Once again DANGEROUS advice. It may boil. Causes air in the lines.
Then, in an instance, no brakes! One or two pumps, and you have brakes
agian. Check the temperature range of each......You'll see.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Mon, 21 Jun 1999, Coby Smolens wrote:

> No harm done. Far as I know you can use DOT3 in any VW through '91. The book
> say's although DOT 4 was installed in the factory, "it is completely
> compatible with the previous DOT 3 fluid"
>
> Coby Smolens, Owner
> Valley Wagonworks
> "Intimately acquainted with VW Vans since 1959"
> 1535 Sir Francis Drake Blvd.
> San Anselmo, CA 94960
> Phone: (415) 457-5628
> Fax: (415) 457-0967
> http//:wagonworks.com
> mailto:contact@wagonworks.com
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On Behalf
> Of L&A Johnson
> Sent: Monday, June 21, 1999 5:47 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: DOT3/DOT4 ?
>
>
> I messed up. I need to know if I did any harm.
>
> Yesterday was brake fluid day. I changed the brake fluid in our 1986
> Syncro Westfalia and our 1991 Toyota MR2 Turbo. I had a liter of DOT3
> and a liter of DOT4. I didn't look in the manuals and I should have. I
> assumed, incorrectly, that DOT4 would go in the MR2 where higher braking
> temperatures were likely and that DOT3 would go in the Syncro. I was
> wrong. I had it backwards.
>
> Now,  have I done any harm? Must I redo the job with the correct DOTs in
> the correct vehicles? If not, what are the consequences of leaving it
> this way?
>
> Any and all advice (and wise cracks) accepted.
> Larry
>