99 Honda Odyssey had brake fluid flushed 4700 miles (27 months) ago. The mechanic claims that it is in serious need of replacing due to having 300+ copper parts per million (they were the ones who flushed it last time). If it does need to be replaced now, does that mean they likely did not do a good job last time? Is it expected to have to replace the brake fluid after less than 5K miles, given that it has been 27 months?
Update: the maintenance schedule says to replace the brake fluid every 36 months or 45K miles, whichever comes first. Coupled with other comments, it seems reasonable that I would have to change the brake fluid again.