How to unscrew rusty nuts in a car

More often with such problems face owners of old cars. Doing such manipulations is difficult, especially if there is no skill and the right tool at hand as in this company:

For example, you need to repair the front suspension, and you even have the necessary spare parts for this. But when you get under the car, the work stops because of the thick layer of ingrained rust on the bolt threads.

It is possible to clean the nut face and the end of the threaded joint, treat the area with oil and use a socket wrench (to avoid tearing the nut faces) to try to loosen th

e connection. But only in rare cases these manipulations will lead to the expected effect. In the unfortunate case of twist or break the stud or stepladder or bolt.

What to do then?

Take baking soda and acetic acid. Arm yourself with a medical syringe, safety glasses, a wire brush, a socket wrench the size of the nut, and water. Then follow these steps:

Brush rust and dirt off the en

d of the threaded joint and the nut with a socket wrench. Ideally, the thread profile of the bolt should show.
Next, put on your glasses and pour acetic acid into a jar. From it, carefully fill a medical syringe. The goggles will protect your eyes from the harsh environment of the essence. Running water will help rinse your eyes if the acid gets into them.
Afterwards, wet the bolt and nut with essence and leave them alone for 20 minutes. After that time, repeat the procedure and leave it for 2 hours. After this time is up, wet the connection again and try using a ring spanner to remove the nut. It is important to twist the wrench in the right direction depending on the type of thread.
If the nut is loose, temporarily stop torquing it. In the resulting gap with a syringe inject a little essence. After 5 minutes, continue to twist it, turning it periodically in both directions. This way you will lubricate the rubbing surfaces and protect the threads.
After removing the nut, neutralize the acidic environment. Baking soda will help with this. Mix one tablespoon of baking soda with 200 grams of water. Dip the parts in the container with the solution. Acid neutralization is accompanied by a hiss, so the process is carried out until this sound disappears. In conclusion, it is worth rinsing the parts in clean water and wiping them dry. The grease will help protect them from corrosion.
This is how you can deal with the most neglected connection by your own efforts.

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