Coolant Flush - Diesel Truck Forum -
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post #1 of 3 (permalink) Old 04-09-2010, 11:30 AM Thread Starter
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Coolant Flush

I want to flush the coolant and put new in. Figured with 100K on it now it can't hurt. Should I use the DexCool that came OEM? What kind of procedure for flushing? I have never cared enough about a truck that made me want to take care of it, but I like this one and would like to see another 100K out of it!

2007 Chevy LBZ 6.6L Classic

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post #2 of 3 (permalink) Old 04-09-2010, 04:11 PM
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dex cool will be the only coolant I use.....I would just drain the block and the radiator and be done.

1995 f250 2wd PSD, auto, DIY intake, DIY exhaust, PHP tuned 40hp tune , Hybrids injectors 238cc..... 13.618 in the 1/4 at 6000lbs.

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post #3 of 3 (permalink) Old 04-12-2010, 12:48 PM
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I would just drain and refill. You won't get all of it. You can get just over 3 gallons out.

Let me know how you go about draining it... I had a tough time with mine. I searched everywhere for a drain valve and couldn't find one. Wound up pulling the lines off the over flow bottle to drain it.

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