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- - '91 1500 Overheating (https://chevroletforum.com/forum/silverado-sierra-fullsize-pick-ups-21/91-1500-overheating-66370/)

Michael1006

June 29th, 2014 6:35 PM

'91 1500 Overheating

So my '91 1500 has been overheating. I just replaced the thermostat and flushed the radiator and that helped a good bit, but it didn't fix it. The thermostat is set for 195 and the truck will stay around there for 10-15 minutes, but it seems to just give up out of nowhere and will get up to 220 or so before I have to turn on the heat. Any ideas?

thzpcs

June 30th, 2014 12:59 AM

Is the radiator clean? They can get pretty gunked up and not allow any airflow through after a while

Michael1006

June 30th, 2014 11:22 AM

I'm not sure how clean it is. Was already leaning to buying another one, so I probably should

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