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Engine + Driveline / Re: New here. M42 Overheating
« on: June 10, 2014, 08:44:18 PM »
I had the same problem, and it turned out to be the thermostat. After you fill and bleed the system, check your radiator hoses. If either of them are still cool when the engine has warmed up, then it is your thermostat.
