Quote:
Originally Posted by Paul
Are you losing brake fluid (is the level is going down in the reservoir)?
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Perfect question!! Your booster will not leak into the MC. Your MC will leak into the booster.
I have not had this issue with my Boxster. I have had it with my 30+ year old Alfa Spider.
My symptom was slightly different. I would not have any power assist to my brakes when starting my car. After the car built vacuum, I did have boost. Eventually, over a few years. the problem got worse and I noticed low level of fluid in the MC. The leak got bad enough that I new I had to replace the MC. I also found to about where my fluid was going and I ended up replacing the brake booster at the same time.
Again, I would experience lack of power assist. My brakes did not lock up. Brake systems have not changed much over the years but your Boxster has ABS while my older car did not. ABS is suppose to keep brakes from locking up but I have no idea what their failure mode is.