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PVerspeek

Brake Fluid

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Guys, I have been replacing several parts of the front brakes on my 04 SS, and have to put new brake fluid in.  Under the hood, it says Dot3.  But I got Dot4 brake fluid...

Can I put in Dot4 without a problem, or do you advise Dot3 Brake fluid?

Thanks!

Pascal

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I'm not 100% but I'm pretty sure Dot4 brake fluid is backwards compatible for Dot3, just not the other way around. I believe it's just a better engineered fluid having a higher boiling point and longevity of life compared to Dot3. If there's not any specifics on the bottles, you could always call a GM dealer or two and see what they say.

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In order to change over you’d have to completely swap the fluid. Like use a Tech 2 programmer to push all of it out. Even if it is compatible make sure you change all that stuff out.

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