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Today, 05:41 PM | #1 |
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Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,959
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Re: '03 Tahoe Overheating
If the radiator isn't leaking at the plastic tank to aluminum core gaskets and you don't have coolant in the engine oil or transmission from leaking cooler loops I'd keep running it.
I've found the premixed Prestone Dexcool to be reasonably priced. It's 50:50 distilled water and Dexcool. You may want to remove the radiator and blow the sand, dirt, cottonwood cactus etc seeds, and bugs out of the fins on the radiator and the AC condenser and AUX transmission cooler with compressed air and hose water. This gives you easy access to the fan clutch too. I blow compressed air then hose water from the engine side of things to blow the crud back the way it came rather than try to force it the rest of the way through the fins. Having the radiator out will let you get a look at the ends of the tubes for calcium deposits from a previous owner that used tap water. That would be the only reason to replace it when it's not actively leaking.
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And please let us know if and how your repairs were successful. Last edited by hatzie; Today at 05:46 PM. |
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