GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Monte Carlo 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Lower Intake Manifold Cleaning and Inspection
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Object Number: 187040 Size: SH
  • Clean the lower intake manifold mating surfaces.
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  • Clean the lower intake manifold.
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  • Inspect the threaded holes for damage.
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  • Inspect the lower intake manifold for damage or nicks in the mating surfaces.
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  • Replace or repair the lower intake manifold as necessary.