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***Josh*** · 07-02-2011, 08:11 PM

Drain and refill is all that is really needed. Unless there is a bunch of gunk in it then I've used the Prestone stuff in the yellow can to flush the dexcool "mud" out of them before.

07-02-2011, 08:11 PM	#2
*Josh* He's got mean nasty FANGS! Join Date: Dec 1999 Location: Rockwell, NC Posts: 6,520	Re: What is the best rad flush for '05 Chevy? Drain and refill is all that is really needed. Unless there is a bunch of gunk in it then I've used the Prestone stuff in the yellow can to flush the dexcool "mud" out of them before. __________________ 2004 K2500 Burb 1999 C3500 1985 Cutlass Supreme 1969 C-10 1967 C-10 Panel josh@67-72chevytrucks.com