GM Service Manual Online
For 1990-2009 cars only
  1. Remove the turbocharger drain pipe with gasket.
  2. Remove the turbocharger oil feed pipe.
  3. Remove the turbocharger assembly.
  4. Remove the front exhaust pipe.
  5. Remove the exhaust manifold nuts, bolts, washers and the spacers.
  6. Remove the exhaust manifold with the gasket.