GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Avoid breathing fumes and swallowing EGR exhaust deposits when removing components for cleaning as bodily injury may result.


    Object Number: 178489  Size: SH
  1. Remove the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  2. Remove the EGR pipe to intake manifold bolts.
  3. Remove the EGR pipe to exhaust manifold bolts.
  4. Remove the EGR pipe mounting bolts from the right cylinder head.
  5. Remove the EGR pipe.

Installation Procedure


    Object Number: 178489  Size: SH
  1. Install the EGR pipe.
  2. Install the EGR pipe to exhaust manifold bolts.
  3. Install the EGR pipe to intake manifold bolts.
  4. Install the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .