1990 Volkswagen Golf Problems

what are the nipples on the master cylinder for; are they meant for bleeding any trapped air in the master cylinder itself?

replaced rear pads. sequentially bled at all four wheels. pedal travels to the floor. wondering whether air could have got in the system through the master cylinder. the master has two nipples, should I try bleeding at the master cylinder ...

hi all i was driving my golf this evening and the lights were a little dim as well as the interior lights and the stereo kept cutting out when my windscreen wipers were on or i put my main beam on??? does anyone have an idea what this co...

when the car is idalling the heating in the car works but when driving the temp goes down to cold and the temp gauge goes down to the bottom is it the thermo stat