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Intake Manifold

Auto Systems and Repair

The intake manifold receives air from the throttle body and distributes it to the individual cylinders of the engine.

Symptoms of Wear or Failure

  • Coolant and/or engine oil leak
  • Check Engine Light may come on
  • Unstable engine idle

Related Repair Advice

  • In order to save weight, the intake manifold on many newer vehicles is made of a composite plastic material
  • Most fluid leaks from the intake manifold area can be repaired by replacing a failed gasket. However, in some cases, the intake manifold may also require replacement.
  • On some vehicles, there can be an upper and a lower intake manifold gasket. Fluid leaks will most commonly require replacement of the lower intake gasket.

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