Remanufactured Valve Body
  • Remanufactured Valve Body

  • Gm026_ts_web

    Torque Specs

Small_gm028 Small_gm026_ts_web

4L80-E, 4L85-E Remanufactured Valve Body ('97-'03)

 Part No. GM028

Torque Specs

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

Related Tech Articles

Valve Body Identification

Part Number Chart

Part Number
'91-'92 with Screw-In Temp Sensor
GM027 '92-'96 Temp Sensor in Wire Harness
GM028 '97-'03
GM029 '04-Later



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.

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

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Contact a Sonnax Distributor to purchase this part.