mrobinson2

I have a version 4 type R.

When the car is running the dashboard shows the car is at normal temperature.

After a drive the water reservoir empties it's self. This is weird as there is no leaks. Also when I touch the radiator pipes, the top one is hot and the lower/bottom one is cold, which is very odd.

It's just had a new thermostat fitted, but this doesn't seem to have sorted it ?

Any ideas guys ?

Also there is no oil and water mixing, so don't think it's a dead engine.

blackvenom

You don't get oil and water mixed like you would in a "normal" engine. I had a head go on mine and had no mixing or overheating. I had the coolent system pressurise when the engine was under load, if you hold the top hose and rev the engine can you feel a build up of pressure. Drop on and get a quick sniffer test, won't take long, nice to cross that off the list and narrow it down, the water must be going somewhere

mrobinson2

yeah i have done the sniff test and all seems good.

Markfey

iTrader: (7)

Have you thought about running it from cold with the cap of to see if theres any big bubbles coming out?

alcazar

iTrader: (2)

Sounds as if it's airlocked.

The ONLY sure way to de-airlock it is to drain it and refill properly.

DO A SEARCH on here as to how to.

wrx fifer

iTrader: (34)

as above airlocks can be a total nightmare to get rid of sometimes, just done a coolant change myself and filled the system slowly from the header tank to turbo hose with a small funnel, takes a while but all seems good so far, also seen it done from the top radiator hose then pushed back on to block quickly then just topped up a little in header tank with no airlocks

alcazar

iTrader: (2)

That's the way to do it, remembering to have the heaters set to hot all the time.