Brake Fluid??
Thread Starter
Melting Slicks
Joined: Nov 1999
Posts: 2,372
Likes: 227
From: N Cal
Brake Fluid??
I am in the process of putting Eradi Speed rotors and Z06 calipers on. My question is when I bleed the brakes should I use the dot 5.1 brake fluid I got with the brake kit or dot 3 like the owners manual says?????
Thanks.
Thanks.
Le Mans Master
Joined: Dec 1999
Posts: 8,540
Likes: 1
From: And on the fifth day, subpoenas were served to Obama senior staff
Re: Brake Fluid?? (l2vette)
DOT 5.1 is an extension (higher standard) of the DOT 4, 3 standard and should be fine. Just to confuse all of us, DOT 5.0 is not compatible and should never be used with anti-lock brakes.
What brand fluid was supplied?
Pete
What brand fluid was supplied?
Pete
Pro
Joined: Sep 1999
Posts: 555
Likes: 0
From: Las Vegas NV
Re: Brake Fluid?? (l2vette)
If you are going to run the car hard, I'd suggest you flush the fluid and usd Motul600. You can find it at most motorcycle shops. I had to upgrade to it after I boiled my brake fluid in a driving class.
Thread Starter
Melting Slicks
Joined: Nov 1999
Posts: 2,372
Likes: 227
From: N Cal
Re: Brake Fluid?? (PeteL)
The Fluid Supplied is Delphi Lockheed Brake & Clutch Fluid Dot 5.1 ABS. It comes in a yellow plastic bottle (500ml). Is o.k. to mix this with the stock brake fluid??
Instructor
Joined: Aug 2001
Posts: 211
Likes: 0
From: Midland MI
Re: Brake Fluid?? (l2vette)
DOT5 does not mix with DOT3 because it is silicone based and DOT3 is organic petrolium based. I believe DOT4 is a synthetic version of DOT3 and can be used interchangably on a DOT3 system.
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Le Mans Master
Joined: Dec 1999
Posts: 8,540
Likes: 1
From: And on the fifth day, subpoenas were served to Obama senior staff
Re: Brake Fluid?? (l2vette)
DOT5 does not mix with DOT3 because it is silicone based and DOT3 is organic petrolium based. I believe DOT4 is a synthetic version of DOT3 and can be used interchangably on a DOT3 system.
As to synthetic or non synthetic, there is no standard in the DOT specs, and I'm not sure what a synthetic or non-synthetic brake fluid would be.
Never use DOT5 in a vehicle with ABS brakes. DOT 5.1 is an extended spec of DOT3/4 fluid. As I said, this is very confusing and they never should have done this.
I don't know fluid that was supplied with the kit, did they provide specs? In general, 5.1 will exceed DOT4 specs.
Racer
Joined: Nov 2000
Posts: 366
Likes: 0
From: Antioch, CA
Re: Brake Fluid?? (PeteL)
MOTUL makes an excellent DOT 5.1. The dry boil point isn't quite as high as the 600 but it doesn't absorb water quite as easily. If you track the car you'll be changing fluid and bleeding often so go with the 600. If you are a normal street driver that likes to roast the barkes on occasion, but don't change the fluid every year or so, the 5.1 MOTUL will be an excellent choice.