DOT 3 and DOT 4 brake fuild mix???
Originally Posted by 5150DS
If the mechanic screwed up he should pay for the fluid and do the flush free since you already paid him to do it. If he doesn't I would start a thread naming the shop and the mechanic and warn others.
Screwed up how?
My bad, i was going off of others comments. I read up on it and it sounds like there is no problem with mixing them. I should have done this before I commented.
http://www.mattsauto.com/b1.htm
"DOT 3 and DOT 4 brake fluids can be mixed."
http://www.classictube.com/news.asp?PageID=2&news_id=17
"DOT 4 brake fluid, which can be mixed with DOT 3, raises the brake fluid's minimum boiling point to 446 degrees F."
http://www.mattsauto.com/b1.htm
"DOT 3 and DOT 4 brake fluids can be mixed."
http://www.classictube.com/news.asp?PageID=2&news_id=17
"DOT 4 brake fluid, which can be mixed with DOT 3, raises the brake fluid's minimum boiling point to 446 degrees F."
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BradMD_96
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Oct 6, 2015 09:31 AM





