Quote:
Originally Posted by Dukedesmo
Is the (slave cyl) end of the shaft not within the casting where the oil holes are but ends before the void that the holes feed? Enabling some of the oil to drop onto the pushrod which at that point is a reduced thickness to allow some oil to run along to the other side.
I thought it was but don't have an engine apart at the moment to check.
The 2 'O' rings on the slave end of the pushrod (thicker portion) then are in the outer part of the casting to stop oil from leaking back from there to the slave.
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The only way for lubricant to get into the centre of the shaft is via the ends. The slave cylinder end is open to atmosphere i.e. not sealed within the engine. If this was the route as you suggest, the lubricant would have to pass the two O rings to reach the needle bearing on the clutch end, furthermore the seal on the clutch end effectively forming a closed vessel making any oil flow almost impossible