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3t40 fluid level


Supreme Cutlass

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Posted

I just dropped the pan and changed the filter, how much fluid does it need? a gallon?

Posted

My Haynes Manual says 4.0 qts for the 3T40

This is the number for fluid and filter change

Posted

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

Posted
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"

Posted

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)

Posted
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...

Posted
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

Posted

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?

Posted

For the last time, Dexron III and now VI has superceded all previous fluids. That's the only difference, it's newer.

Posted

we always used the dexron III in my friends 3t40...since the new stuff is backwards compatible

  • 2 weeks later...
Posted

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

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