Thread: OOPS! Dex III instead of Dex VI ???

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rossscrappy OOPS! Dex III instead of Dex... 11-17-2009, 03:20 PM
Zef_66 Re: OOPS! Dex III instead of... 11-17-2009, 03:47 PM
chantspel Re: OOPS! Dex III instead of... 11-17-2009, 03:50 PM
Zef_66 Re: OOPS! Dex III instead of... 11-17-2009, 03:51 PM
rossscrappy Re: OOPS! Dex III instead of... 11-17-2009, 03:56 PM
Zef_66 Re: OOPS! Dex III instead of... 11-17-2009, 04:52 PM
matt5112 Re: OOPS! Dex III instead of... 11-17-2009, 05:09 PM
Zef_66 Re: OOPS! Dex III instead of... 11-18-2009, 11:16 AM
matt5112 Re: OOPS! Dex III instead of... 11-17-2009, 04:16 PM
SnowDrift Re: OOPS! Dex III instead of... 11-18-2009, 12:18 PM
matt5112 Re: OOPS! Dex III instead of... 11-18-2009, 12:30 PM
BillBoost37 Re: OOPS! Dex III instead of... 11-18-2009, 01:10 PM
DanGTP Re: OOPS! Dex III instead of... 11-18-2009, 01:41 PM
matt5112 Re: OOPS! Dex III instead of... 11-18-2009, 01:51 PM
Zef_66 Re: OOPS! Dex III instead of... 11-18-2009, 02:24 PM
SnowDrift Re: OOPS! Dex III instead of... 11-18-2009, 02:45 PM
SnowDrift Re: OOPS! Dex III instead of... 11-18-2009, 02:54 PM
matt5112 Re: OOPS! Dex III instead of... 11-18-2009, 02:59 PM
DanGTP Re: OOPS! Dex III instead of... 11-17-2009, 04:37 PM
TorqueAutoMotiv Re: OOPS! Dex III instead of... 11-17-2009, 04:38 PM
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  1. #1 OOPS! Dex III instead of Dex VI ??? 
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    what are the consiquences of mixing dex III in the tranny with dex VI?

    Stupid mexican at Vatozone told me to run the dex merc in my tranny when i did my filter and after looking online it says it calls for dex VI? is this true and did i mess anythign up by doing this?
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  2. #2 Re: OOPS! Dex III instead of Dex VI ??? 
    GXP Level Member Zef_66's Avatar
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    Wait, what exactly did you run? Dex III, Dex VI, or Mercron?

    Dexron is a GM spec fluid. The old spec is Dexron III. This was replaced a few years ago with Dexron VI. All GM transmissions old and new can run Dexron VI fluid. And they should as that fluid is much better than Dexron III.

    Mercron spec fluid is not a GM approved fluid and is not recommended in GM transmissions.
    2001 GSE
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  3. #3 Re: OOPS! Dex III instead of Dex VI ??? 
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    So does Dex III mix with Dex VI?
    98 GT stock
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  4. #4 Re: OOPS! Dex III instead of Dex VI ??? 
    GXP Level Member Zef_66's Avatar
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    Quote Originally Posted by chantspel View Post
    So does Dex III mix with Dex VI?
    Yes. You can mix the two.
    2001 GSE
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  5. #5 Re: OOPS! Dex III instead of Dex VI ??? 
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    crap i put in dexmerc even though it is not gm approved do you think it will harm anything? *EDIT* it says on the back that it is compatiblle with 98-2005 gm cars where dex III is required. sounds gm approved to me
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  6. #6 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by rossscrappy View Post
    crap i put in dexmerc even though it is not gm approved do you think it will harm anything? *EDIT* it says on the back that it is compatiblle with 98-2005 gm cars where dex III is required. sounds gm approved to me
    What you probably used was a Mercron Spec fluid. Meaning that it is an approved Mercron fluid. But it also is compatible with the Dex III fluid. But it might not meet all the specs. Fluid specs are kinda funny.

    But you will be fine. Just in the future stick to Dex VI fluid and don't listen to the guys trying to sell you parts behind the counter.
    2001 GSE
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  7. #7 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by Zef_66 View Post
    What you probably used was a Mercron Spec fluid. Meaning that it is an approved Mercron fluid. But it also is compatible with the Dex III fluid. But it might not meet all the specs. Fluid specs are kinda funny.

    But you will be fine. Just in the future stick to Dex VI fluid and don't listen to the guys trying to sell you parts behind the counter.
    Some you can trust. I'm the one who sends people to the dealership for fluids if we don't have the exact one that is designed for that app. In otherwords, we carry the "regular" green coolant, dexcool, powersteering for GM's and fords. Ford type F tranny fluid, ATF +4, Dex III, Dex VI and one other standard for Allision transmissions and the rest I won't reccommend. Straight to the dealer for the rest.

