Recent content by 1973Duster340V8

So I ran a couple of tests after I got home from work... I disconnected the vacuum hose from the booster and plugged up the vacuum hose leading to the engine so I wouldn't have a loss of vacuum from the engine. When I drove the car without the booster it worked fine. I had to press the brake...

I contacted Summit (who I bought the brake booster from) and they said that I might have a bad proportioning valve or I have air in the lines... We bled everything, so I'm almost certain there is no air in the lines.. Is there a way for me to make sure it is the valve before I order the part and...

Ok. Thanks so much. I will do that and see if it helps.

How would you recommend handling that?

We bench bled the Master Cylinder and bled each of the brakes... I'm not an experienced mechanic but I had someone over to help who is...

Hi All. I just replaced my Master Cylinder and Brake Booster in my 1973 Plymouth Duster. Everything seemed to go smoothly but I now when I tap on the brakes they compress to the floor immediately which causes the car to brake hard. I have to use my foot to lift the brake pedal back up so that I...