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ELECTRONICALLY CONTROLLED VARIABLE GEOMETRY TURBOCHARGER (VGT) 65 Cleaning and Inspection VGT Assembly WARNING: To prevent personal injury or death, wear safety glasses with side shields to NOTE: Do not use a caustic solution on the VGT and Clean the VGT assembly and bracket with a suitable Related Components 1. Rinse out inside of oil supply tube, if removed from 2. Clean VGT mounting bracket, exhaust piping, and Inspection NOTE: Replace VGT if blades are bent. Do not straighten bent wheel blades. 1. Inspect the compressor impeller and turbine NOTE: Compressor impeller and turbine wheel • High air inlet restriction allows oil to transfer from • Excessive oil consumption can result in turbine • Engine over fueling can cause excessive operating temperatures, which can melt aluminum Deposits on the turbine wheel indicate failure. • Oil from crankcase breather (mounted on top of Oil from the breather is normal for this engine. 2. Inspect the turbine and compressor housings for 3. Inspect oil drain and supply lines for kinking, |