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stay with Dot 3 or upgrade to Dot 4/5?

Old Feb 19, 2020 | 02:08 PM
  #1  
hnijhar's Avatar
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Default stay with Dot 3 or upgrade to Dot 4/5?

going to be bleeding the brakes and putting in some new fluid, since i am draining all of it. should i stick with dot 3? or is it better to upgrade to dot 4? or dot 5 etc
what are you guys running?

thx
 
Old Feb 19, 2020 | 03:58 PM
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JOHNSEN'S2232Premium DOT 3

i can get this pretty cheap from rock auto so will prob go with this unless you guys recommend the delco fluid over aftermarket but what ive heard is all brake fluid is essentially the same!
 
Old Feb 19, 2020 | 04:04 PM
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Dot 3 is compatible with 4 and 5, difference is boiling point. Dot 5 will not absorb water so that's the biggest advantage. I don't think you can completely remove all the old fluid without having a Tech2 to bleed the anti lock but I'm guessing. When I upgraded my brake system I went with Dot 4 and just bled the snot out of the system.

Tim
 
Old Feb 19, 2020 | 04:24 PM
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DO NOT USE DOT 5! UPGRADE to DOT 4 or DOT 5.1

 

Last edited by hummerz; Feb 19, 2020 at 04:27 PM.
Old Feb 19, 2020 | 04:39 PM
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sounds good thanks!
 
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