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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Air Intake Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement in Engine Mechanical - 6.6L (LLY).
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Remove the positive crankcase ventilation (PCV) hose/pipe. Refer to Crankcase Ventilation Hoses/Pipes Replacement in Engine Mechanical - 6.6L (LLY).
  4. Disconnect the turbocharger electrical connector. Lift the metal retainer, in order to disconnect.
  5. Remove the engine wire harness clamp bolt and reposition.
    6. IMPORTANT: The clamp for the air intake pipe uses reverse threads.
    Fig 1: Removing Turbocharger Air Intake Pipe
    GM1394901Courtesy of GENERAL MOTORS CORP.
  6. Loosen the air intake pipe to turbocharger clamp (1).
  7. Remove the air intake pipe (2) from the turbocharger.
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