Cleaning And Inspection; Vgt Assembly; Related Components; Inspection - International VT 365 Service Manual

ELECTRONICALLY CONTROLLED VARIABLE GEOMETRY

Cleaning and Inspection

VGT Assembly

WARNING: To prevent personal injury or
death, wear safety glasses with side shields to
protect eyes. Limit compressed air pressure to
207 kPa (30 psi).
NOTE: Do not use a caustic solution on the VGT and

related components.

Clean the VGT assembly and bracket with a suitable
solvent and nylon brush. Dry with filtered compressed
air.
Related Components
1. Rinse out inside of oil supply tube, if removed from
the oil filter base.
2. Clean VGT mounting bracket, exhaust piping, and
oil drain pipe.

Inspection

NOTE: Replace VGT if blades are bent.
straighten bent wheel blades.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
TURBOCHARGER (VGT)
1. Inspect the compressor impeller and turbine
NOTE: Compressor impeller and turbine wheel
deposits can be caused by the following:
•
•
•
•
2. Inspect the turbine and compressor housings for
3. Inspect oil drain and supply lines for kinking,
Do not
EGES295-2
Follow all warnings, cautions, and notes.
© 2006 International Truck and Engine Corporation
wheel for blade erosion, bending, breakage or
deposits. Replace VGT if damaged.
High air inlet restriction allows oil to transfer from
the VGT center housing, resulting in oil deposits.
Excessive oil consumption can result in turbine
wheel carbon deposits.
Engine over fueling can cause excessive
operating temperatures, which can melt aluminum
parts. Deposits on the turbine wheel indicate
failure.
Oil from crankcase breather (mounted on top of
the left valve cover). Oil from the breather is
normal for this engine.
wheel rubbing. Replace the VGT if wheels rub.
clogging, restrictions, and deterioration. Discard
both sets of O-rings.
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