Thanks great, new pump ordered. It is not working when the webasto fires up or when the ignition and fan is on so its appears its the culprit. The webasto was overheating. How are the hoses held on to  the pump? they seem clipped on. Is it a simple case of removing hoses and clipping on to new pump ...

Hi I am after a little help, I have a webasto with telestart. It  switches on and runs fine for a few minutes and then overheats. It seems the water pump is not working. I have had the PCB checked by french mike and all appears fine. Can anyone confirm the water pump should kick in immediately? and ...