Remove the oil filler neck by lifting the tab -1- and turning the oil filler neck counterclockwise -arrow-.
Remove the fuel return pipes. lines from the injection nozzles; to do this, pull the release bolt upwards -arrow-.
Pull plug connection -1- for lambda probe -G39- out of holder and disconnect it. Release el. the wire. Unscrew bolt -arrow- and remove bracket for connector for lambda probe -G39-.
Disconnect plug connectors for glow plugs for cylinders 4 and 5. Disconnect plug connectors -1...4-. Release wiring harness using lever -80 - 200-.
For re-installation, note the correspondence of the high pressure lines to the injection nozzles. Loosen the union nuts of the high-pressure lines -1...6- using a 17 mm insert -VAG 1331/6- and a socket wrench attachment -T40055-, and remove the high-pressure lines.
Unscrew the bolts -arrows- for the injection nozzle covers. Pull the covers up and turn 90°.
Unscrew the bolts -arrows- for the injection nozzles.
Reinstallation of injection nozzles is only permitted on the cylinder on which they were originally installed. Mark the correspondence of each injector to the cylinder. Remove the injection nozzles using a puller -T10055- with adapter -T10055/1 -.
Unscrew the cylinder head cover bolts -arrows- crosswise. Remove the bolts and remove the cylinder head cover.
Installation
Install in reverse order. Replace the damaged cylinder head cover gasket. If the gasket is damaged, replace the cylinder head cover bolts. Clean the seating surfaces; There should be no oil or grease on them. Tighten the cylinder head cover bolts. Install the injectors, high pressure lines and upper part of the intake manifold. Check the fuel. systems for tightness.
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