Audi:: A8:: Right cover of a head of the block of cylinders

3.13. Right cover of a head of the block of cylinders

Prevention

All clips and collars which at removal of a cover of a head of the block of cylinders will be damaged or cut at installation of a cover of a head of the block of cylinders need to be replaced with new.

Removal

Fig. 3.1-7. An arrangement of protection covers (1-4) in a back part of a motor compartment

Unscrew four screws and remove a casing of the engine (fig. 3.1-7).

Fig. 3.1-42. An arrangement of collars of fastening of an air branch pipe of a flowmeter of air and the soaking-up pipeline: 1 – fuel supply pipeline; 2 – fuel supply hose

Weaken collars and remove the air branch pipe which is connecting a flowmeter of air and soaking up the pipeline (see fig. 3.1-42).

Disconnect a hose of ventilation of a case from a cover of a head of the block of cylinders.

Disconnect a rope and take it aside.

Fig. 3.1-83. Arrangement of bolts of fastening of the right cover of a head of the block of cylinders

Turn off bolts of fastening (fig. 3.1-83) and uncover a head of the block of cylinders.

Installation

Installation is carried out to the sequences, the return to removal, taking into account the following.

If necessary replace laying of a cover of a head of the block of cylinders.

At installation of a cover do not bear a thin layer of sealant D 454 300 A on basic surfaces of extreme covers of the camshaft, at the same time do not block an opening for oil supply.

Before installation of laying spray silicon A2 lubricant D 007 000 on both of its parties.

Tighten bolts of fastening of a cover of a head of the block of cylinders gradually on diagonal.