| Subject: | Re: brake question |
| From: | Michael Snow |
| Date: | Thu, 19 Aug 2010 20:46:33 -0400 |
On Thu, Aug 19, 2010 at 8:29 PM, <mcneely4@cox.net> wrote: > Michael, what do you want me to document -- that there are differences in chemistry? I want to make it clear that DOT 4 brake fluids are backwards compatible with DOT 3 systems. Regardless of whether a brake system is filled with DOT 3 or DOT 4 brake fluid, DOT 4 fluid is safe and advisable for top-up, refill, flush/fill, etc. The fundamental difference is in the boiling point, not the basic chemistry. -- Michael Snow 1987 Syncro TiiCo 1982 Westfalia 1.9TD http://slowmachine82.blogspot.com/
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