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Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (3.6L Engine (Service Information)) >> Manifolds >> Manifold, Intake >> Diagnosis And Testing >> Intake Manifold Leaks

Intake Manifold Leaks

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

An intake manifold air leak is characterized by lower than normal manifold vacuum. Also, one or more cylinders may not be functioning.

WARNING:

Use extreme caution when the engine is operating. Do not stand in a direct line with the fan. Do not put your hands near the pulleys, belts or the fan. Do not wear loose clothing.

  1. Start the engine.
  2. Spray a small stream of water (using a spray bottle) at the suspected leak area.
  3. If the engine RPMs change, the area of the suspected leak has been found.
  4. Repair as required.
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