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Re: 08, 5.3 thermostat issue
Quote:
Originally Posted by chuck's
Is it common for the thermostat to fail?? I believe that mine is not working properly. I can warm up the motor and feel the upper rad hose warm up. Temp gage will climb to just over the 100 degrees Celsius. I will feel the lower hose get hot and cooling fans on. Is it normal for the cooling fans to stay on after the lower hose feels cooler and the upper hose remain hot?? When installing new thermostat, does the thermostat slip into the groove in the o-ring and the tab on the o-ring sit in the groove cut in the housing?? Thanks for the help.
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When replacing the stat.
Always look and see how the old is installed.
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Remember proper testing gives us the answer to many problems.
MT
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