Turbo Failure:


Adding a turbo to a vehicle’s engine is a highly effective way of massively increasing its power. In simple terms, a turbo forces more air into the engine’s cylinders which, added to some extra fuel, means a bigger bang can be created in the cylinder and that contributes to more power.

A turbocharger is a component comprised of a turbine and air compressor which is used to harness the waste exhaust gasses emitted from an engine. It forces more air into the cylinders, helping the engine to produce more power.
The turbocharger is bolted to the exhaust manifold of the engine. The exhaust from the cylinders spins the turbine, which works like a gas turbine engine. The turbine is connected by a shaft to the compressor, which is located between the air filter and the intake manifold.

Causes for turbo failures
Turbochargers are extremely reliable. Instead, blown turbos are normally the result of problems with the engine parts.
Oil/lubrication: Engine oil works to lubricate key moving parts, protect them from corrosion and keep them cool while in use. The turbocharger also needs a constant flow of clean, quality oil. A lack of oil or the incorrect grade of oil will lead to build up of contaminants in the engine (oil contaminants) and this can cause extreme damage to the inside of the turbo.

Damaged seals: If the seals between the compressor and the engine become worn or cracked, oil will leak into the exhaust system. As a result, the turbo has to work harder to increase air pressure. It will reduce the efficiency and the boost delivered by the turbo.

Foreign objects: A turbocharger consist out of two components- the compressor at the front and the turbine at the back. Sometimes, foreign object such as dust particles, dirt, leaves and small stones can enter the turbo. These particles often damage the turbine of the turbo, the air filter and the engine.

Symptoms of turbo failures:
Power loss- When your vehicle is not accelerating as powerfully as it used to or the vehicle struggles to reach/maintain high speeds, you could be experiencing a turbo failure.
Whining engine- One of the advantages of a turbocharger is that is actually makes the engine quieter, because it muffles the sound of air intake. However, when you start to hear a loud, whining noise it is a symptom of turbo failure.

Exhaust smoke- When oil leaks into the exhaust system, it produces blue/grey smoke as it burns off. This is caused by broken seals.
You can drive with a blown turbocharger, but engine failure won’t be far behind if that is the case. Only drive on if it’s necessary. Trust your Audi and VW specialists at V.A.G Spec Centre to help you detect the problem if you experience any of these symptoms.

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