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That time my neighbor swore by ATF in the brake system, what a mess
My neighbor Jerry, who's been wrenching since the 70s, told me to add a little automatic transmission fluid to my 74 Chevelle's brake fluid to soften up a stiff pedal. Said it was an old trick. I tried it last Saturday, and now my master cylinder is leaking like crazy and my seals are toast. Cost me $140 for a new one plus rebuild kit for the wheel cylinders. Should've just bled the system like I planned. Has anyone else heard this hack and actually had it work, or did I just get Jerry's worst advice yet?
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the_cora1mo ago
Did Jerry actually run ATF in his own brakes back in the day, or is this just something he heard from some guy at a swap meet? Because ATF eats rubber seals, that's kind of its thing. Curious if he ever had to rebuild his own master cylinder after that little trick.
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