Quote:
Originally Posted by captgadget
I drive 30 miles one way to and from work. When I got home the other night I grabbed the hoses and there was no way I could hold on to them for any amount of time. So what suggestions do you have for me now.
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I see one answer could be that your sender is out of calibration or the gauge in the dash is out if it's nondigital. You can live with it, or spend money tracking it down replacing parts.
The idea that Z28 added that the thermostat might not be closing fully and opening too early is one to consider. I was only thinking of thermostats stuck closed or stuck wide open. Is the motor slow to warm up.
It would be good if you can use an infrared gauge to read the thermostat housing temp to be sure the car is running at 190-195 after 10-15 minutes. Or tape a thermometer to the upper hose at the thermostat with something over it to insulate. See if it shows at least 180 and up after the car is run for those 30 miles.
I wonder if any of the auto parts box stores loan infra red thermometers like they do other repair tools?
Are you getting slow heat warmup like a thermostat that's not properly closing? Is the water in the upper hose starting to flow too quickly and getting warm after a few minutes on a cold motor? It should stay cold until the engine is up to the max and then it should heat quickly as hot water is released through it now that the motor is up to the thermostat's 190 setting. I would guess that at about 8-10 minutes of idling starting with a cold engine.