Audi A4, S4 + Introduction + Governing bodies and methods of safe operation + Current leaving and service - Engine Specifications Removal and installation of the top cover of the engine / lower protection of a motive compartment / stretcher Check of a compression in engine cylinders, identification of leaks Check of the engine by means of the vacuum gage + 4-cylinder petrol engines + 6-and 8-cylinder petrol engines + 4-cylinder diesel engines - 6-cylinder diesel engines General information Removal and installation of a gear belt of the GRM drive Removal and installation of a head of the block of cylinders Removal and installation of a belt of the drive of auxiliary units + engine Lubrication system + Cooling systems, heating and air conditioner + Power supply systems, release and decrease in toxicity of the fulfilled gases + Systems of electric equipment of the engine + Manual box of gear shifting + Automatic transmission + Coupling, power shafts and differential + Brake system + Suspension bracket and steering + Body + Onboard electric equipment
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Removal and installation of a belt of the drive of auxiliary units
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Before removal of a maple belt mark with chalk or a felt-tip pen the direction of rotation on a belt. Change of the direction of rotation of the belt which was in work can lead to its gap. At installation of a belt pay attention to its correct situation on pulleys. |
Removal
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- Install the forward panel in situation for carrying out servicing, address to the Section Installation of the Forward Panel in situation for maintenance.
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- Unscrew the fan with the viscous coupling a wrench on 22 mm, thus the second key hold a nave.
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- Take out from holders an engine cover up.
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- Uncover forward left and right a gear belt.
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- Unscrew screws of fastening of a cover of a maple belt (an arrow on an accompanying illustration) and take out it.
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Unscrew screws of fastening of a support (an arrow on an accompanying illustration) and take out it.
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- Uncover a tension roller of the compressor and turn off a bolt of fastening of a tension roller (the shooter on an accompanying illustration).
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- Take off maple a compressor drive belt.
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- Turn a face key the tension device in the direction of an arrow on an accompanying illustration so that lock openings were one above another. In this situation insert the AUDI-T10060 tool or a suitable mandrel (mm Ø 4) into openings, having fixed thus the tension device.
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- Take off maple a belt.
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Installation
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- Put on maple a belt at first a pulley of a cranked shaft (1) and the directing rollers (4/6) and then a tension roller (7).
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- Turn a tension roller a face key counterclockwise a little, take out a lock finger and take away a tension roller back.
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- Put on maple a belt a compressor pulley.
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- Establish a dinamometrichesky key (C) with a face key on 8 mm, as shown in an accompanying illustration, and pull maple a belt in the direction of an arrow the moment 7nm.
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- In this situation tighten a bolt (And) a dinamometrichesky key the moment 22nm.
- Establish a cover of a tension roller.
- Fix the fan with the viscous coupling, holding the second wrench a nave.
- Start the engine and visually check the belt course.
- Establish the holder of the lock, address to the Section Installation of the Forward Panel in situation for maintenance.
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