1991 Mazda Protege brake fluid

1991 MAZDA PROTEGE
110,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
INGOLD1
  • MEMBER
  • 1 POST
will transmission fluid harm the brake system and how?
Apr 11, 2009 at 2:13 PM
Advertisement
Avatar
MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
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 7:28 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.