Tim,
Here's what I did years ago starting with DOT 3 fluid:
1. Drained the system.
2. Refilled with alcohol.
3. Drained alcohol and flushed with silicone (DOT 5).
4. Filled with silicone and bled.
Worked great ever since. Silicone fluid is expensive, and I probably put a
quart through the system after the alcohol. But, silicone is
non-hygroscopic -- won't absorb water -- so the chance of corroding brake
parts or wearing out rubber seals is minimized. I wouldn't consider
anything but silicone in a non-race car. Just my opinion.
Gary
----- Original Message -----
From: "Tim" <tputland@charter.net>
To: "datsun-roadsters: autox.team.net" <datsun-roadsters@autox.team.net>
Sent: Saturday, September 13, 2008 11:35 AM
Subject: [Roadsters] brake flushing
>I want to flush the brakes on my SRL. And I want to put the best
>recommended fluid back in. I do not know what fluid is currently in the
>brake system. I may be able to find out if I can find the phone number for
>the previous owner.
>
> My questions are these:
>
> What is the best way to completely flush the entire brake system?
>
> And
>
> Does it matter what fluid I put back in if I do not know what is currently
> in the system? I would hate to put in fresh and find out it is not
> compatible with any possible remnants of the old fluid.
>
> TIA from rainy southern WI.
>
> Tim
> Belleville, WI.
> '70 SPL AND SRL
> Still clueless but always learning
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