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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The brake cylinder is on the front right. It's way up in the engine compartment. I don't see how you could even add fluid to it as there is really no room above it. Underneath the master cylinder looks like the power steering. Under that is the windshield washer fluid tank. The washer fluid tank had a film of oily/water solution on it after my last trip. The fluid got on part of the frame of the motorhome and the black paint is starting to bubble. I have been told that brake fluid will do this to paint.
