I finally decided to fix an annoying problem that I was having for a while when basically there is no brake assist when engine is cold. I know there were some other posts dealing with this issue but I thought that would be very helpful to write a detailed tutorial with pictures about how to diagnose...

First make sure you have a pump down there, it's down under the air filter box, and you should see the switch attached to the front of the box as well. Start by looking at the switch, the plastic cover does break and fall. If replacing it, test the pump as explained here below. If you have a pump, j...

Welcome. I'm working on replacing the booster seal 'in situ' this summer, so if you find this issue, I'll put a video with a DIY this summer