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22/07/2025 8:35 am
Topic starter
Hey Scotty.
I got q 1973 mercedes 450slc automatic transmission with 73k miles.
Its overheating when idling.
I already replaced the waterpump, thermostat, coolant hoses that were corroded from the inside. I also used thermocure to remove all the rust in the system. I also switched the old liquid driven fan with an electric fan.
Its still overheating idling, but at highway speeds 55+mph it stays right around 175°f. Should i replace the radiator? Or what else could cause overheating? Thank you.
1 Answer
4
22/07/2025 5:58 pm
Check the radiator for clogs and that your electric fan is turning on when needed. Also see the troubleshooting section of the FAQ.
