GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1820502  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement.

  3. Object Number: 1820433  Size: SH
  4. Disconnect the mass air flow (MAP) sensor connector.
  5. Remove the air cleaner assembly bolts.
  6. Remove the turbocharger inlet duct bolt and clamp.
  7. Remove the air cleaner assembly and turbocharger duct.
  8. Remove the charge air cooler inlet pipe bolts.
  9. Remove the charge air cooler inlet pipe.

  10. Object Number: 1822506  Size: SH
  11. Disconnect the PCV hose and clamp from the turbocharger inlet elbow.
  12. Remove the turbocharger inlet elbow.
  13. Remove the turbocharger outlet duct.
  14. Remove the charge air cooler inlet/outlet clamps and electric throttle control (ETC) side clamp.
  15. Remove the charge air cooler inlet/outlet hoses.

Installation Procedure


    Object Number: 1822506  Size: SH
  1. Install the charge air cooler inlet/outlet hoses.
  2. Install the turbocharger inlet elbow and outlet duct.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1820433  Size: SH
  4. Install the charge air cooler inlet pipe.
  5. Tighten
    Tighten the charge air cooler inlet pipe bolts to 8 N·m (70.8 lb in).

  6. Install the air cleaner assembly and the turbocharger inlet duct.
  7. Tighten

        • Tighten the air cleaner assembly bolts to 6 N·m (53  lb in)
        • Tighten the turbocharger inlet duct bolt to 3 N·m (26.6  lb in).