• @byjoshuawilliams find the fan thermostat switch on the radiator and bridge the wiring to see if the fan runs, then if that is OK make sure that part of the radiator is getting hot, thermostat opening/rad blocked etc. Fan switches are very common on VW's I used to fit loads of them when I worked at VW/Audi before my BMW days.

  • How long should I expect to run the car before the rad gets for? Ran out for 10 minutes or so on the drive and red didn't really feel hot. Found out mechanic had changed the radiator switch ( presume he means thermo switch) so I'm thinking read must be blocked. Fab and wiring is working

  • What did the guage read, and how hot was the rad by comparison?

    Trying to not change parts till you know for sure. What are your mechanic skills like?

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