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2016 xc60 Volvo Over Heating Issue
Greetings, My wife has a 2016 XC60 with a intermittent over heating issue. Drop the vehicle off at the radiator shop, and they replaced the oil cooler, water pump, and thermostat assembly. Also flush coolant system. Condition was not corrected. They were at a lost for a remedy, so they towed the vehicle to a Volvo Dealers. The dealer guess it was a cylinder head leak but, no oil was found in the coolant reservoir, and want $11k to continue. Well, we found another shop specializing in European autos. They said they could help. First they replace the oil cooler, then the water pump, and finally the thermostat asm. oh and vacuum purged the coolant system.
Well after replacing every part the previous tech did the vehicle stills over heats intermittently. I mean sometimes it over heats and sometime it doesn't. When it does over heat while driving it seam to go into some sort of limp mode declaring the temperature is to high in the message center, and slows the fuel feed to an idle. After turning off the vehicle and waiting 10 or so minutes, upon restarting the engine the temperature gauge reads normal. ( poorly design gauge) It will allow you to drive on.
I was thinking it was some faulty sensor, but no codes to point the direction. Does anyone have a suggestion on where to look?