My Yukon never overheated. I've owned it since new.
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Dex-Cool ate the intake gasket in my GMC Yukon. It also ate the oil cooler in my wife's Saturn V6. Both cars have green antifreeze in them now and have a lot more miles than when they ran with the orange junk. We'll be buying a new SUV next month and I'll be changing antifreeze but quick.
Dex had zero to do with your yukons intake gaskets failing. I can guess the plastic carrier cracked where the silicon seal was imprinted and caused it to shift. I have changed over 5 sets of these gaskets on different vehicles and it is usually the same thing everytime. Now and then you actually get a failure at the intake valve area and use oil like mad.
Go ahead and change the anti-freeze but it is my guess you will void the warranty on the cooling system.
Orange junk...No it is like perfom preventive maintenance. With the intake gaskets that was bad engineering on GM's part.
If Dex is so bad how do you explain the thousands of vehicles on the road with zero problems?
How do you explain the oil cooler on the Saturn? The plastic was not cracked. The silicone seal around the water port was worn away. I changed it myself. I've put 120,ooo more miles on the truck with that gasket in place and no more problem. I change coolant in both vehicles every fall.
I don't own a saturn but I would sure look for any TSB's to explain it and get it fixed. But it appears to me that you wanted it done for free out of the warranty cycle. You and me both know that happens rarely if ever.
But since you said the gasket was worn away how do you explain DEX doing it?
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Same internal construction and materials ? Good Pic BTW .
Do you know what that came off of ? ( I want to file under...? is why I'm asking ) .
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NYE ,
I don't know why I thought you had a Vue , my apologies for screwing up both year and model .![]()
Just to confirm : 2001 Saturn L300 4DR 3.1L V6 75, 000 miles @failure . Age at failure TBD .
Just in case , This is A/T right ?
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NYE ,
I don't know why I thought you had a Vue , my apologies for screwing up both year and model .![]()
Just to confirm : 2001 Saturn L300 4DR 3.1L V6 75, 000 miles @failure . Age at failure TBD .
Just in case , This is A/T right ?
Yes, you're exactly right. The car was approx. four years old at time of failure.