Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.

Support the transmission with a suitable jack.
Remove the J-21366 Torque Converter Holding Strap from the transmission bell housing.
Install the transmission to the engine.
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CAUTION:
Refer to Fastener Caution .

Transmission Bolt (1) - Install and tighten [3x] 58 N.m (43 lb ft)
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Transmission Bolt (1) - Install and tighten58 N.m (43 lb ft)
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Transmission Stud (1) - Install and tighten [2x] 58 N.m (43 lb ft)
Connect the transmission vent hose to the transmission.
Align the torque converter to flex plate orientation marks made during the removal procedure.
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NOTE:
Torque converter bolts are self-locking and must be replaced with NEW torque converter bolts every time the bolts are removed.

Complete the following steps for all torque converter bolts (1):
1. Rotate the crankshaft balancer center bolt clockwise ONLY, in order to align the torque converter bolt holes in the flexplate with the starter opening in the engine block.
2. Install all NEW torque converter bolts (1) and tighten to 60 N.m (44 lb ft).
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Transmission Bolt (1) - Install and tighten [2x] 58 N.m (43 lb ft)
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Transmission Stud (1) - Install and tighten [2x] 58 N.m (43 lb ft)
Warm Up Three-Way Catalytic Converter - Install - Warm Up Three-Way Catalytic Converter Replacement
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Install the transmission close out plug (1).
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Connect the electrical connector. (1)
Install the retainers. (2)
Install the starter. Starter Replacement (LSY) , or Starter Replacement (LGY) , or Starter Replacement (LT4)
Engine Coolant Heater Exhaust Pipe - Install - Engine Coolant Heater Exhaust Pipe Replacement
Engine Coolant Air Bleed Pipe - Install - Engine Coolant Air Bleed Pipe Replacement (LGY) , or Engine Coolant Air Bleed Pipe Replacement (LSY Auxiliary Water Pump Inlet Pipe to Engine Coolant Air Bleed Hose) , or Engine Coolant Air Bleed Pipe Replacement (LSY Engine Block to Engine Coolant Flow Control Valve)
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Transfer Case Assembly (2) - Install - Transfer Case Assembly Replacement
Remove the transmission jack.
Check the transmission fluid level and fill if necessary. Transmission Fluid Level and Condition Check
Lower the vehicle.
Perform the solenoid valve characterization. Q77 Transmission Control Solenoid Valve Characterization Programming
Check for leaks.