Turbocharger Troubleshooting-EMTURBO

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Turbocharger Troubleshooting

For Diesel Turbocharged Engines

A Engine lacks power

B Black exhaust smoke

C Excessive engine oil consumption

D Blue exhaust smoke

E Turbocharger noisy

F Cyclic sound from turbocharger

G Oil leak from compressor seal

H Oil leak from turbine seal

CAUSE

REMEDY

Clogged air filter element

Replace element according to engine manufacturers recommendations

Obstructed air intake duct to turbo compressor

Remove obstruction or replace damaged parts as required

Obstructed air outlet duct from compressor to intake manifold

Remove obstruction or replace damaged parts as required

Obstructed intake manifold

Refer to engine manufactures manual & remove obstruction

Air leak in duct from air cleaner to compressor

Correct leak by replacing seals or tightening fasteners as required

Air leak in duct from compressor to inlet manifold

Correct leak by replacing seals or tightening fasteners as required

Air leak at intake manifold to engine joint

Refer to engine manufacturers manual & replace gaskets or tighten fasteners as required

Obstruction in exhaust manifold

Refer to engine manufactures manual & remove obstruction

Obstruction in muffler or exhaust stack

Remove obstruction or replace faulty components as required

Gas leak in turbine inlet to exhaust manifold joint

Refer to engine manufacturers manual & replace gaskets or tighten fasteners as required

Gas leak in turbine inlet to exhaust manifold joint

Replace gasket or tighten fasteners as required

Gas leak in ducting after the turbine outlet

Refer to engine manufactures manual & repair leak

Obstructed turbocharger oil drain

Remove obstruction or replace line as required

Obstructed engine crankcase vent

Refer to engine manufacturers manual, clear obstruction

Turbocharger center housing sludged or coked

Change engine oil & oil filter, overhaul turbocharger as required

Fuel injection pump or fuel injectors incorrectly adjusted

Refer to engine manufacturers manual - replace or adjust faulty component(s) as required

Engine camshaft timing incorrect

Refer to engine manufacturers manual & replace worn parts

Worn engine piston rings or liners (blow by)

Refer to engine manufacturers manual & repair engine as required

Internal engine problem (valves, pistons)

Refer to engine manufacturers manual & repair engine as required

Dirt caked on compressor wheel and/or diffuser vanes

Clean using a Non-Caustic cleaner & Soft Brush. Find & correct source of unfiltered air & change engine oil &oil filter

Damaged turbocharger

Analyze failed turbocharger, find & correct cause of failure, overhaul or replace turbocharger as required