NP993

I searched for this high and low and couldn't find an answer to the question. When you install a new master cylinder, you bench bleed it. But in all the mentions of new slave installs, I haven't seen anyone mention this. I've got my engine and gearbox out so this will be very easy to do.

Put it in dry, or bench bleed?

matt777

I didn't bench bleed my slave when i put a new one in.

tigerrat

I've installed a few and never bench bled them. When I had my 88's engine out for clutch replacement I did hook up the slave and bleed it right before raising the engine completely up into the car. It gave me a chance to see if the clutch "felt" right too. And you know it's a bear to reach with the engine in place. Ken

race911

I've never bench bled any Porsches, from 356 and 911 single circuit, manual 911/914, vacuum assist 911, front engined 4 cylinder variants, 928, even a couple of 964s with both hydraulic and vacuum assist. (Never have needed to do one of the 993s.) Open to any criticism that I've been doing it wrong...................

Mike J

Never did this either...too messy for the advantage.

AOW162435

+1, four years ago and no issues to date. I flush the brake and clutch circuits every year.


Andreas

NP993

Thanks everyone. One less thing to do.