is 120-130 degrees operating temp normal? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-23-2013, 08:26 PM   #1
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Default is 120-130 degrees operating temp normal?

hey guys. today i was riding around in about 5-10 degree temps with a good headwind. i noticed the car really wasnt blowing alot of air (automatic setting) so i jacked up the fan manually, and it was relatively cool. i dont wanna be the guy that complains when his house only gets down to 70 when its 110 outside, but is this normal behavior? maybe im just being picky but the car will usually kick on the heater at full speed after about 10-15 mins of idle when started cold. you can actually watch the cars temp gauge drop from over 1/4 down to the first or second hash mark after you have left a drive thru or something of the sort.

im thinking maybe the t-stat. any help/input is appreciated!
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Old 01-23-2013, 08:55 PM   #2
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Your thermostat is stuck open.
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Old 01-23-2013, 08:57 PM   #3
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thanks for the info... guess i have a project for the weekend.
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Old 01-23-2013, 09:00 PM   #4
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I'm with Dan. Yank that t-stat out.
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Old 01-23-2013, 09:02 PM   #5
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one question. will i have to burp the system when im done? i know some cars you do, some you dont. thanks again
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Old 01-23-2013, 09:13 PM   #6
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No, because you didn't drain from the engine or the bottom of the radiator.

It is MUCH easier if you shell out the extra few dollars for the self-venting t-stat. Just install, pour 50/50 into radiator and it works the air out all by itself. Best damn invention to the 3800 since sliced bread IMO.
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Old 01-23-2013, 09:20 PM   #7
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haha. you guys wouldn't happen to know of any store bought block heaters with a good reputation would you? the gf'* civic has a tiny engine and takes about 30 mins to fully warm up at idle. (suspected t-stat but its also dont cool down once its warmed up so who knows)
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Old 01-23-2013, 09:22 PM   #8
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Can't say as I do. Jcwhitney.com has them in stock. Universal fit of course.
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Old 01-23-2013, 10:14 PM   #9
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Gotta love the cute little 1.8'* they put in those cars. I've got a CRV so I can say that...
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Old 01-24-2013, 01:27 AM   #10
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hah i hate her 1.7. it sits 20 mins and its so cold its like it was never running.
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