Realised that Boost Monster but can't see how bridging the actual switch would help, even if I
could get near it for the bl--dy swirl pot.
Rapidly beginning to think it's a mega air lock.
Wondering about draining, raising the front of the car and refilling at the top radiator hose.
Probably changed the coolant in this twice and twice in my last RS and never had any problems
before now.
Have a new water pump in the cupboard but the heaters are blowing hot air.
Doing my head in as it's starting and running nicely, just no fan.