How to clean carbon deposits from ford intake manifolds

Written by brenda priddy
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How to clean carbon deposits from ford intake manifolds
(Thinkstock Images/Comstock/Getty Images)

One problem that can occur with Ford intake manifolds is a build-up of carbon deposits. These deposits develop from the fuel and contaminants that get inside the engine from the combustion process. The best way to clear these carbon deposits from the intake manifold is to remove it from the vehicle and clean it thoroughly. The procedure for cleaning a Ford intake manifold will take a few hours to complete.

Skill level:

Things you need

  • Screwdriver
  • Socket wrench
  • Dish soap
  • Ice pick
  • Long stiff-bristled wire brush
  • Shop rags
  • Shallow pan
  • Brake cleaner

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  1. 1

    Open the bonnet of your Ford vehicle to access the engine compartment. Locate the engine housing. You may have to remove the upper engine cover to access the manifold, between the engine and the fuel lines.

  2. 2

    Remove the screws or bolts, depending on the year-model of your Ford, that hold the intake manifold in place on the engine. Use a socket wrench or screwdriver to remove the six or eight bolts or screws. Set the hardware aside then disconnect the manifold from the engine.

  3. 3

    Soak the intake manifold overnight in a solution of soapy water.

  4. 4

    Use an ice pick and a stiff wire brush to clean out as much of the carbon deposits from inside the intake manifold as possible. You can also thread a shop rag down inside the manifold and twist it to help release some of the carbon from inside the tube.

  5. 5

    Fill a shallow container with brake cleaner. Soak the intake manifold overnight to loosen the smaller particles of carbon. Thread a shop rag through the manifold again and twist it to remove all traces of carbon from the manifold. Rinse the intake manifold with clear water to remove the brake cleaner before reinstalling it.

Tips and warnings

  • Always work in a well-ventilated area. If you are sensitive to chemicals, wear a respirator mask when working with the brake cleaner. Wear rubber gloves and safety goggles to protect your skin and eyes from exposure to the brake cleaner.

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