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martinef1963 08-22-2018 06:31 AM

2000 Boxster Disappearing Brake Fluid?
Good day,

I have a 2000 Boxster that the brake fluid continues to disappear. There is no leak / puddle under the car, however, do notice that every now and then the brake pedal has to be pressed deeper to get the brakes to engage.

Can the brake fluid be filling up in the disk looking part that hooks up with the master cylinder? Is the area were the brake fluid reservoir a sealed compartment were the fluid is leaking and being contained?

Advanced thanks in the matter.

DMadigan 08-22-2018 01:44 PM

The disc looking thing is the vacuum booster and the most probable place the fluid is going if not outside. There is a vacuum line on the left (facing it). Take that off and put a pipe cleaner or something you can see fluid on down to the bottom of the booster to see if the fluid is there.

looneybin 08-22-2018 04:23 PM

Check under the carpet
The master cylinder may be leaking, and they tend to leak inside the firewall

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