It sounds like I'm having the same problem you had with your sprite. I have
used dot 5 silicon brake fluid for 13 years and have had no problems, I
switched to Prestone dot 4 synthetic and have pumped 3 litres of brake
fluid thru the system with no luck. I have never had this happen before.
Bob what did you do to solve the problem?
I was thinking of replacing all rubber lines and seals and try dot 5 silicon
----- Original Message -----
From: "Kitterer Bob" <firstname.lastname@example.org>
To: "Spridgets" <email@example.com>
Sent: Friday, November 05, 2010 10:59 PM
Subject: Re: [Spridgets] M/C bleeding problem
> I have used silicon brake fluid for about 12 years. A little over a year
> ago I replaced all the seals in my brake and slave cylinders and could not
> get any pressure to hold. Then was told that there are no longer any
> seals for use with silicon. Do not know if you are having the same
> Bob Kitterer - witha brakeless bugeye.
> 1960 Austin Healey Sprite (Mk IV in disguise) - in storage
> 1966 Austin Healey Sprite Mk III (Trevor) - still in boxes - in storage
> On Nov 5, 2010, at 12:22 PM, Greg Higgins wrote:
>> I pulled the M/C from my 63 sprite MKII, it was weeping a little bit and
>> dripping onto the rubber floor mat. I took everything apart, put all new
>> rubber seals in then bench bled the M/C. I tried bleeding the system with
>> my 1
>> man bleeder, no luck. I had my wife pump the pedal, with seven pumps I
>> had a
>> hard pedal. Once she took her foot off the pedal, the pressure was gone.
>> I took everything apart again, I figured I may have pooched a rubber seal
>> I put the M/C back together. I installed another new rebuild kit, did
>> everything again as mentioned, I still have the same problem.
>> Anyone have any ideas? I have never had a problem bleeding the M/C with
>> car. The only thing different, I went from using synthetic dot 5 to
>> dot 4?
>> I was looking at the M/C diagram in my shop manual, it show a rubber
>> washer called a valve washer that goes into the bore first, mine has
>> never had
>> one and has always worked.
>> I'm going to try a 3rd time, will put the value washer in and see what
>> happens, failing that , I'll throw a match to the bastard.
>> Thanks for any info
>> Greg Higgins 63sprite
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