Despite new radiator and thermostat, my buick century is running near red line, Very hot.
I had a mechanic swap out the radiator again. (I had just changed it two months ago, but I think a leak developed in the new one. Three weeks ago I drove it 50 miles with no trouble. But on the way back I had to stop about five times to keep the motor from burning up. I just changed the radiator cap today too. But ... the shop that put on the new radiator tells me I should have also changed the thermostat again even though their test shows the stat is working. I am guessing the water pump may have failed, or perhaps coolant is disappearing inside the motor somehow though my mechanical kin see no evidence of that in the oil/
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