Quote:
Originally Posted by TiAgX5
If I understand torque converter operation correctly (it is a viscous coupling, right?) wouldn't the viscosity of the fluid at operating temp control % of slippage? The friction mod pack would be to control bearing/band/drum slippage and wear.
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Yes, it’s a hydrokinetic coupling when ‘open’
Impeller
Turbine
but I’m referring to the lock-up clutch operation which locks the turbine to the impeller (or, at low engine speeds allows a small but controlled speed difference)
It uses just a single, but large diameter, friction plate (shown in red above) :
Phil