How many quarts of trans fluid does it need? on 1991 Buick Regal

how many quarts of trans fluid does the 91' buick regal use.

2 answers
The quantity is different depending on whether you just drain from removing pan and filter or torque converter is also drained. Important to have CORRECT amount in trans before driving... check and recheck level first, see owners manual for checking procedure. It's a little tricky to get a clear reading on the dipstick.
If you have a 440-T4 or a 4T60 Auto Transaxle, your total ATF capacity is 8 quarts and your pan is only 6 quarts.

If you have a 4T60-E Auto Transaxle, your total capacity is 11 Quarts of ATF, but your pan capacity is 6 quarts.