F53 brake master cylinder failure
The last couple of trips I have noticed that I had oily water under the front drivers side of my 2018 Miramar motorhome. The only time I didn't see a small puddle was when I didn't use the AC on one ...
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For me, my master cylinder failed 2 weeks ago. Internal leak, no fluid loss but pedal to floor with minimal braking action. This MC was the OEM and my moho is a 1997. Aside from working in a tight space, replacement was a breeze.
