GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Grand Prix 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Lower Intake Manifold Cleaning and Inspection

Lower Intake Manifold Cleaning and Inspection L26


    Object Number: 187040 Size: SH
  1. Clean the lower intake manifold mating surfaces.
  2. Clean the lower intake manifold.
  3. Inspect the threaded holes for damage.
  4. Inspect the lower intake manifold for damage or nicks in the mating surfaces.
  5. Replace or repair the lower intake manifold as necessary.

Lower Intake Manifold Cleaning and Inspection L32


    Object Number: 187047 Size: SH
  1. Clean the lower intake manifold mating surfaces.
  2. Clean the lower intake manifold.
  3. Inspect the threaded holes for damage.
  4. Inspect the lower intake manifold for damage or nicks in the mating surfaces.
  5. Replace or repair the lower intake manifold as necessary.