Removal Procedure
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Remove the transmission fluid filter (4). Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement (LWN Diesel) , or Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement (Except LWN Diesel) .
Release the transmission control wiring harness connectors.
- Carefully disconnect the wiring harness clips from the valve body and case.
- If necessary, remove the control valve body from the transmission. Control Valve Body Replacement
- Remove the transmission control wiring harness (4).
NOTE:
If replacing the wiring harness, the new wiring harness may not have electrical connector (2). If it does not have electrical connector (2), the control valve body will have to be removed.
NOTE:
The new replacement wiring harness may not have electrical connector (2). It will be a one piece harness.