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#3050176 - 06/30/13 10:18 AM Re: GM Dex-Cool, 134K miles, 04 Chevy Tahoe [Re: dhellman12]
dhellman12 Offline


Registered: 08/29/11
Posts: 171
Loc: arlington, tx
Not sure how the concentration ended up so high. We bought this one at 119K miles and had not touched the coolant until after this report.
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04Dmax 6.6L - Amsoil AME 15w40 156k
04Tahoe 5.3L - Amsoil ASL 5w30 162k

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#3050404 - 06/30/13 02:14 PM Re: GM Dex-Cool, 134K miles, 04 Chevy Tahoe [Re: dhellman12]
901Memphis Offline


Registered: 08/14/10
Posts: 3593
Loc: Northern Kentucky
Well then its doubtful its the FF Then. Someone probably did a drain and fill and used concentrate. Possibly they just replaced a bad overflow tank and filled it with concentrate.
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