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 UnitSecondary Timing Chain Tensioner Shoe Replacement - Left Side Valvetrain Valvetrain Timing Timing Belt Tensioner
Removal ProcedureRemove the engine front cover. Refer toEngine Front Cover Replacement.Remove the left bank secondary camshaft drive chaintensioner. Refer toSecondary Timing Chain Tensioner Removal - Left Side.Remove the secondary shoe. Refer toSecondary Camshaft Drive Chain Shoe Removal - Left Side ...