I recently converted my 86 T Type to Hydroboost off an 84 GN. The booster is rebuilt and new hoses, everything else is the same. I did all the bleeding of the system, etc have awesome brakes and a good stiff pedal. The problem I am having is the fluid seems to return to the reservoir and "boil over". I mean it's not hot or anything but it does overflow the cap and run down the frame. There are also spots on the bottom of the hood where you can tell the fluid is hitting. I know when you press the brake hard you can hear what sounds like the pump start to whine, which it didn't do before. I do have the brass Tee tied into the return and when I first hooked it up I had it connected wrong and the resulting soft pedal with slow return, I corrected it and now the pedal is fine. I am wondering if there is something I missed, should there be a restrictor or something to slow down the return?
Hydroboost fluid overflow problem
- Thread starter olds443
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