This is a discussion on Coolant Flush within the General Help forums, part of the LSx Technical Help Section category; I know we have magical DexCool bullshit in our cars. But, how long does this shit really last? At how ...
10-25-2007, 07:52 PM #1
I know we have magical DexCool bullshit in our cars. But, how long does this shit really last? At how many miles is it a good idea to change this crap out?
10-25-2007, 08:31 PM #2
i changed mine prolly 10k ago at around the 64k mark. i've seen it last easily over 100k miles but if you feel the urge, change it out
10-25-2007, 08:33 PM #3
I read somewhere i cant recall, its a good idea every 60k or 3years. Whichever comes first. It becomes a corrosive liquid once it breaks down. Like said above whatever floats your boat.
J2001 SS, Its not the car its the Driver that matters....
10-25-2007, 08:38 PM #4
do it every 30,000 miles at least
10-25-2007, 08:48 PM #5
I'll change it. Should I flush it with anything other than water?
10-25-2007, 09:07 PM #6
get it flushed with a proper flushing machine... not very expensive and it will do a way better job
10-26-2007, 04:04 AM #7
you can do it at home, i know gm makes some coolant flush so you could stop by the dealership and get you a bottle, i'm sure your local parts place has some to tho. how many miles are on it? you might also consider replacing the hoses. good luck
10-26-2007, 06:26 AM #8
10-26-2007, 08:41 AM #9
I water flushed mine at 100,000 k then used straight water, southern california.
10-26-2007, 08:52 AM #10
I think I 'm gonna drain it, run it on straight filtered water for a day or so, drain it, then fill it with DexCool.
10-27-2007, 07:59 AM #11
that will work, i have done that plenty of times before, the flushing fluid just dissolves the gunk in there where as the water can leave it in there. according to the gm stuff you put straight water in it then add the flush and let it run with the heater on for 30 minustes or so then your done.
10-27-2007, 09:22 AM #12
- Join Date
- Feb 2007
- 99 TA
i'd dump the dexcool,its total crap.Ask any dealer techs that work around it every day.
10-28-2007, 08:08 AM #13
10-28-2007, 08:21 AM #14
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