Quote:
Originally Posted by ctrlz
Do the old and new parts measure identically, particularly diameter of piston?
EDIT: Just looking on ebay, all the pulls seem to include both the master cylinder and the booster as a unit. So, maybe you were not supposed to separate them. Sounds like you may have been battling threadlocker to remove the MC.
At any rate, Master cylinder/booster combo units go for about $100 on ebay (for gen6 ZL1)
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I also cannot get the old MC back on. It's the same issue as the new one.
When removing the old MC, when I removed it from the booster, I heard a click, definitely sounded like a spring. I tried pushing in the booster push rod and it will absolutely not move. The pedal is all the way back in the car.
EDIT: according to the manual I have, it does not say anything about having to replace both. It does say to pump the pedal before installing to remove vaccum, which I unfortunately forgot to do, but I removed the vacuum line with the booster.