2007 GXP Fan Running after turning off engine - Pontiac Solstice Forum
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post #1 of 6 (permalink) Old 04-25-2019, 06:52 AM Thread Starter
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2007 GXP Fan Running after turning off engine

Hi! I just bought a 2007 with 39,000 on it. I noticed that at times when I shut off the car that a fan is still running.
Should I be alarmed?
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post #2 of 6 (permalink) Old 04-25-2019, 11:32 AM
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post #3 of 6 (permalink) Old 04-25-2019, 12:00 PM
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You should not be worried about the fan running, it is supposed to if the engine is shut off running warmer than usual. I believe the temp is 220 where the fan runs full speed, and if you shut it off with the temp near 214 and up, it will run to cool the car down. Try to stay out of the Turbo the last few miles before shut down will help also.

Be sure the coolant is fresh, most likely has been changed, but if you don't know, it would be wise to flush and put new antifreeze in. If the color of the anti freeze is pink, I would suggest you just put new Delco fluid in. Mixing anti freeze can cause real problems. Most seem to change it to the green stuff. My mechanic will not use the Delco stuff for any reason, but GM has for years.

If your car is a Redline/GXP you are at the magical mileage for the water pump to fail. Check under the car on the passenger side, right at the back of the front tire. If you have water dripping from there, you are on your way to an exciting new water pump. Some never fail, but watch that area for as long as you have the car. They can cause real problems if they go. Not a cheap fix either way.

Most likely though, it is just the cooling system trying to cool the car down.
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Last edited by skersfan; 04-25-2019 at 12:02 PM.
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post #4 of 6 (permalink) Old 04-25-2019, 04:22 PM
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... happens to me once or twice a year on really hot days...

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post #5 of 6 (permalink) Old 04-25-2019, 07:32 PM
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I've only had it happen once. I was using AC that day. If it is running, chances are, as stated earlier, it's WP time or thermostat change. Your at the mileage and age for both....WP will run you about $1500 at the dealer, and thermo about $600 IMSMC. Neither can be done by a backyard mechanic that's only changed oil their entire life.... My thermo took me about 12 hours total.... And that's because I couldn't get the [email protected]&* hose clamp out of the way....and then 3 hours of refilling the coolant because mine was bit more stubborn then most. There are special fill instructions for coolant....so if you try to do it yourself. The turbo cars get an air bubble in the system that's a bear to get out....


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post #6 of 6 (permalink) Old 04-25-2019, 07:50 PM
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my sol cooling fan will run sometimes with the engine off in hot weather. My two nissans do the same thing. It is a normal function for most cars now. as already mentioned, check coolant level, look for coolant leaks, look for unusually high spikes in temps. If they are OK, not to worry.

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