Volkswagen Golf/Jetta 2 manual

General information
Engine repair procedures 1.8 litre 16 valve / General information

The 1.8 litre, 16-valve engine fitted to GTi models from October 1986, incorporates double overhead camshafts, one operating the exhaust valves and the other the inlet valves. There are four valves per cylinder which operate simultaneously in pairs and provide the engine with a much improved breathing capability over the 8-valve version, thus resulting in greater power output. A single camshaft sprocket is attached to the exhaust camshaft and a chain and sprocket at the opposite end of the cylinder head is used to drive the inlet camshaft (see illustration).

Most overhaul procedures for the 16-valve engine are basically the same as those described for the 8-valve engine in Part C of this Chapter. The following Sections describe procedures which differ.

1.0 The 1.8 litre, 16 valve, fuel injection engine
1.0 The 1.8 litre, 16 valve, fuel injection engine

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