Signs of Diesel Trouble…

If your diesel engine begins to belch excess smoke…

This could be caused by:

• Dirty air cleaner.

• Air intake system restriction.

• Cracked mounting flange/gasket missing.

• Fuel pump/injectors/valve timing incorrectly set.

• Wastegate mechanism set incorrectly.

• Turbocharger damaged.

If your diesel engine lacks Power…

This could be caused by:

• Dirty air cleaner.

• Air intake system restriction.

• Cracked mounting flange/gasket missing.

• Exhaust for foreign object restriction.

• Fuel pump/injectors/valve timing incorrectly set.

• Burnt valves and/or pistons.

• Turbocharger damaged

If your diesel engine is noisy…

Often the noise comes from air/gas leakage due to pre-turbine exhaust gas or an air/boost leaks.

Check all joints – if noise continues check turbocharger clearances and wheels for housing contact.

If your Turbocharger is seized or sluggish…

Noisy/Whistling

If the turbocharger rotor assembly has seized or is tight to rotate, this is often due to lubricating oil degradation, which can cause a high build up of carbon in the bearing housing interior restricting rotation. Insufficient or an intermittent drop in oil pressure can cause the rotor to seize, as can introducing dirt into the lubricating oil.

If your Turbocharger has worn or excessive clearance…

A turbocharger has specific axial and radial rotor clearances. These are sometimes mis-diagnosed as ‘worn bearings’ (See engine manual or come to Western Turbo.  If the clearances are out of specification the cause could be attributed to a lubricating oil problem, i.e. insufficient oil, dirt ingress, oil contamination with coolant.

If any of these signs appear, contact the diesel service experts at Western Turbo.  We will diagnose the problem and then either rebuild or replace your turbocharger.  For all your diesel engine repairs, see us at the Diesel Service Centre on 325 Eagle Road. Winnipeg.

Written by Western Turbo Fuel Injection
July 29, 2017

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