Mapman

I took my car to a local garage to have a test done on the head gasket and relieved when told that it was not losing coolant from there. They did road test it several times and heard a rattle as well as the white smoke/steam and advised I take it to Lexus to have them look at it as no warning lights coming on.

Thanks for the replies. I have done the visual checks as advised and found the coolant level very low. Have looked as much as possible to see if any leaks but can't see any. I will top up and keep an eye on it daily. Engine oil is fine.

Hi, I was driving my rx450h quite happily along the motorway and when joining a slip road suddenly noticed a huge amount of white smoke coming from the rear of the car. It lasted approx 1 minute or so as slowed the car down worried what this could be ? Has anyone had a similar occurrence ? having looked through the Internet it could be anything from condensation ( although I had been driving for over an hour at that stage ) to head gasket to overheated brakes ? Not sure but worried none the less. Any help or advice welcome. Thanks