 kW (54 and 60 PS) depending on model year and application.

Applications:

ExJ

The ExJ displaces 1.4 L (1,390 cc (85 in3))

Applications:

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