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They lied. Posted by Saana88 [Email] ![]() ![]() ![]() In Reply to: DOT3 vs DOT4, Ken ![]() |
DOT 4 is the spec for your car, yes, because it has a higher boiling point and doesn't break down as quickly.
Check the bleeder screws on your car and see if they've actually been opened recently. If there's no spilled fluid around and two of them don't open, all your mechanic did was suck all the old fluid out of the reservoir with a turkey baster. Due to the odd shape of the ABS reservoir on 900s, that is very difficult to do and actually get all the fluid. DOT 5 is recommended against. I don't know why DOT 3 is still made, except for being cheaper. What your mechanic really said was, "I would rather make an extra five bucks than go out and get the right fluid for your car."
My cars: DOT 4 only, replaced every alternate year. Don't forget the clutch.
That being said, you'll probably be okay for now as long as you don't heat up the brakes too much (heavy braking, descending mountains or big hills) and have a stopwatch running to tick off your two years.
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