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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Engine Mechanical - 6.6L - Introduction) >> Diagnostic Information and Procedures >> Turbocharger Lack of Oil Supply

Turbocharger Lack of Oil Supply

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Turbocharger Lack of Oil Supply

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 Supply Hose 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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