Page 1 of 1
Old hydraulic fluid?
Posted: Thu Oct 04, 2012 7:03 pm
by Captain Jack
Hi,
Tomorrow, I'll be replacing one of my rear brake callipers. After this I'll need to bleed the system but I was wondering if I can use old but unused fluid to fill up the reservoir with? The plastic bottle that that fluid has been in is about 2 years old and the bottle has been opened before.
Any objections?
CJ
Re: Old hydraulic fluid?
Posted: Thu Oct 04, 2012 9:07 pm
by jasper5
Don't use it!
Brake fluid absorbs water, it will almost certainly be contaminated.
New fluid from a sealed container is required.
Re: Old hydraulic fluid?
Posted: Thu Oct 04, 2012 9:11 pm
by Captain Jack
Gotcha - thanks John!
Re: Old hydraulic fluid?
Posted: Fri Oct 05, 2012 12:42 pm
by Captain Jack
That was a pain. The nut securing the hydraulic tube just would not turn! First I rounded it off with a number 11 spanner, then I tried it with self-gripping spanner and that just rounded it off some more. Had to go to Homebase and get that pipe grip thing to finally free the nut.
The grinding noise was actually a completely stripped brake pad on the back of the disc. As the calliper is completely seized, only the piston pushed pad was actually doing anything. The pad on the front of the disc hardly had any wear.
Anyway, all replaced, brakes bled - seems OK and no noise any more.
Didn't feel like tackling the rear top links. Access to awkward and I lost some of my tools somewhere

Will get a garage to do that.