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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 07-15-2009, 01:54 PM
rck0025 rck0025 is offline
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Default Engine Temp.

Was stuck in traffic the other day and noticed that the temp. gauge went past the 3/4 mark. Turned the a/c off and it went back down to the 3/4 mark. I've owned several "newer' vehicles and have not had this problem except when driving my step dad's 1970 Mercedes.
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Old 07-15-2009, 06:33 PM
Doc Olds Doc Olds is offline
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Default Re: Engine Temp.

3/4 mark means its 1/4 short of over heating.

We're not talking precision instrumentation here either. This same observation/question has been posted on all the Hummer related forums. Ain't no biggy. When its hot and you run the AC, its NORMAL.

There is a TSB on this, that basically says if your customer doesn't get it that when it is not in the red ther is no problem, check the guage cluster, and if it is a certain % off (showing a higher temp than actual) switch it out to a new one that reads lower. They do not bother with anything else because 3/4 is normal.
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Old 07-15-2009, 09:10 PM
rck0025 rck0025 is offline
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Default Re: Engine Temp.

Thanks doc!
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