Thread: is this a normal heat level for the car? look at this

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  1. #1 is this a normal heat level for the car? look at this 
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    Attachment 10829

    this is after 20 minutes driving highway 60mph
    54f outside.
    fan is all the way on my feet.

    it seems like the car get hot to the quarter only when car is on idle for about 25 min.
    Grand Prix gt 1999 v6 3.8L coupe.
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  2. #2 Re: is this a normal heat level for the car? look at this 
    GrandPrix Junkie jteske88's Avatar
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    my gtp ran like that all the time, i figure the therm was incorrect.
    2005 GP GXP-cocor tuned-poly's-lots of sundown
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  3. #3 Re: is this a normal heat level for the car? look at this 
    SE Level Member Iceman83's Avatar
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    My '99 does the same thing. Has for 8 years.
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    GXP Level Member Kolton Lock's Avatar
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    During the summer my GT runs at almost 210 and during the winter just above the 180 mark. It's never had a problem
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  5. #5 Re: is this a normal heat level for the car? look at this 
    GTX Level Member Elite6's Avatar
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    195 t-stat? Try a swap. Better cool than hot imo.
    2005 E55 - stock
    1999 GTP 2dr - 9" HAI | Headers | 1.84's | 3.4 | Ported SC|
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  6. #6 Re: is this a normal heat level for the car? look at this 
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    Is this a faulty thermostat or just not getting hot.

    on the other side. The fan isn't hot enough like it suppose to be.
    Grand Prix gt 1999 v6 3.8L coupe.
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  7. #7 Re: is this a normal heat level for the car? look at this 
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    mines always at the 180 mark
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  8. #8 Re: is this a normal heat level for the car? look at this 
    GXP Level Member coolone's Avatar
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    Bad t-stat... Replaced it and see what happens. Cheap part n easy fix.
    Overkill BBC Cam, YT 1.8 RR's, Rhodes Lifters, STGII Heads, GenV, Pacesetters, 3" Exh to Tips, TEP Trans. N*, ID 75# injectors/E85 coming soon
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  9. #9 Re: is this a normal heat level for the car? look at this 
    GrandPrix Junkie dpzelenak's Avatar
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    thats were mine was at for years, but once i replaced the ect sensor it ****ed everything up and now it reads around 205-210 mark

    SMGPFC Member #10
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  10. #10 Re: is this a normal heat level for the car? look at this 
    GT Level Member Steven Monteith's Avatar
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    Bad T-stat. Had the same problem and it threw a SES light.
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  11. #11 Re: is this a normal heat level for the car? look at this 
    GT Level Member 1996pontiac's Avatar
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    Quote Originally Posted by dpzelenak View Post
    thats were mine was at for years, but once i replaced the ect sensor it ****ed everything up and now it reads around 205-210 mark
    What is the ECT sensor? Im going to change my t-stat and see what happends
    1999 Red Pontiac Grand Prix GTP/120xxx miles
    Mods- Intake
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  12. #12 Re: is this a normal heat level for the car? look at this 
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    Quote Originally Posted by Steven Monteith View Post
    Bad T-stat. Had the same problem and it threw a SES light.
    Ses light? Or srs. Cause I have srs light on for first 5 mins.

    Does it have any connection to this that they changed to green coolant before I bought the car that damaged the tstate?
    Grand Prix gt 1999 v6 3.8L coupe.
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  13. #13 Re: is this a normal heat level for the car? look at this 
    GrandPrix Junkie
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    Not likely, but could have air trapped in the cooling system if it wasn't bled properly. Would explain the low heat. Hopefully they flushed the entire system before changing to green.

    And SES is the same as CEL= check engine

    Your SRS light is supplemental restraint system (airbags). Might want to have that one looked into.
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  14. #14 Re: is this a normal heat level for the car? look at this 
    GrandPrix Junkie gtpeddie's Avatar
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    I have a 180* T-Stat and my car always runs around that mark, well maybe a little more but under the 1/4 mark for sure usually. But my temperature always fluctuates always did with the stock TStat and the 180*

    97 GTP DD, 1952 Ford F-1 Resto Project, 2006 Mustang GT "UnDeR CoNsTrUcTiOn", 02 GPGT SOLD!, 98 GTP Parted/Scraped
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