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TURBOS — DIAGNOSTIC MATRIX
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TURBOS — DIAGNOSTIC MATRIX
TYPES OF FAILURE TYPES OF FAILURE
Dirty air filter system
Suction and pressure line distorted or leaking
Excessive flow resistance in exhaust system
Leakage upstream of turbine
Oil feed and drain line clogged, leaking or distorted
Crankcase ventilation clogged and distorted
Coke and sludge in turbocharger center housing
Fuel System/injection feed system defective or incorrectly adjusted
Valve guide, piston rings, engine or cylinder liners worn
Increased blow by
Dirty compression or charge air cooler
Boost pressure control swing valve/poppet valve does not close
Boost pressure control swing valve/poppet valve does not open
Pipe assy to swing valve/poppet valve defective
Piston ring sealing defective
Turbocharger bearing damage
Foreign body damage on compressor or turbine
Exhaust gas leakage between turbine outlet and exhaust pipe
Engine air collector cracked/missing or loose gaskets
Turbine housing/flap damaged
Insufficient oil supply of turbocharger
Failures listed in this Diagnostic Matrix are general in nature and do not completely address all possible failures or causes of failures.The information in this Matrix is provided for informational purposes only. FleetPride accepts no responsibility for the correctness of any diagnosis based in whole or in part upon the use of this Matrix. Please consult a certified or experienced technician for your evaluation, service or replacement of your turbocharger.
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