    Some could say, I'm don't really rep my store all that well, but my defense is, I don't like selling people sh*t or the wrong sh*t.
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  8. #8 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by matt5112 View Post
    Some could say, I'm don't really rep my store all that well, but my defense is, I don't like selling people sh*t or the wrong sh*t.
    I agree and am glad you are that way. But I have heard too many counter jockeys recommend the wrong stuff, or make recommendations that they shouldn't be without knowing a lot more information. A general rule (in most of life) is take everyone's advice with a grain of salt. Even my own. Do your own research and come up with your own conclusion. Do just take some random dude's opinion on it.
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  9. #9 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by Zef_66 View Post
    I agree and am glad you are that way. But I have heard too many counter jockeys recommend the wrong stuff, or make recommendations that they shouldn't be without knowing a lot more information. A general rule (in most of life) is take everyone's advice with a grain of salt. Even my own. Do your own research and come up with your own conclusion. Do just take some random dude's opinion on it.
    I can second that, a lot of the stuff I hear other employees saying tends to be complete BS.
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  10. #10 Re: OOPS! Dex III instead of Dex VI ??? 
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    Ford and GM have very similar fluids, (most likely the same) I know the Dex VI is similar to the new mercon they use in the new 6 speed auto fords because they're the same transmission.

    Hence people selling "Dex/merc" tranny fluid.
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  11. #11 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by matt5112 View Post
    Ford and GM have very similar fluids, (most likely the same) I know the Dex VI is similar to the new mercon they use in the new 6 speed auto fords because they're the same transmission.

    Hence people selling "Dex/merc" tranny fluid.
    Type FA is for Ford
    Dexron Mercon is GM - no matter the number

    Don't mix
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  12. #12 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by DanGTP View Post
    Dang! Wanna come down here and work at my store?
    Haha, paying more than $9.75 an hour? Soon to be $10.50 when minimum wage goes up in the spring.

    Quote Originally Posted by SnowDrift View Post
    Type FA is for Ford
    Dexron Mercon is GM - no matter the number

    Don't mix
    IRRC ford type F is more viscous to support the odd tranny setup ford used in the 70's and some 80's cars. You basically can't mix that with anything but itself.

    Ford has switched to Mercon since then.
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  13. #13 Re: OOPS! Dex III instead of Dex VI ??? 
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    The fluid you bought sounds like the container that says Dextron III/Mercron.

    Simply put that's the replacement fluid that meets the Dex III and Mercron specs.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  14. #14 Re: OOPS! Dex III instead of Dex VI ??? 
    GTX Level Member DanGTP's Avatar
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    Quote Originally Posted by matt5112 View Post
    Haha, paying more than $9.75 an hour? Soon to be $10.50 when minimum wage goes up in the spring.
    possibly...
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  15. #15 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by DanGTP View Post
    possibly...
    Consider it'd cost me 30 hours of wages just to get there.
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  16. #16 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by SnowDrift View Post
    Type FA is for Ford
    Dexron Mercon is GM - no matter the number

    Don't mix
    What? Dexron is a GM specification for their tranny fluid.

    Type F/FA is the old Ford tranny fluid specification.

    Mercon is the new (1987+) fluid specs for Ford tranny fluid. The newest being Mercon V.

    So no, Dexron does not equal Mercon. They are not the same. They can not always be used interchangeably. So please, please, please, don't offer wrong advice.
    2001 GSE
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  17. #17 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by Zef_66 View Post
    What? Dexron is a GM specification for their tranny fluid.

    Type F/FA is the old Ford tranny fluid specification.

    Mercon is the new (1987+) fluid specs for Ford tranny fluid. The newest being Mercon V.

    So no, Dexron does not equal Mercon. They are not the same. They can not always be used interchangeably. So please, please, please, don't offer wrong advice.
    I've never seen a bottle of Mercon or a bottle of Dexron, separately. The only thing I have ever seen is "Dexron/Mercon" followed by a roman numeral, depending on what the latest formula is and I've ran it in every transmission I've ever owned (all GM) up until I got my hands on a 4T60E, where I switched to Mobil 1. If it's available in some other way, then that's news to me. Type FA has been for fords as long as I have known. If there's something new, then that, too is news to me. I can't say I know a whole lot about the ford since I'm not on their team, so I won't debate you.

