Transmission Identification

Hydra-Matic 4L80-E Transmission ID Location:

Automatic Transmission:
Hydra-Matic 4L80E (MT1)
The Hydra-Matic 4L80E is a fully automatic rear wheel drive electronically controlled transmission. It provides four forward ranges including overdrive.

Oil pressure is supplied by a gear type oil pump. Oil pressure is regulated by a force motor solenoid, and shift points are controlled by shift solenoids via PCM/TCM operation. The [1][2]torque converter clutch apply and release is controlled by a pulse width modulated solenoid.

Major Components:
^ Torque Converter - with converter clutch and dual stators
^ Front and Rear band assemblies
^ Forward, Intermediate, Direct, Fourth and Overdrive multiple disc clutches
^ Three planetary gear sets
^ Overdrive and Lo roller clutches
^ Intermediate sprag clutch
^ Control valve assembly with two electronic shift solenoids
^ Input and output speed sensors
^ Bolt on case extension

Manual Transmission:
The 1992 G Series Vans do not have a manual transmission option.