The turbo coolant pump uses engine bay F21 if I remember right.
The main engine coolant pump is driven by a friction wheel mounted on the end of the engine. It is disengaged at cold start. When cooling is needed it is wedged between the pump friction wheel and the back of the accessory belt.
The main engine coolant pump is driven by a friction wheel mounted on the end of the engine. It is disengaged at cold start. When cooling is needed it is wedged between the pump friction wheel and the back of the accessory belt.