Nowadays how often should the brake fluid be totally changed?
eg. a family car on average mileage & conditions
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Usual recommendation with most manufacturers is every 2 or 3 years, regardless of mileage.
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Nowadays how often should the brake fluid be totally changed?
"nowadays" is the key word in your question.
See this post by nortones2
www.honestjohn.co.uk/forum/post/index.htm?v=e&t=63...2
The study he links to : www.babcox.com/editorial/bf/bf50412.htm concludes
"... the task force adopted the following in regards to when to recommend brake fluid flushing and has incorporated them in to a Motorist Assurance Program's (MAP) Uniform Inspection and Communication Standards:
SUGGEST testing brake fluid at OE-recommended brake system inspection service intervals to insure copper content is below 200 ppm.
REQUIRE brake fluid replacement if copper content exceeds 200 ppm.
SUGGEST brake fluid replacement at vehicle-specific OE replacement intervals (if they exist). ..."
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