Where To Buy Dot 3 Brake Fluid?

[daxilic]

Tommorrow I'm going to replace one of the front calipers and need to get more brake fluid to top it off after bleeding. I've never brought brake fluid before so I read in the handbook it says to get No. 116 SAEJ1703 DOT 3 FMVSS. I went to a few places around including Halfords and it seems DOT 3 isn't available anymore as DOT 4 is much better, so where can I get some? or can I just top it off with DOT 4?

Also a few months ago I got the other front caliper changed - a garage did it that time and charged me a fortune (hense why doing this one myself), maybe they bled the whole system and replaced the old fluid with DOT 4, is there a way to find out if its DOT 4 in the reservoir?

Thanks in advance :)

[MärkJ]

You can safely use DOT4 instead as this is what replaced DOT3. Think of it as an improved formula with a higher boiling point.

[dave1]

Also a few months ago I got the other front caliper changed - a garage did it that time and charged me a fortune (hense why doing this one myself), maybe they bled the whole system and replaced the old fluid with DOT 4, is there a way to find out if its DOT 4 in the reservoir?

Thanks in advance :)

Why not go back to the garage that did it and ask them......I'm sure they will know what they use!

[daxilic]

You can safely use DOT4 instead as this is what replaced DOT3. Think of it as an improved formula with a higher boiling point.

So it's OK to mix them?

Why not go back to the garage that did it and ask them......I'm sure they will know what they use!

I suppose I could although it was back in October, not sure they would remember lol

[E910]

Have a read of this http://www.lexusownersclub.co.uk/forum/index.php?showtopic=70461

[fil4362]

As a mechanic of over 20 years i can saftley say use dot 4 in your car and dont worry about it. Dot 3 and Dot 4 will mix without a problem. I am also pretty sure that the garage would have used dot 4 when they changed your last caliper. I personally dont remember the last time i saw dot 3 fluid. I restore old cars, morris minors, vw beetles all pre dot 4 fluid. they all would have been on dot 3 fromt he factory. they all use dot 4 now.