Normal engine temp? - Page 3 - Pontiac Solstice Forum
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post #31 of 40 (permalink) Old 04-16-2019, 04:53 PM
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Does the fan turn on?
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post #32 of 40 (permalink) Old 04-16-2019, 04:53 PM
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You need to burp the system, is probably air in it.
There is a thread by DDM that shows you how to do it.

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post #33 of 40 (permalink) Old 04-17-2019, 01:26 AM
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Here's the video that covers the proper method for filling the coolant system and getting the air out of it.


Also make sure your fan is turning on. I believe it is always on when the AC is running although it may be spinning slow enough that it's are hard to tell if it's on if it's not too hot out.
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post #34 of 40 (permalink) Old 04-17-2019, 08:09 AM
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You can try burping, but that sounds like a fan issue.

If it was always overheating, then cooling off you have an air bubble (or sticky t-stat.)

If it's always cool when moving but overheats when you stop moving it's your fan.

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post #35 of 40 (permalink) Old 04-17-2019, 09:49 PM
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Originally Posted by JohnWR View Post
Does the fan turn on?
John, it seems so, since the AC kicks in also when idle, and you can feel that something starts.... funny thing is that the AC kind of comes and goes on Idle or even when moving.

I'm taking it to shop tomorrow so they take a look.

thanks for the help
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post #36 of 40 (permalink) Old 04-26-2019, 05:19 PM
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Hi all

A semi-closed system running at 15 psi- an extremely common passenger car over-pressure- has a boil over temp of 247*F

It would shock me almost to a literal early death if cheapskate GM used a different psi rating.

My original '07 GXP ran from 200-215*F normally in the summer. My present '08 GXP just ran 195-204*F at 55* F outside temp in moderate stop and go traffic. No worries from my quarter.

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post #37 of 40 (permalink) Old 04-26-2019, 05:26 PM
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Quote:
Originally Posted by Rodrigo View Post
John, it seems so, since the AC kicks in also when idle, and you can feel that something starts.... funny thing is that the AC kind of comes and goes on Idle or even when moving.

I'm taking it to shop tomorrow so they take a look.

thanks for the help
@Rodrigo I am curious about whether you have had this checked out, and what was found.

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post #38 of 40 (permalink) Old 04-30-2019, 08:43 AM
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I solve this issue by not watching the engine temp.....


......my life is far more peaceful.
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post #39 of 40 (permalink) Old 04-30-2019, 02:22 PM
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Hello and thanks for the add,

I'm sporting an 08 GXP and it got up to 235 once (at idle) but mine was because my fan wasn't working. Once I replaced the fan module it now holds between 196 - 218 depending on my driving.
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post #40 of 40 (permalink) Old 05-01-2019, 11:10 AM
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Originally Posted by ChrisBlair View Post
My present '08 GXP just ran 195-204*F at 55* F outside temp in moderate stop and go traffic. No worries from my quarter.
This is just about where I run, 185 to 200, while most of the time it's at 189ish, almost regardless of ambient temps. But it does head north to 200ish when I head up the local toll road (a 6% grade) on my trip home from work.
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