Brakes Fail Randomly?

I have a 1986 Renault Master Van.My problem is my brakes.They work fine for most of the time, but occasionally when I've be driving for about an hour,the pedal go to the floor,(scary) I pump them a bit and they're fine again?All the pads and shoes are within good condition and I've recentley changed the fluid.I've notice that when this happens fluid overflows from the master cylinder filler sou`wester.Any ideas would be appreciated?

A/C blows HOT when I hurry up....



Answers:    Sounds similar to your master cylinder is going bad... I would only replace it if it were my vehicle... Hope this help...

Dual exhaust system for a 07 civic...


the master cylinder is failing and needs to be rebuild or replaced ASAP.

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