4L80-E, 4L85-E

Remanufactured Valve Body
Part No. GM028

’97–’03

Tech & Install Tips Find a Distributor

Valve Body to Case Torque Specs in Sequence: 97 in-lbs

4L80-E, 4L85-E ’97–’03 Torque Specs
  • 4L80-E, 4L85-E Remanufactured Valve Body GM028

GM 4L80-E Valve Body Identification

Part Number Chart

Part NumberDescription
GM026 (Warranty Only)'91-'92 with Screw-In Temp Sensor
GM027'92-'96 Temp Sensor in Wire Harness
GM028'97-'03
GM029'04-Later


Identification

'91-'96

Look for two small holes on the upper right side of the valve body. The holes do not appear on '97-later units.

The screw in the temperature sensor is only used in 1991. All later years use the temperature sensor located in the internal wiring harness.

'97-'03
The lube hole moved to the location
indicated by the arrow above.
'04-Later
Have a late-style EPC, which can be identified by the silver canister.