Question about antifreeze

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about20ninj45

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Is anyone constantly adding coolant to thier yukon denali? Im at 240k and i have to fill coolant every 4 days, im to the point where i dont even add coolnat anymore and the truck operates at normal temps...weird. I dont have any leaks so im assuming coolant is being burnt out the exhaust/oil. but the oil isnt milky and i dont have a sweet burning smell coming from my exhaust so no bad gaskets that i know of. Any suggestion?
 

ccapehartusarmyINF.(ret)

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okay how much coolant are you down every 4 days because if you low on coolant all the time you have a leak somewhere you need to test your cooling systems pressure it needs to be at least holding 15 psi if its not your vehicle will over heat as soon as you sit somehwere to long or it gets hot out see at regulaar outside atmospheric pressure coolant boils at the same temp as water 212 dagrees but at 15 psi it doesnt boil till 245 dagrees
 
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about20ninj45

about20ninj45

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okay how much coolant are you down every 4 days because if you low on coolant all the time you have a leak somewhere you need to test your cooling systems pressure it needs to be at least holding 15 psi if its not your vehicle will over heat as soon as you sit somehwere to long or it gets hot out see at regulaar outside atmospheric pressure coolant boils at the same temp as water 212 dagrees but at 15 psi it doesnt boil till 245 dagrees

how would i go about performing this test ?
 
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about20ninj45

about20ninj45

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ahh so its done by pressuring the radiator. Thanks, you guys are the ish lol. Iw will go pick one up today and report my findings...
 
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about20ninj45

about20ninj45

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don't get silly with high psi and crack open your endcaps.

roger that.... side note, does anyone know where i can get the connectors that go on the end of the trans cooling lines into the radiator? mine are loose and i think im losing trans fluid. temp keeps rising on trans to about 200. im assuming this to be the culprit
 

ezdaar

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there is a thread here detailing that exact topic and how to fix it.
search, bruh, search.

And if your going to pop those lines loose. take the opportunity to install a bigger trans cooler.
Read here for info and parts, just be smart and make sure it will bolt up. or use the pics to fab up your own.

Also install a external oil filter relocation kit. they are cheap and the oil filter does a much better job of keeping trans fluid clean. get some 90* fittings to clean up the install.
 
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about20ninj45

about20ninj45

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there is a thread here detailing that exact topic and how to fix it.
search, bruh, search.

And if your going to pop those lines loose. take the opportunity to install a bigger trans cooler.
Read here for info and parts, just be smart and make sure it will bolt up. or use the pics to fab up your own.

Also install a external oil filter relocation kit. they are cheap and the oil filter does a much better job of keeping trans fluid clean. get some 90* fittings to clean up the install.



I guess this is tha part where i tell you that i did search ...just not for that, i was searching for the coolant problems....;/ my apologies. and i losing coolant not trans fluid..well tech im losing both, just mor coolant that trans fluid
 

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