Audi A4, S4
+ Introduction
+ Governing bodies and receptions of safe operation
+ Current leaving and service
- Engine
Specifications
Removal and installation of the top cover of the engine / bottom protection of an impellent compartment/stretcher
Compression check in engine cylinders, identification of leaks
Engine check by means of the vacuum gage
+ 4-cylinder petrol engines
+ 6-and 8-cylinder petrol engines
- 4-cylinder diesel engines
General information
Removal and installation of a gear belt, engines of 1.9 l (AVB, AWX, AVF)
Natyazhitel of a belt with damping by a friction
Removal and installation of a head of cylinders, diesel engines of 1.9 l (AVB, AWX, AVF)
Removal and installation of a belt of a drive of auxiliary units
+ 6-cylinder diesel engines
+ System of greasing of the engine
+ Systems of cooling, 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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Natyazhitel of a belt with damping by a friction
Weakening of a gear belt
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Unscrew a nut of fastening (1) tension roller.
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Turn counter-clockwise the clown HAZET 2587-1 key so that the tension roller could be fixed a lock finger of T 10115 or similar.
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Turn HAZET 2587-1 key clockwise against the stop and tighten by hand a nut (1).
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Remove a gear belt at first from the pump of cooling liquid and then from other cogwheels.
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Installation
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Check, whether the tension roller by a lock finger of T 10115 is fixed and whether is fixed by a nut on the right emphasis.
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Adjusting works with a gear belt are necessary for making only on the cold engine. At turn of a camshaft the stop of any piston in situation VMT is not allowed. Danger of damage of the valves/the bottom of pistons. |
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Check the provision of a tension roller: The lock pad (an arrow on an accompanying illustration) should enter into a groove on a head of cylinders, and an opposite case as appropriate it is necessary to displace the holder.
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Once again check, whether VMT labels coincide.
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Unscrew bolts of fastening of a wheel of a camshaft so that the wheel could move in oblong openings.
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Establish a wheel in oblong openings in average situation.
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Put on a gear belt a camshaft wheel, a tension roller, a wheel of a cranked shaft and in the last turn on a wheel of the pump of cooling liquid.
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Tension of a gear belt
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Take out lock finger Т10115.
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Unscrew a nut of fastening (1) tension roller.
Turn the clown of a tension roller HAZET 2587-1 key in the direction of an hour hand so that the index (2) stood on the center before a window of a basic plate.
Holding a tension roller in this situation tighten a nut of fastening of a tension roller the moment 20Нм + 45 °.
Tighten bolts of fastening of a wheel of a camshaft the moment 25Нм.
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