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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1624 (Engine Exhaust System) >> Repair Instructions >> Turbocharger Exhaust Pipe Replacement (6.6L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission. Refer to Transmission Replacement .
    2. Fig 1: View Of Upper Heat Shield & Bolts
    GM1875237Courtesy of GENERAL MOTORS CORP.
  2. Remove the glow plug control module and both brackets. Refer to Glow Plug Control Module Replacement .
  3. Remove the exhaust gas recirculation (EGR) valve cooler. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
  4. Remove the turbocharger upper heat shield bolts and shield.
    5. Fig 2: View Of Turbocharger Clamp Bolt
    GM1875240Courtesy of GENERAL MOTORS CORP.
  5. Loosen the turbocharger exhaust pipe to turbocharger clamp bolt (1).
  6. Remover the catalytic converter. Refer to Catalytic Converter Replacement (LY6 with Exhaust Flange)  or Catalytic Converter Replacement (L9H with Exhaust Flange)  or Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)  or Catalytic Converter Replacement (LFA with Exhaust Clamp)  or Catalytic Converter Replacement (LMM) .
    7. Fig 3: View Of Fill Tube To Bellhousing Nuts
    GM702776Courtesy of GENERAL MOTORS CORP.
  7. Perform the following steps working through the wheelhouse opening, Remove the transmission fluid fill tube to bellhousing nuts.
  8. Position the transmission fluid fill tube to the right side of the vehicle. The tube does not require removal from the transmission.
    9. Fig 4: View Of Turbocharger Exhaust Pipe Heat Shield & Bolts
    GM1875243Courtesy of GENERAL MOTORS CORP.
  9. Remove the turbocharger exhaust pipe heat shield bolts and shield.
    10. Fig 5: View Of Turbocharger Exhaust Pipe Bracket Bolt
    GM1875245Courtesy of GENERAL MOTORS CORP.
  10. Remove the turbocharger exhaust pipe to bracket bolt (1).
  11. Remove the turbocharger exhaust pipe.
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