2007 Montana sv6 no heat at idle

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charger69

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Hello new to the forum. we aquired a 07 Montana. the issue that has developed is that there is no heat at idle. As soon as you step on gas instant heat. Coolants good just wondering if anyone has dealt with this issue. thank you 3.9l v6
 
what does your temperature gauge read at idle, if too low your thermostat may be stuck in the open position
 
x2 check thermostat. also you said antifreeze level is good ? maybe air trapped in system ? anybody change the water pump or hoses latley ? or add any antifreeze ?
 
gauge is normal. comes up to operating temp normally and doesnt flux. no work has been done to this van besides oil changes and a couple bearings.
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have you ever flushed the system?
 
I have seen that dex cool 2 (orange)type antifreeze almost gel up , it gets thick. I saw it in my regal.
 
charger69 said:
Hello new to the forum. we aquired a 07 Montana. the issue that has developed is that there is no heat at idle. As soon as you step on gas instant heat. Coolants good just wondering if anyone has dealt with this issue. thank you 3.9l v6
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charger69,
Are you still experiencing this issue? If you are I would recommend that you contact your local GM dealer and have them look into this for you. They are in the best position to assist you in diagnosing this for you. Please keep me posted and if you have any questions please feel free to contact me anytime.
Thank you,
Stacy GM Customer Service
 
I would recommend saving your money unless you absolutely have to take it to a shop
 
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