[T3] I want to change my brake fluid it's been a while? 73 SB

[William J]

 What concerns me a bit is the master cylinder is the one one this car since 
I got it in 85 . It has always worked and never gave me issues . Thought 
about rebuilding it yet there is the cost of a kit $25 from rock auto and 
then taking it out to do it.

 So far all I have done through the years is replace the pads once and the 
rear shoes twice since I tried to rebuild the rear wheel cylinders which 
were original and didn't have rust yet even light honing one managed to leak 
so I replaced both in 98 or 99 . I also replaced the front hoses around that 
time.

 Never had the caliper's apart they never stuck and always worked and the 
outer seals were not cracked . I've bleed it a few times but never drained 
it yet the fluid was not rusty yet I bleed it until clear fluid came out . 
Had help back then.

 I just never read the Bentley enough in the brake section to see the part 
about changing fluid every two years . I just hope I have not ruined 
anything by not doing so. I do have a solid pedal and always have so it 
seems like everything is ok . I don't see how replacing the fluid will make 
anything worse even though it seems like a job doing it by myself. Last 
month I replaced the tie rod ends because I had 2 1/2" of play and built my 
own tools to do the alignment and center the wheel parts alone cost me $85. 
Now I just spent $35 for pads and fluid and some hose. This may not seem 
much to many yet for me it makes a lot of difference .


----- Original Message ----- 
From: "Jim Adney" <jadney at VWType3.org>
To: <type3 at vwtype3.org>
Sent: Saturday, May 14, 2016 2:00 PM
Subject: Re: [T3] I want to change my brake fluid it's been a while? 73 SB


> On 14 May 2016 at 13:41, William J wrote:
>
>> Trouble is Mike the brake fluid is now over 12 years old.
>
> Brake fluid itself doesn't age, but, unless it is silicone, DoT-5, it
> absorbs water, which reduces the boiling point and makes it somewhat
> corrosive and rust promoting. VW originally recommended testing
> and/or replacing the brake fluid (the OE stuff was DoT-4) every 2
> years. Since I don't know of any way to actually test it, it's worth
> flushing and filling with dry brake fluid every few years.
>
> Unless you switch to DoT-5.
>
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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