Most recently answered cooling system questions

When I started my car a few days ago I noticed that the radiator fan was running, even on a frosty morning - is this correct? I now have a problem with the thermostat or cooling temp control. The temp...

I have a Peugeot 306 HDI Diesel. I changed the water pump yesterday as it was leaking water from the engine and that all seemed fine and then when the engine reached temperature water started leaking from...

which type of coolant do I require for a Sept 2009 Peugeot 207cc 1.6 VTI petrol engine?

My engine coolant light has been coming on. It does not come on every time I start my car it only does it when I use my car first thing in the morning and it goes off once I start driving. It only started...

I have a problem with my 306 1.8 litre petrol engine overheating. I replaced the water, added some coolant and checked the oil.
Then it did it again and I noticed a lot of water leaking out of the coolant...

Could you please tell me why the water keeps boiling in my MGZR 160? It doesn't do this when driveing only when stationary

I'm losing water from my expansion tank at high speeds, although around town I'm losing some, but not all?
There is nothing obvious - can you help?

You often tell people to let the engine run for a short time after stopping in order to let the turbo cool down. What is the efect of the automatic stop-start technology on engines with turbos, or is...

My 16 month old (from new) 17k miles Astra J 1.4 Turbo has started consuming coolant. The first time the warning "check coolant" came on I filled the header tank exactly to the max line, but it was all...