geting warm

are they getting power and ground , do they work if you hot wire them ? Is it over heating ? Some of those little 4 cylinder motors take a long time to get warm , but the sensor is a good place to start

Thank you but if I connected the fan direct the bakie have no problems but if connected the back as normal it get hot and jerks and the water bottle cap blow out steam

thank you

The heat gages sty in the red when switch on the bakie on and sty where

See gage wire on intake manifold left almost at the head one wire touching engine move it away but still keep connected to sensor close wire with tape to prevent it from touching earth

well have remove the thermostat connected fan back to normal stil over heat and fan do not come on and start jurking when it is warm

Check fan switch located right side under coilpack

Have replaces with Opel part silt get warm and fan does not come on