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Trans fluid?

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Old May 15, 2007 | 08:02 AM
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Default Trans fluid?

Is this stuff ok to use?



Need to get some for the shift kit install. Just wanting to make sure.
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Old May 15, 2007 | 08:23 AM
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Looks good. That's what our tranny requires, Dexron VI.
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Old May 15, 2007 | 10:53 AM
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Your 06 came with dexron III, but dexron VI will work. The 07's have dexron VI. You can use the VI if it came with III.
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Old May 15, 2007 | 12:01 PM
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What the hell is the difference, really? (seriously) It's the same damn tranny in the 05GXP through the '07 Imp/MC....???
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Old May 15, 2007 | 12:15 PM
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Now they can charge more for trans fluid.
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Old May 15, 2007 | 12:43 PM
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Ahhhh, i see....***kers!

In all seriousness, if someone with an 07SS or GXP, same tranny as the 05-06GXP, put III in there when it requires VI...would that void the warranty on the trans? Could that actually hold up in court should someone try to fight it by saying that they're the same transmission???
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Old May 15, 2007 | 01:04 PM
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Originally Posted by SILVER LS4
Your 06 came with dexron III, but dexron VI will work. The 07's have dexron VI. You can use the VI if it came with III.

Don't know where you're getting this from, but my Owner's Manual says we have Dexron VI.

FWIW, I was going to upgrade my trans fluid to Royal Purple, but didn't see it was a replacement for Dexron VI (it is for Dexron III), so I e-mailed them. They said it's not yet an authorized replacement for Dexron VI and they told me not to use it. Figured I could listen to them since they were trying NOT to sell me their product. $.02
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Old May 15, 2007 | 01:15 PM
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The higher numbers have always been backwards compatible with the lower, if it calls for VI, you can use VI, VII, VIII, etc. Just cannot go the other way. It will be approved in time
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Old May 16, 2007 | 06:20 AM
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I'm sorry, the 05's have dexron III, 06 and up has dexron VI. I did find out the VI is full synthetic and the III is not. The two should not be mixed but the VI can replace the III. The III can replace the VI if you want, but I wouldn't. Sorry for the hassle/confusion I may have created.
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