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Supreme Cutlass
12-28-2005, 01:42 PM
I just dropped the pan and changed the filter, how much fluid does it need? a gallon?
1990lumina
12-28-2005, 01:47 PM
My Haynes Manual says 4.0 qts for the 3T40
This is the number for fluid and filter change
Prospeeder
12-28-2005, 01:52 PM
Should be in your Owners manual if you have it, look for specifications, it says one for Flush(or if its completly empty/new), and one for Just drain and refill
Supreme Cutlass
12-28-2005, 02:17 PM
Should be in your Owners manual if you have it, look for specifications, it says one for Flush(or if its completly empty/new), and one for Just drain and refill

I just have a dealership service manual, it states; "fill with the correct amount or dexron IIE"
94CutlassSLCoupe
12-28-2005, 04:29 PM
its in the owners manual...and always buy an extra quart because sometimes those guides aren't right.

I'm just kinda suprised that car has a 3t40 (aka th-125)
Supreme Cutlass
12-28-2005, 09:02 PM
its in the owners manual...and always buy an extra quart because sometimes those guides aren't right.

I'm just kinda suprised that car has a 3t40 (aka th-125)

I was too...
Prospeeder
12-28-2005, 09:28 PM
Dexron IIE? My manual states Dexron III and its a 90
Supreme Cutlass
12-28-2005, 09:31 PM
Dexron IIE? My manual states Dexron III and its a 90
...yeah
Prospeeder
12-28-2005, 09:44 PM
Dexron IIE? My manual states Dexron III and its a 90
...yeah
huh? I would expect a newer car to use a newer brand of trans fluid
Supreme Cutlass
12-28-2005, 10:04 PM
...would you like me to take a picture?
Prospeeder
12-28-2005, 10:07 PM
Oh Ic, whats so different about the E? The back of my Dexron II bottle says compatable with Dexron II, III-G and thats it, mabye it left some out, but it is special?
digitaloutsider
12-28-2005, 10:34 PM
For the last time, Dexron III and now VI has superceded all previous fluids. That's the only difference, it's newer.
94CutlassSLCoupe
12-29-2005, 10:23 AM
we always used the dexron III in my friends 3t40...since the new stuff is backwards compatible
NeonKnight
01-10-2006, 12:43 PM
i use Dexron III in my TH-125c POS transmission, 3 speed pos from hell! give it just enough throttle and it shifts. 2nd gear has crap for power and i feel the need to hit the gas more to make the car move, then it hits down to first and starts making the nice WHOMP! noise that my car does... poor 3.1 needs some more power