Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Need help with temperature gauge

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Old 08-25-2018, 01:28 PM
Temo's Avatar
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Join Date: Aug 2018
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Default Need help with temperature gauge

I replaced everything such as radiator,thermostat,water pump but yet it stays at 3/4 and sometimes when I drive on the freeway it goes down to normal temperatures 1/2
 
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Old 08-27-2018, 09:47 AM
Doc Olds's Avatar
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Location: Boat Town USA MI
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3/4 on the temp gauge is NORMAL. Th dash gauge is not an accurate instrument, it is meant to by like an idiot light with a needle.
To check the actual temp, put and OBD II scan reader on it and see what it says.
 
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