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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Mechanical - 2.8L (LWN) Diesel) >> Diagnostic Information and Procedures >> Compressor Air Intake Turbocharger Oil Leak From Compressor Seal

Compressor Air Intake Turbocharger Oil Leak From Compressor Seal

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Condition Action
NOTE:

Oil in the turbocharger air inlet duct, oil on the compressor wheel, and oil throughout the charge air cooler system is normal with a closed PCV system. Do not attempt repairs for this condition.
Restricted air system Inspect for clogged air filter element or restricted air inlet system.
Restricted exhaust system Inspect for a restricted exhaust.
Leaking exhaust system. Inspect for exhaust manifold leaks.
Poor oil drainage from turbocharger Inspect for restricted turbocharger oil drain pipe.
Restricted crankcase ventilation system Inspect for restricted crankcase ventilation system.
Worn internal engine components Inspect for excessive blowby or engine oil consumption.
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