Bulge in my...rad hose coolant temp is low..
#11
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At least in the later trucks, the ECU gets its temp info from the CTS in the intake manifold. I'm not sure what the one in the radiator does, some trucks don't have that. My '04 doesn't and my '03 is a complete '04 swap so neither does it. Not sure about the '02. It takes a while for the lower hose to get hot to the touch. If you just let it idle a few minutes and it didn't get hot then that's not a good test. If you drive it a round for a bit it should get hot. Could be a bad cluster/gauge too.
#13
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you still need to replace all the plastic and hoses in your cooling system. also, would recommend getting a way to read actual temps. The needle will show middle of the gauge from about 150-230 degrees before it moves up, and 230-240 is already too hot IMO.
#14
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thank you! Yes, hoses replaced and bleeder/thermostat also. But good idea re actual values…I’ll drive it with my scanner on and turn on live data….
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