Tuesday, March 27, 2007 - 08:32 am, by: Will Adams(Draco)
Did my TT's front pads last night, and a full system flush. My friend and I were appalled by the amount of gunk that was sitting in my braking system. When we started to bleed the brakes, the liquid was literally a muddy brown colour with a fair bit of air coming out of the lines.
The front passenger side (and some of the driver's side) also had lots of air and plenty of gunk that was being pushed out of the old lines. Definately not good to look at.
Anyhow now flushed and she brakes brilliantly (compared to what it was) and has brand new fluid running through the system. Obviously the brakes in the car have not been done for a long, long time.
Tuesday, March 27, 2007 - 08:40 am, by: Peter Nitschke(Pen)
The air probably was leaking into the drain hose as you did the bleed. If you had that much air in the actual system, your brakes would have been non existent.
Wednesday, March 28, 2007 - 04:27 pm, by: Will Adams(Draco)
Daniel it brakes a heck of a lot better. Now when I brake it brakes. I had good meat left on the fronts but replaced them with OEM pads anyway. Might be an idea to actually flush the system out anyway, if you don't know how long it has been since it was last flushed.
Wednesday, March 28, 2007 - 06:02 pm, by: Brian Timms(Turbo_brian)
I will be running a flush on mine when I head to Brissie in a week or 2.
I am only flushing the system because the fluid should be almost clear, but is currently a nasty dark green, so I want to make sure it's got clean fluid.
Braking performance isn't at all shabby on my system, at one point I was able to lift a rear wheel while braking heavily in a corner, so it's not exactly shabby in that regards.
B.
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Wednesday, March 28, 2007 - 11:16 pm, by: Cihan Aday(Cihan)
I've been lucky with my brakes, did a flush a year ago and there was no gunk or crap buildup it just needed new fluid. I used DOT 4, Castrol Response in a silver bottle available at repco.
Thursday, March 29, 2007 - 05:44 am, by: Peter Nitschke(Pen)
To give you an idea, this is the brake fluid that we removed from a Soarer at a recent brake day. It has been sitting for a few weeks. Notice how the bottle has sucked in. I put this down to the fluid absorbing the moisture in the bottle as it was a humid day when we did the flush.
So I shook it up again to show what it actually looked like when we extracted it.
That was on 18/03/07 and this is how much it has settled in the 11 days since then.
As you can see, this is very fine sludge to have stayed suspended for 11 days during which time the bottle hasn't been touched.
So this is what may well be hiding in your brake system waiting to be stirred up just from eg pushing the pistons back in. We have seen this with a few Soarers now, one was only weeks after it had a professional full flush.
Thursday, March 29, 2007 - 08:33 am, by: Will Adams(Draco)
Mine pretty much came out the same colour as the second picture there Peter. Mind you I did change the pads as well and pushed the pistons back in (cleaned the hollows between the pistons as it had some dirt and stuff in there). I'm glad I flushed them finally. Scary that that is just hiding in one of the most important things of your car.
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