Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.

Remove the fill plug-(1).Installation Procedure

Clean the fill plug and apply adhesive GM-P/N-12345493 (Canadian-P/N-10953488) tothe threads.
Caution:Refer toFastener Caution.
Install the fill plug-(1) and tighten to 39-Y (29-lb-ft).Lower the vehicle.
Drain Plug Replacement Automatic Transmission Unit
Transmission Fluid Drain and Fill Automatic Transmission UnitExhaust Manifold Replacement (LEA) Exhaust Exhaust Manifold
Exhaust Manifold ReplacementCalloutComponent NamePreliminary ProceduresRemove the exhaust manifold heat shield. Refer toExhaust Manifold Heat Shield Replacement.Remove the exhaust manifold heated oxygen sensor. Refer toHeated Oxygen Sensor Replacement - Sensor 1.Remove the intake manifold bracket.Re ...