I'm all about not wasting but in this case you're potentially playing with you life man. Don't take the chance.. Dispose of the old stuff properly and shell out the $10 for a new bottle of brake fluid.
#1
I have a front brake job to do soon and I was going to flush the brake fluid. I have a bottle of ATE super blue DOT4 that is a few years old. I know brake fluid is hygroscopic but the container has been opened but sealed on the garage shelf. Should I use this fluid or toss it and get some at the local parts store?
#2
I'm all about not wasting but in this case you're potentially playing with you life man. Don't take the chance.. Dispose of the old stuff properly and shell out the $10 for a new bottle of brake fluid.
#3
#4
agreed throw it away.....but in all honesty.....liquid is nearly non compressible....meaning if you have some crappy fluid....yes the pedal will feel weird.....but no older fluid won't cause your brakes to spontaneously stop working.....if you are doing routine flushes, you're doing fine.