Turbocharger

Troubleshooting

 
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Clogged air filter    element

Replace element according to engine manufacturers recommendations

 

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Obstructed air intake duct to turbo compressor

Remove obstruction or replace damaged parts as required

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Obstructed air outlet duct from compressor to intake manifold

Remove obstruction or replace damaged parts as required

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Obstructed intake manifold

Refer to engine manufacturers manual & remove obstruction

 

 

 

 

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Air leak in duct from air cleaner to compressor

Correct leak by replacing seals or tightening fasteners as required

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Air leak in duct from compressor to intake manifold

Correct leak by replacing seals or tightening fasteners as required

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Air leak at intake manifold to engine joint

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

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Obstruction in exhaust manifold

Refer to engine manufacturers manual & remove obstruction

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Obstruction in muffler or exhaust stack

Remove obstruction or replace faulty components

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Gas leak in exhaust manifold to engine joint

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

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Gas leak in turbine inlet to exhaust manifold joint

Replace gasket or tighten fasteners as required

 

 

 

 

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Gas leak in ducting after the turbine outlet

Refer to engine manufacturers manual & repair leak

 

 

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Obstructed turbocharger oil drain line

Remove obstruction or replace line as required

 

 

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Obstructed engine crankcase vent

Refer to engine manufacturers manual, clear obstruction

 

 

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Turbocharger center housing sludged or coked

Change engine oil & oil filter, overhaul or replace turbo as required

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Fuel injection pump or fuel injectors incorrectly adjusted

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

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Engine camshaft timing incorrect

Refer to engine manufacturers manual & replace worn parts

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Worn engine piston rings or liners (blowby)

Refer to engine manufacturers manual & repair engine as required

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Internal engine problem (valves, pistons)

Refer to engine manufacturers manual & repair engine as required

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Dirt caked on compressor wheel and/or diffuser vanes

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

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Damaged turbocharger

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

 

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Normal Use

Acceptable operating & maintenance procedures

 

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