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Bleedin' Brakes......
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Posted By : Stephen Abbott, 02-Apr-2006,
05:10pm
Hello fellow inmates,
I am about to bleed my brakes, starting from an almost dry system, I have changed to silicone fluid and renewed the master cyl seals (all wheel cyls and
caliper seals look fine) I have left some silicone fluid (Automec) in the master cylinder during the last few months. The flexi hoses have been replaced
with Goodridge braided hoses.
Is there anything you guys could tell me, from experience, I should look out for or any tips? I am going to use my trusted "rubber pipe with split in the
end" to do the bleeding procedure. This will be the first time I have done a complete system bleed.
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Posted By : Steve Cureton, 02-Apr-2006,
06:29pm
You will see all types of advice but probably the best is start at the wheel at the shortest pipe run (don't know which that is on a GT6) and work out
to the longest run. Then MY advice is keep going round them in turn until you are satisfied all air has been expelled. Steer clear of Eezi-bleed kits,
they're more trouble than they're worth, I personally believe the simple rubber pipe method is the most efficient but if you have someone to help then
so much the better. Have plenty of fluid to hand as you can't re-use anything that's been expelled until the air has dissipated, something that takes a
long time with oridinary brake fluid but I don't know about silicone.
I have seen a posting on this site suggesting that once you think you've expelled all the air you should wedge the pedal down as hard as possible and
leave it overnight as apparantly this will help release any remaining air - I've never tried this myself but you have nothing to lose.
One word of warning - I have read many times that you shouldn't re-use seals that have been used with ordinary brake fluid when changing to silicon due
to a chemical reaction destroying the seals. I have also seen reports that this is nonsense and they can be re-used, but my thought is why risk it for
the sake of a few extra pounds?
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Posted By : Stephen Abbott, 02-Apr-2006,
07:01pm
Thanks for that Steve, I had heard about the chemical reaction issue, it seems that this caused trouble with the early types of silicone fluid, but
not the modern stuff. I am going to use the rubber pipe (iv'e had it for about 20 years!) and my lovely wife will be working the pedal. I will try
wedging the pedal down overnight, results will be posted on here.
Cheers, Steve.
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Posted By : Van Hamlin,
02-Apr-2006, 09:14pm
I would recommend you treat yourself to a new pipe with a one way valve on the end, probably about £3-4 these days from any
motoring shop. Start with the longest run (probably rear right) and work round to shortest. You can then do the job on your own and I find I
only need to go round the car once.
Van