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.Installation Procedure

Install the secondary shoe. Refer toSecondary Camshaft Drive Chain Shoe Installation - Left Side.Install the left bank secondary camshaft drive chaintensioner. Refer toSecondary Timing Chain Tensioner Installation - Left Side.Install the engine front cover. Refer toEngine Front Cover Replacement.
Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left Side Valvetrain Camshaft
Primary Timing Chain Guide Replacement - Upper Valvetrain Valvetrain Timing Timing Belt/ChainFill Plug Replacement Automatic Transmission Unit
Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the fill plug-(1).Installation ProcedureClean 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 t ...