Re: brake fluid?
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Re: brake fluid?



Back when DOT 5 was first promoted in the old car hobby, besides the "won't ruin my paint" argument, people also noted 5's not absorbing water. To complicate things more there also now is DOT 5.1 which is very different than DOT 5. http://safebraking.com/what-is-dot-5-1-brake-fluid/ gives the rest of the story.

The "simpler is better" model means DOT 4 is fine. One tip I've shared here before was given to me by a long-time car guy. Once a year he pumped out most (not all) of the brake fluid in the old car's master cylinder and refilled it with fresh DOT 3 fluid, which was all that was available back then. He never had any problems with water in his car's brake lines causing rusty / leaky wheel cylinders.  

Thanks,
Gary H. 

>  -------Original Message-------
>  From: Herb  
>  Fred,
>  Your welcome!
>  
>  You hit on another problem with DOT-5, most company's & manufactures
>  will void any warranty if they even think you use DOT-5 unless they
>  fall under the rare few that use DOT-5. One other issue the DOT-5ers
>  tout is it won't harm your paint. Personally I just never pour brake
>  fluid on my paint.......problem resolved!!
>  
>  Essentially Dot-4 is as safe as DOT-3 to use in your car but has all
>  the positive attributes of DOT-5 that DOT-3 is lacking.
>  
>  Herb
>  
 
>  __
>  _-------Original Message-------_
 
>  
>  Hi Herb,
>  
>  Thank you for your response. I was advised by the company that I’m
>  getting new brake lines from to go with DOT-4 as well. I’m a little
>  cautious with older seals and such relative to making sure that newer
>  fluids will not end up damaging anything.
>  
>  Regards,
>  Fred
>  
>  FROM: Herb
>  SENT: Tuesday, June 02, 2015 9:22 AM
>  TO: 1962to1965mopars
>  SUBJECT: Re: brake fluid?
>  
>  DOT-4
>  
>  If DOT-5 was that great all the manufactures would be using it? ...

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