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captainshane

Luke warm heat at best........

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I have a 2001 Tahoe with 170,000 miles. I have notice (for sure on the way home today) that the heat is luke warm at best. Temp gauge is at the normal temp. The t-stat is original. Heater core hoses are the same temp (warm) but the upper radiator hose is hot and the lower hose is cold. This Tahoe does not have a radiator cap except the cap on the overflow tank (15 psi). Overflow tank has the proper level of antifreeze. So could it be a bad t-stat or core, or even something else.

ps. Temp control works because you can see the damper open and close properly.

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If the gauge is in the normal spot than the t-stat is working.

How does the coolant look? Like Mud?

I would start with backflushing the heater core. It may take several tries. If it starts to blow hot then definitely flush the entire cooling system

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Sounds like the fluid is not flowing through your heater core if those hoses are only warm. I'd agree with airjer

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Don't know about newer cars but some of the pickups I had in the 80's& 90's the temp lever that controled heat temp the cable that ran from it to the control lever on the fire wall(heater core) would slip so it was not opening the valve full way. One just has to readjusts the fitting on the end of the cable.

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The lower hose is cold?! You're not circulating your coolant..look for a bad heater control valve, or your water pump/impellar blades just went south....

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Well the only thing I came up with is the cap on the overflow tank was bad. Cap is 15 psi. Replaced cap. Heater works great. Core hoses are hot. Fluid levels are good. Lower hose is cool even after being on the hwy for an hour.

"its all good"

thanks

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Out of all the hoses the lower radiator hose should be the coolest. That hose is this supply to the block after the fluid has been cooled in the radiator.

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You are right Surface T. The lower hose should be cooler and for sure on a cold day. Not sure why I didn't have heat that day. Had heat on the way to the cities, didn't have heat on the way home. Was on the highway for 3 hrs round trip yesterday and had the fan on 1 and 2 out of 5 (high) and we were plenty warm. We will see what the future holds I guess.

Thanks for all the info,

Shane

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  • Your Responses - Share & Have Fun :)

    • Thanks for the info, I will give them a call.
    • The one thing I can think of that your son could have done differently is that maybe he should have got a name from the land owner and sought out the other hunter for a discussion before hand. The hunting woods are a much safer place when everyone hunting the area knows the whereabouts and plans of each other hunter in the woods.   That's not to say that the other 50 year old guy isn't being an unreasonable, entitled, first class a hole but part of this may be due to a misunderstanding if there was not a discussion prior to hunting season. 
    • I agree with you 100%. If it were me who had the permission to hunt I would approach things differently but when my son is involved I would back down and use it as a learning lesson. I would however tell the lady that your son is not going to be hunting her land and the exact reason why. If it were my land, I would want to know.
    • Horns make some otherwise normal people crazy. I'm not a horn hunter myself and that is one reason why.  
    • Dang what a shame not cool at all. I agree with leech. That’s more than enough acreage for more than one hunter to hunt. If he had the guts to go talk to the neighbor lady and she was fine with it then all is good. If this “kid” ( old guy) has an issue with it then he needs to grow up It’s not his land. Not many kids even hunt anymore so the fact that he wants to is great. Let him hunt some and if it continues to be an issue then maybe just tell him to pull the plug? I’m also dealing with some crazy neighbors right now that continue to feed. The CO has been out many times and they still do the same thing tickets have been given and there’s been some talking. I hate to “ tadle” on others but when people think they have rights that others shouldn’t have then that’s where a CO may come into play. Not saying you need to do this but if he comes barging to the door and demanding your son leave then maybe something needs to change and maybe he shouldn’t be allowed there. 
    • Leech- I thought about that same thing.  I do not know the guy or the family, so unsure of what the dynamic is there.    Thanks for the responses.  We are going to head over there this evening and talk with the lady. My plan is take it down either way.  If she says he can still hunt, and boot the other guy, or even let them both hunt i dont think if the experience is going to be anything we are looking forward to dealing with.  We have 10 acres at our house he's hunting too, and going to do some more knocking on doors.  I get being protective over his "spot". It just bothers me that he would be so unwilling to allow a 15 yr old to experience what he clearly loves to do.  Life will go on.  We will be in Montana in Oct, chasing elk and mule deer. He wont be missing out!  Those bucks are roaming the river bottom we live on, maybe the ultimate revenge will be having a chance to shoot one of them on our own land we are grooming for wildlife together.
    • Dang, I just moved Duff higher on the LIKE count!  😕
    • Beisswengers Hardware in New Brighton.  Top sales of Honda Gens and excellent service. Beisswengers
    • I would get a dlb ladder stand and sit with my kid as much as I could.  Don't let the dude bully you if you have the right to be there as well.  She may not know the age of this person if he had his kid go down there and get permission and he is really doing the hunting?  
    • He has permission from the landowner, let him hunt. If the 50 year old does anything to affect his hunt that is "hunter harassment" and he should be charged. 
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