The 1947 - Present Chevrolet & GMC Truck Message Board Network

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- The 07+ Chevy and GMC Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=201)

- - changing the coolant (https://67-72chevytrucks.com/vboard/showthread.php?t=430398)

pmpislander

11-11-2010 11:17 AM

changing the coolant

I have an 07 nb with the 4.8. Has anyone had to flush out there cooling system yet? I was looking for a drain cock on the radiator and didnt see one. I see on the drivers side where one should have been but there is a factory plug in that spot. I want to change out the dexcool before i have problems with it as im coming up out of my warranty. Any help would be appreciated.

pmpislander

11-12-2010 04:33 AM

Re: changing the coolant

comeon guys i know someone has to have replaced the coolant in their truck. i cant be the only one that wants to do it.

KEL	11-15-2010 09:10 AM

Re: changing the coolant

Sorry
I just paid someone to do it.
But I am now Dex Cool free !!!

sleepertruck72

11-16-2010 02:57 AM

Re: changing the coolant

Does the factory plug look like it is removable ? If not, I would remove the lower hose to the radiator and let it drain out. Also on my block there is a plug on the sides of the block to drain the engine. Mine is not a 2007 though, so I really cant say where it may be. I'm sure someone else will chime in.

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