Citroen Relay - Water loss - shinto

Please Please HELP. Water loss, changed thermostat, new radiator, new water pump. Temp gage reading normal, then goes up to half way, then comes down to normal. When I look at coolant level,,,no coolant. If cyl head has gone the gauge should go sky-high. Is this the case? Or can you point me in the right direction to any other poss problem.

Citroen Relay - Water loss - shinto

Oh I'm sure it's not air locked also.

Citroen Relay - Water loss - BigJohnD

Get the cooling system pressure tested.

Citroen Relay - Water loss - Collos25

The temp gauge is not forced to rise it depends how the gasget has blown if the receiver unit is sat in air instead of hot water then it will read the air not the water,

If you cannot see a leak and the water is going it it can only be going up the exhaust pipe I suggest you have a sniffer test done.

Citroen Relay - Water loss - shinto

Thanks for the help, had press test all good. But this was done on a cold van. Thinking it must be the head, now I understand the temp is taken from the water. Looking like a new head, or short block. Oh the joy's of motoring. Just for info, what is a sniffer test, and how doe's it work. Every day's a school day.

Citroen Relay - Water loss - Avant

Moved to Technical.