Originally Posted by chevy82
Vacuum source to the booster ok?
Yes, I performed this test a few minutes ago. While car is off, I pumped the pedal 4 times and on the 5th I held the pedal down. While the pedal was down, I started the car at which point the pedal went down all the way. After pumping the pedal a few more times with the car running, it became hard again like it was before the test.
Hope this helps...