Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

To install the torque converter (2), spin the torque converter to engage the turbine shaft splines in the torque converter hub, the stator shaft splines in the stator race and to engage the drive flats on the converter pump hub with the oil pump drive gear.
NOTE: Lubricate the converter pump hub OD and the torque converter seal with clean transmission fluid.

NOTE: Use care not to damage the torque converter seal during the installation procedure.

Fig 1: Torque Converter
Courtesy of GENERAL MOTORS COMPANY
Install the converter holding strap (1) D T-21366 Converter Holding Strap to the transmission.
WARNING: The torque converter must be held to the torque converter housing by a retaining device such as shipping brackets. Without the retaining device, the torque converter may slide forward, disengaging the oil pump or may fall completely out of the transmission causing personal injury and/or property damage.
Install the transmission. Refer to Transmission Replacement (M5U with LT4 Engine) , Transmission Replacement (M5N with LGX Engine) and/or Transmission Replacement (M5N with LTG Engine)