1991 Mazda Protege brake fluid

110,000 MILES • 4 CYL • FWD • AUTOMATIC
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INGOLD1
  • MEMBER
  • 1 POST
will transmission fluid harm the brake system and how?
Apr 11, 2009 at 7:13 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,
Yes it will, the brake rubber components are not at all compatible with the transmission fluid, they will start to swell and become soft and spongy, if you have added trans fluid to the brakes get it flushed ASAP.

Mark (mhpautos)
Apr 11, 2009 at 12:28 PM
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