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22/07/2023 3:42 am
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Have watched your diagnostic video on overheating engines. I've ruled out everything. only overheats when ambient temperature is over 35C. When I switch off, coolant boils. It's a 2006 Nissan Patrol 4.8l 300k, automatic. Driving at speed helps but temp moves quickly when stationary. In winter, temp barely budges and not a problem, in summer it gets ridiculously high. Have replaced radiator, fan clutch and thermostat. It gets so hot it fries the wiring and resets all the electrics etc.
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22/07/2023 4:39 am
I would assume your head gasket is starting to blow. Try my video how to tell if your head gasket is blown
Thanks, have already ruled that out though!