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I guess a newb question about trans fluid

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05grndprix

New member
ok first what comes stock in the 04+ tranny and then second if i want to change it to a diffrent fluid like Dexron VI( if that isnt the origanal fluid) what way should i go bout that
 


The 04+ cars should come with the Dex 6 fluid. Maybe someone could chime in about this. Or check your owners manual it will tell you there in the index what fluid then trans was filled with at the factory.
 
GM started using Dex VI in 2006 model year cars; before that, they used Dexron III. If you want to convert pre-06 cars to Dex VI completely, you would need to take your car to someone who can do a completely fluid exchange. Otherwise, you can drop the pan, which will get ~60% of the fluid out, and refill with Dex VI. After a couple of times you've got mostly Dex VI. I do a pan drop every 30K mi.
 
yet mixing dexron VI and dexron III is not going to hurt anything vause i figured id just drop the pan and i know you cant get the fluid out of the torque convertor by just droping the pan so i donno
 
Mixing them is fine. Right now my trans has about 1/3 Dex III and 2/3 Dex VI. After the next change it'll be about 1/9 Dex III and 8/9 Dex VI.
 


My trans become a much smoother operator. More firm shifts but without banging in to gear. It just feels better in several ways, even more so once I tweaked the trans settings.
 


It's not made anymore. You can pick them up used, but new price was like $400 so it'll still be expensive. HPTuners will also work but they're equally expensive.
 
ok how does hp tuners work with the credits like i use it tune my care that takes 2 credits now if i want to tune it again after i have other modifications does that take 2 more?????
 
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