Re: [DML] Re: Storage, changing fluids, etc.

["William F. Lane" <blane@xxxx>]

I have used Dot 5 since about 1982. I have not had any problems!

Bill Lane
vin 3635

"jtrealty@xxxx" wrote:

> The reason for the change of the brake fluid is that the origional
> fill was girling dot 3. It was assumed that that would also be the
> replacment fluid. Brake fluid is hygroscopic ie: it absorbs moisture
> from the air. If you don't regularly drive the car and heat up the
> fluid to drive out the moisture it will corrode the aluminum cylinder
> bores. If you go to Castrol "GTLMA" you can probobly go alot longer
> than 2 years but it is cheap insurance.
> The reason your master cylinder is failing is common. The flush
> washed out all of the crud that helped seal the corroded bore. It is
> very likely that you will wind up rebuilding all 4 calipers also. If
> you have a 5 speed don't forget the clutch fluid which is the same and
> subject to the same problems. Many people have gone to silicone or dot
> 5 but it isn't recommended for several reasons including, water won't
> mix with the silicone so if any is in the system it will eat up the
> cylinders.
> David Teitelbaum
> vin 10757
>
> --- In dmcnews@xxxxxxxxxxx, "Lynn Metz" <metzlynn@xxxx> wrote:
> > Group:
> >
> > I was just wondering why the owners manual suggests changing the
> brake fluid
> > so often and why so many list members emphasize this as well? Is
> this just
> > being extra careful or is it really needed. For example, my daily
> driver,
> > Firebird, has over 130,000 miles (12 years old)- brake fluid never
> changed -
> > never any problems. Now, I drained and replaced brake fluid this
> summer on
> > the DeLorean and now, about 300 miles later, the master is going
> out. I
> > assume the new fluid was too much for the old rubber in the master.
> (Or it
> > could be a coincidence)
> > Brian 16584
> >
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