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1948 Brake Fluid

Started by cadillac60, March 08, 2014, 08:24:30 PM

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cadillac60

March 08, 2014, 08:24:30 PM
The manual shows to use Delco Super No. 9,11 or 12.  I couldn't find the particular brake fluid they recommend is there a cross reference to to-days brake fluid that I should be using?  As usual I would appreciate help on this subject,

Bruce W
Bruce Watson

Alan Harris CLC#1513

#1
March 08, 2014, 09:37:22 PM
Todays' DOT 3 or DOT 4 is a suitable replacement. I think DOT 4 has a higher boiling point, which is not an issue for our cars.

Some people use DOT 5, which is silicon based, but that is a controversial subject.

On my two antiques, I use DOT 3, which I flush and replace every two or three years.
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