TROUBLESHOOTING ENGINE 11-5 Problem Cause Solution Exhaust Gas is White Wrong fuel Cold engine Thermostat faulty or too “cool” Injection pump out of time Coolant leakage into engine cylinder Drain tank. Use correct fuel. Run engine until warm. See your authorized dealer. See your authorized dealer. See your authorized dealer. Turbocharger Excessively Noisy or Vibrates Bearings not lubricated Worn bearings Air leak in engine, intake or exhaust manifold Improper clearance between turbine wheel and turbine housing Broken blades on turbine Insufficient oil pressure. Check for restricted turbocharger oil line. See your authorized dealer. Inspect, repair. See your authorized dealer.
Remove exhaust elbow and air inlet hose and inspect. Oil Dripping from Turbocharger Adapter Damaged or worn bearings and/or worn seals Excessive crankcase pressure Turbocharger oil return line carbon build up where line passes exhaust manifold See your authorized dealer. Inspect and clean air cleaner. Check for proper engine service intervals or dirt enter into engine. Check vent tube to ensure tube is not plugged. Clean. Remove line. Inspect, clean.
Excessive Drag in Turbocharger Rotating Members Carbon build-up behind turbine wheel caused by combustion deposits Dirt build-up behind compressor wheel caused by air intake leaks Bearing seizure or dirty or worn bear- ings, caused by excessive temperature, unbalanced wheel, dirty oil, oil starva- tion, or insufficient lubrication Inspect, clean. Inspect, clean. See your authorized dealer.