27-11-2021, 09:52 PM
It could be so many things but the most common culprit is rear main bearing rumble. They lose the interference fit between the crank journal and inner race bore or the rolling elements in the rear main have gone rusty due to crankcase condensation, creating an ideal mess for rapid wear. A clue might be as you say the oil/water mix in the sump.
You may need to remove the engine for closer investigation. The teaspoon-like noise could be the clutch thrust race. You will find all this out when engine is removed.
You may need to remove the engine for closer investigation. The teaspoon-like noise could be the clutch thrust race. You will find all this out when engine is removed.