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From your wording I think that you are still having over heat problems. Thermostat is only part of the system. You also have to check that your radiator is flowing and not clogged up. Also a bad fan clutch can cause it to run hot. A bad water pump or even a slipping or worn water pump belt.. If you have electric fans make sure they are coming on when they are supposed to.

The cylinder head gasket is blown. I'll bet the radiator burps alot and you're adding water/antifreeze all the time too, howzabout steam from the exhaustpipe? Hope you didn't crack or warp your cylinder head; good luck!

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โˆ™ 2011-09-12 14:02:17
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Q: 1992 Isuzu trooper over heat-changed themostat-still a over heat no circulation from radiator no pass heatran truck with no thermostat water circulation visible pass heater blowing warmwhat gives?
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