Restore Rubber With Brake Fluid

This piece connects a kawasaki carburetor to the airbox and one end was no longer flexible.

Restore rubber with brake fluid.

A test using brake fluid to restore old rubber parts having never tried this before i thought it would be interesting to see whether it does actually work so i decided to test it myself. Yes brake fluid works to restore rubber. However it is possible to restore a damaged rubber seal and extend its lifespan with proper care and maintenance. Grime dirt and other forms of debris are bad for the rubber and will eventually cause it to deteriorate.

Rubber has many uses. On my cb400f the original boots and rubbers around the intake box were getting old and stiff. Rubber car parts can also be soaked in clean power steering fluid since the purpose of the fluid is to maintain the rubber seals in the system. Wipe the seals with a clean soft cloth.

Brake fluid it has a rubber preservative in it. I want to clean them up the best i can and maybe restore some of the oils in the rubber that has been lost over the years. How to often rubber with brake fluid. The inside of the intake trumpets felt like plastic they didn t bent at all.

That said over time natural rubber will tend to dry out stiffen and crack. The vent in the master cylinder cap using cans of brake fluid that were left open master cylinders that are opened to the atmosphere for too long etc. I suspect the rubber is buna n started out as a 40 50 durometer in hardness now about 80 90 duro. Ok the test is over and this is what i found the method i took two rubber gromets from the fuel tank on my kawasaki that had aged and gone hard and brittle.

Isn t perfect but makes it more pliable so it can work. It is often cheaper and easier to replace the. Moisture enters the brake system in several ways. Water and moisture also penetrate rubber brake hoses through microscopic pores which are too small for fluid to leak out of but large enough.

It is water resistant flexible strong and elastic. James 07 11 2008 12 27 pm 11. I didn t want to risk cracking any of them so i put a light coat of brake. Works great and is cheep.