Quote:
Originally Posted by papasmurf
not describe them as clogged and I even poured water through them just to verify. I remember reading a week ago (when I was stranded) about someone taking their brake booster apart to find the inside rusted/corroded. Everything looks brand new in the car (120k miles) but I know the inside may tell a different story. For the past few years this car has been garaged pretty much anytime it is not being driven and the only water it sees is during washing. I have not driven it much over the past year as I had a fuel pump die and a mouse chew through the sensor wire for the fuel filler valve about a year ago. I see no evidence of chewed wires near the battery or booster thankfully. I did jack the car up just a moment ago on the driver side and both front and rear were not dragging though the front brake does seem to have a "slow" spot each time it turns but it is pretty slight compared to what it was last week. I am probably going to at least turn/replace the rotors pads if they are worn too much. Is there any test to do on the booster before just taking it out and taking it apart? It seems rebuilt units are a bit scare at the moment from searching.
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Your brake booster and the line or hose going to it need to be able to hold a vacuum.
There is most likely also a one way valve as well.
You should be able to test them in place with something like a Mighty Vac.