GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Intrigue 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Intake Manifold Cleaning and Inspection

Intake Manifold Cleaning and Inspection Upper

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Object Number: 187043 Size: SH
  • Clean the upper intake manifold mating surfaces.
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  • Clean the upper intake manifold.
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  • Inspect the upper intake manifold for damage.
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  • Replace the upper intake manifold as necessary.

    • Intake Manifold Cleaning and Inspection Lower VIN K

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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.