2008 nox not heating well - TerrainForum.net: GMC Terrain Forum
 
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post #1 of 5 (permalink) Old 01-20-2018, 04:49 PM Thread Starter
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2008 nox not heating well

temp gauge shows normal reading after reasonable warmup time. blows hot air by your feet as directed. after 25 min drive gauge is still up,but air is cold. like its getting too much outside air. having trouble finding service info on heating system
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post #2 of 5 (permalink) Old 01-21-2018, 07:15 AM
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Originally Posted by jeffa2440 View Post
temp gauge shows normal reading after reasonable warmup time. blows hot air by your feet as directed. after 25 min drive gauge is still up,but air is cold. like its getting too much outside air. having trouble finding service info on heating system

First, have compression check done to make sure you're not seeing the signs of a possibly eminent head gasket failure. If not, follow the steps I have posted here....




http://www.equinoxforum.net/29-1st-g...r-pockets.html


Hope this helps.


Starflare5.
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post #3 of 5 (permalink) Old 01-21-2018, 09:49 AM
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Originally Posted by Starflare5 View Post
On the step where you say to add coolant (or water) to the reservoir while watching for it to flow out the bleeder hole, should you also add something like, “ensure that you do not fill the reservoir beyond the HOT line?”

I can just see some people filling the tank all the way to the top ...

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post #4 of 5 (permalink) Old 01-21-2018, 03:04 PM
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Originally Posted by Colt Hero View Post
On the step where you say to add coolant (or water) to the reservoir while watching for it to flow out the bleeder hole, should you also add something like, “ensure that you do not fill the reservoir beyond the HOT line?”

I can just see some people filling the tank all the way to the top ...
Technically, for this, you can fill the tank to the top because you're going to be bleeding out some from the system anyway..... Otherwise, with a healthy coolant system, it will simply go out the overflow tube.
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post #5 of 5 (permalink) Old 01-15-2019, 05:17 PM
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Wife's 2008 is having this heating issue. Glad I found this article.
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