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914World.com _ 914World Garage _ Help diagnosing braking problem

Posted by: boxster914 Oct 2 2020, 08:09 PM

My brake pedal is at the floor and the e-brake light comes on during braking.

I do have some stopping power but it is much diminished.

The rear half of the reservoir was dry so I filled it (the front half was at the line).

I pulled the carpet and noticed that the area around the pedal is very wet.

I looked under the car and noticed a wet area behind the master cylinder.

Should I replace the master cylinder?

If so, do you have a recommendation of where to buy it?

Posted by: mepstein Oct 2 2020, 08:22 PM

Yes, new MC and rubber lines. PMB Performance.

Posted by: 914Sixer Oct 2 2020, 08:50 PM

Light is on because the master cylinder has failed. New 17mm have been NLA for years. Pull your pedal assembly out and rebuild it too. Brake fluid ruins the plastic bearings and eats the paint off everything.

Posted by: bdstone914 Oct 2 2020, 09:01 PM

@http://www.914world.com/bbs2/index.php?showuser=24700
Can supply a ready to go oedal set if you choose to not rebuild it yourself.

Attached thumbnail(s)

Posted by: boxster914 Oct 2 2020, 09:02 PM

is the 914rubber 19mm unit good or is PMB superior in some way?

Posted by: boxster914 Oct 2 2020, 09:03 PM

how much for the new pedal set?

Posted by: bdstone914 Oct 3 2020, 09:45 AM

@http://www.914world.com/bbs2/index.php?showuser=24700

date='Oct 2 2020, 08:03 PM' post='2856237']
how much for the new pedal set?
[/quote]

$250 with your core

Posted by: mlindner Oct 3 2020, 10:56 AM

Thats a great price Bruce.