How to Repair a Broken Oil Dipstick

Written by james t wood Google
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How to Repair a Broken Oil Dipstick
A functioning dipstick is essential to the health of your engine. (timing belt image by Albert Lozano from

A broken dipstick will prevent you from being able to check the oil level on your car and could allow for contaminants to enter the oil system if the dipstick shaft is not sealed. Contaminants in your oil can cause excessive wear on engine parts or damage them. For the health of your engine, you need a working dipstick on your car.

Skill level:

Things you need

  • Telescoping magnetic tool and/or rare-earth magnet
  • Metal epoxy
  • Dish soap

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  1. 1

    Remove the broken end of the dipstick from the dipstick shaft. Extend the telescoping magnetic tool and slowly feed it into the dipstick shaft. When you feel the magnet grip the dipstick, gently and slowly begin lifting it out of the shaft. If you have access to the outside of the shaft, you may be able to use a rare-earth magnet (an extremely powerful magnet often found in hard disk drives) to slide the dipstick up and out of the shaft.

  2. 2

    Clean the dipstick with dish soap to remove any oil. Thoroughly dry it with towels and then let it air-dry until all the moisture is gone.

  3. 3

    Mix the components of your metal epoxy until they are ready. (Consult the directions that came with your epoxy.) In general, you will want to mix the two colours of material together until there is just one even colour throughout. Roll the epoxy out with your fingers until it is about 2 inches wide, then flatten the roll until you have a piece that is roughly 2 by 2 inches.

  4. 4

    Lay the pieces of dipstick in the middle of your epoxy and line up the broken edges so they are firmly together. It may help to tape or clamp one end in place on your workbench. Fold over one side of the epoxy so it is tight against the edges of the dipstick. Fold over the other side and press the seam together. Squeeze around the epoxy to work out any air bubbles. Let the epoxy cure for the full amount of time recommended by the manufacturer (often 48 hours).

  5. 5

    Sand the edges of the epoxy smooth to prevent it from catching in the dipstick tube. Wipe off any metal shavings from sanding and reinsert the dipstick into the shaft.

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