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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1306 (Engine Controls And Fuel - 6.6L - Introduction (1 Of 2)) >> Repair Instructions >> Air Intake Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Turbocharger Vane Control Solenoid Valve & Electrical Connector
    GM1335540Courtesy of GENERAL MOTORS CORP.
  1. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) or Water Outlet Tube Replacement (LMM) .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    3. NOTE: It is not necessary to completely remove the PCV hose/pipe from the engine when removing the air intake pipe.
  3. Remove the positive crankcase ventilation (PCV) hose/pipe from the air intake pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  4. Disconnect the engine wiring harness electrical connector from the turbocharger control solenoid valve.
    5. Fig 2: View Of Engine Wiring Harness Clip
    GM1873380Courtesy of GENERAL MOTORS CORP.
  5. Remove the engine wiring harness clip (1) from the bracket on the turbocharger.
  6. Reposition the turbocharger control solenoid valve wiring harness extension out of the way.
    7. Fig 3: View Of Air Intake Pipe & Turbocharger Clamp
    GM1873381Courtesy of GENERAL MOTORS CORP.
    NOTE: The clamp for the air intake pipe uses reverse threads.
  7. Loosen the air intake pipe to turbocharger clamp (1).
  8. Remove the air intake pipe (2) from the turbocharger.
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