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April 1, 2013 Service bulletin

Isuzu/gmc/chevrolet: turbocharger inspection

Chevrolet technical service bulletin SB-IB09-J-002 for 2007-2009 Chevrolet C Series, 2007-2009 GMC C Series and 2007-2010 Isuzu N-Series and others.

Bulletin number
SB-IB09-J-002
Component
Engine and engine cooling: engine: other fuel types: turbo/supercharger
Summary
Isuzu/gmc/chevrolet: turbocharger inspection. A common occurrence of turbocharges being replaced for internal oil leaks. Results show that there is no fault with the turbocharger. The perceived oil leak actually may be a normal characteristic of the closed positive crankcase ventilation (pcv) system or some other unidentified condition.

Owners of these vehicles have filed 2 complaints in the engine category.

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