If after checking with the troubleshooting guidelines and your engine manual you decide that the turbocharger has to be inspected, carefully remove it from the engine. If the turbocharger needs to be overhauled Cummins Turbo Technologies provide a comprehensive range of repair manuals and data sheets to aid you in the repair of your Holset turbocharger.

Never continue to operate an engine with a suspect or noisy turbocharger as this could result in total engine failure.

This section details some of the common causes of turbocharger failure and probable causes of damage.