Many vehicles today come with a factory installed turbo. These so called “turbo-charged” engines have a turbo attached to the engine under your bonnet. If your vehicle has a factory installed turbo you need to keep careful watch on your engine performance as these devices have been known to fail. When a turbo does fail your engine performance will be greatly diminished.

No turbo lasts forever. If you have a factory installed turbo on your vehicle chances are you will have to replace it eventually. Here at Grimsdyke we are able to carry out most repairs to most turbos and turbo related problems.

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How a turbo works

A turbo charger utilises a turbine which is driven by hot engine exhaust, when these gases expand it will spin the turbine at high speeds, which forces air into the engine. Engine oil is used to cool and lubricate the turbine shaft in the turbo housing. In some applications, an Inter-Cooler is used to cool the intake charge before it enters the engine, thus increasing horsepower.

To help regulate the air intake pressure a device called a waste-gate is designed to release boost at a measured pressure point. This is done to limit the amount of boost the engine receives; if the engine is boosted too much it can cause internal engine failure. A turbo charger increases the compression of the engine, so to combat engine ping (detonation) low compression pistons are installed. Turbo chargers help reduce the amount of fuel that is required to achieve the same level of power.

A turbo charged engine requires oil changes be more frequent than a non-turbo charged engine. The turbo charger will break oil down sooner because of the added stress on the engine. When a turbo charger has failed it can cause the engine to have less power and perfomance. A regular maintenance routine for a turbo charged vehicle will ensure proper operation and have less risk of breaking down, as well as damaging components like plugging the catalytic converter.

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