Q:

How do you clean a throttle body?

A:

Quick Answer

To clean a throttle body, disconnect the battery, remove the throttle's air tubes, scrub the throttle body with cleaning solution, reattach the air tubes and reconnect the battery. This 45-minute procedure requires gloves, safety goggles, throttle body cleaner, paper towels, cotton swabs, household lubricant, a flashlight, a toothbrush, a screwdriver and a wrench.

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Full Answer

  1. Locate the throttle body

    Park the vehicle outside in a dry location. Open the hood, prop it up and disconnect the battery's negative terminal. Locate the throttle body, which is located between the engine intake manifold and the air cleaner.

  2. Remove the air intake clamps

    Use a screwdriver or wrench to remove the clamps that connect the throttle body to the air intake tubes. The proper tool to use depends on the type of clamps in your vehicle. Set the clamps aside in a safe place.

  3. Remove the air ducts

    Carefully pull the air tubes away from the throttle body. Do not disturb or disconnect any nearby wires.

  4. Apply the throttle body cleaner

    Put on latex gloves and safety goggles. Spray throttle body cleaner into the throttle body, and scrub the metal with an old toothbrush. Spray more cleaner into the throttle body, scrub it again then wipe it with a paper towel. Check your progress with a flashlight, and clean the throttle body until no dirt, gum, grease or other grime remains.

  5. Lubricate the throttle shaft

    Dip a cotton swab in general household lubricant, and wipe it around the juncture of the throttle body and the throttle shaft.

  6. Reconnect the air tubes

    Reconnect the air tubes, and fasten their clamps. Close the vehicle hood.

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