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11-11-2010, 11:17 AM
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#1 |
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Registered User
Join Date: Jan 2009
Location: conroe tx
Posts: 6
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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.
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11-12-2010, 04:33 AM
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#2 |
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Registered User
Join Date: Jan 2009
Location: conroe tx
Posts: 6
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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.
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11-15-2010, 09:10 AM
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#3 |
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72 GMC
Join Date: Feb 2008
Location: Wells, Maine
Posts: 534
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Re: changing the coolant
Sorry
I just paid someone to do it. But I am now Dex Cool free !!! |
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11-16-2010, 02:57 AM
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#4 |
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Registered User
 
Join Date: Nov 2007
Location: Turlock California 95380
Posts: 2,075
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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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