GM 4T80E transmission

4T80E

Used 1993-UP in Cadillac Allante, Seville STS and Eldorado and Olds Aurora with Northstar engine.

This is a computer controlled front wheel drive overdrive transmission.

It is VERY heavy.

Main case fitting (not channel plate) is the cooler return line.

Band adjustments:
Intermediate = not adjustable
Reverse = not adjustable

Gear Ratios:
2.96:1 1st gear
1.626:1 2nd gear
1.00:1 3rd gear
0.681:1 4th gear
2.13:1 reverse

Transmission

(click on picture to enlarge)

Pan gasket

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