Hello i have 180,000 miles on toyotoe corolla and i need to replace the master cylinder and brakes I just had a master cylinder put on back in 2012 Why would it go bad so fast and need replaced Thank you Carolyn
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Maybe it was rebuilt
Does it take a lot of pressure or is it very sensitive
Could be a problem with the vacuum assist
Try another mechanic
Maybe it's not the master cylinder could be the calipers or brake tubing