    Are you saying you can purchase a bottle of "Dexron" or a bottle of "Mercon" - either one you want? Maybe I misunderstand you. The last case of ATF I bought was Dexron/Mercon IV, I believe. I run it in my 4L80E and my 4T60E. My 4L60E gets Mobil 1 ATF only.
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  18. #18 Re: OOPS! Dex III instead of Dex VI ??? 
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    In a nutshell, Dex VI replaces Dex III, so using it in the original poster's tranny is fine. Here is some good information to help clarify if anyone is a "mixed team" guy. I happen to be an exclusive GM guy, so I'm in no need of a list like this, I suppose. (The list included jap cars, too, but I don't consider them useful in any capacity, so I omitted it)


    TRANSMISSION FLUIDS
    Over the years, there have been a confusing array of different ATF types and specifications. Make sure the replacement fluid meets or exceeds all OEM requirements. Using the wrong type of fluid may cause [COLOR=#0000ff !important][COLOR=#0000ff !important]transmission [COLOR=#0000ff !important]problems[/COLOR][/COLOR][/COLOR] and damage.
    Type F -- Introduced by Ford in 1967 for their automatics. Also used by Toyota.
    Type CJ -- Special fluid for Ford C6 transmissions. Similar to Dexron II. Must not be used in automatics that require Type F. Can be replaced with Mercon or Mercon V.
    Type H -- Another limited Ford spec that differs from both Dexron and Type F. Can be replaced with Mercon or Mercon V.
    Mercon -- Ford fluid introduced in 1987, very similar to Dexron II. Okay for all earlier Fords except those that require Type F. As of July 1, 2007, the production and licensing of Mercon ATF by Ford ends. Ford says applications that require Mercon ATF can now be serviced with Mercon V. See Ford TSB 06144 for more information.
    Mercon V -- Replaces Mercon. Introduced in 1997 for Ranger, Explorer V6 and Aerostar, and 1998 & up Windstar, Taurus/Sable and Continental. This is the current ATF for most late model Ford products. See Ford TSB 06144 for more information.
    Mercon SP -- Latest friction-modified ATF for Ford TorqShift Transmissions only. Do NOT use in transmissions that require Mercon or Mercon V. See Ford TSB 06144 for more information.
    Dexron -- General Motors original ATF for automatics.
    Dexron II -- Improved GM formula with better viscosity control and additional oxidation inhibitors. Can be used in place of Dexron.
    Dexron IIE -- GM fluid for electronic transmissions.
    Dexron III -- Replaces Dexron IIE and adds improved oxidation and corrosion control in GM electronic automatics.
    Dexron III (H) -- Improved version of Dexron III released in 2003.
    Dexron III/Saturn -- A special fluid spec for Saturns.
    Dexron-VI -- Introduced in 2006 for GM Hydra-Matic 6L80 6-speed rear-wheel-drive transmissions. Dexron VI now replaces Dexron III and II, and can be used in GM or import transmissions that formerly specified Dexron III or II.
    Chrysler 7176 -- For Chrysler FWD transaxles.
    Chrysler 7176D (ATF+2) -- Adds improved cold temperature flow and oxidation resistance. Introduced 1997.
    Chrysler 7176E (ATF+3) -- Adds improved shear stability and uses a higher quality base oil. Required for four-speed automatics (do NOT use Dexron or Mercon as a substitute).
    Chrysler ATF+4 (ATE) -- Introduced in 1998, ATF+4 is synthetic and replaces the previous ATF+3 fluid. Used primarily for 2000 and 2001 vehicles, it can also be used in earlier Chrysler transmissions (except 1999 and older minivans with 41TE/AE transmission). ATF+3 should continue to be used for 1999 and earlier minivans because of the potential for torque converter shudder during break in.
    NOTE:Chrysler ATF+4 Must always be used in vehicles that were originally filled with ATF+4. The red dye used in ATF+4 is not permanent. As the fluid ages it may become darker or appear brown in color. ATF+4 also has a unique odor that may change with age. Therefore, do not relay on the color and odor of ATF+4 to determine if the fluid needs to be changed. Follow the OEM recommended service interval.
    Chrysler ATF+5 for 2002 and newer models.
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  19. #19 Re: OOPS! Dex III instead of Dex VI ??? 
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    Quote Originally Posted by Zef_66 View Post
    What? Dexron is a GM specification for their tranny fluid.

    Type F/FA is the old Ford tranny fluid specification.

    Mercon is the new (1987+) fluid specs for Ford tranny fluid. The newest being Mercon V.

    So no, Dexron does not equal Mercon. They are not the same. They can not always be used interchangeably. So please, please, please, don't offer wrong advice.
    Why does Mobil of all companies sell one that does both and not one for each type?
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  20. #20 Re: OOPS! Dex III instead of Dex VI ??? 
    GTX Level Member DanGTP's Avatar
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    Quote Originally Posted by rossscrappy View Post
    Stupid mexican at Vatozone told me to run the dex merc in my tranny
    A lot of auto parts stores will sell you Dex/Merc generic fluid because the DexVI is nearly twice the price per quart, and that upsets the cheap-o's. When I have someone come in and ask for fluid on a newer GM car, I'll recommend the DexVI, but also show them the generic and let them choose. BTW, Wal-Mart sells DexVI cheaper than Autozone sells Dex/Merc generic.
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