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Turbocharger Lack of Oil Supply

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Condition Action
Restricted oil supply hose Inspect for restricted turbocharger oil supply hose.
Spun camshaft bearing
  1. Remove the oil supply hose. Refer to Turbocharger Oil Feed Pipe Replacement .
  2. Visually inspect for correct alignment of the camshaft bearing oil hole.
  3. Rotate the engine 1/2 turn and inspect the camshaft bearing oil hole for movement, indicating a spun camshaft bearing.
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