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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.
_________________________
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: 5233
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.
_________________________
1999 Ford Taurus 145k (Vulcan v6) - Mobil 1 High Mileage 5w30 | FL400S
2002 Buick Century 102k - PU 5w30 / Fram Ultra XG 3980 / Filter mag

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#3373519 - 05/16/14 06:06 PM Re: GM Dex-Cool, 134K miles, 04 Chevy Tahoe [Re: dhellman12]
Kira Offline


Registered: 08/19/10
Posts: 1053
Loc: Champlain/Hudson Valley
Dex-Cool in a neglected 2003 Chevrolet S-10 (50K) 8K ago. Great shape
Dex-Cool in a "randomly topped off" 2005 Saab 9-5 (58K) 25K ago. Great shape
Dex-Cool in an "in service" 2002 Saab 9-3 (113K) 1K ago. Great shape
Dex-Cool in a "randomly topped off" 2002 Saab 9-5 (125K) 40K ago. Great shape

Cleanse as necessary. Rinse with distilled water. Use distilled water to dilute to spec (50%).
Dex-Cool is A-OK in my book. Kira

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