GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2028051  Size: SH
  1. Install a NEW turbocharger oil return pipe gasket (3).
  2. Install the turbocharger oil return pipe (1).
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the 2 turbocharger oil return pipe nuts (2) and tighten to  12 N·m (107 lb ft).