Brake booster
A good indication of a bad booster is a very hard pedal with little or no assist.
If your pedal is spongy, the problem is not the booster.
I'd look into the master cylinder as a possible issue.
You may also have air in the ABS module, which requires a Tech II to bleed.
Last edited by Wesmanw02; Mar 1, 2010 at 10:47 PM.
Turned out to be worn front pads, which he had repeatedly assured me were like new.




