
Ensure that the left secondary camshaft drive chainguide-(2) is being installed.

Position the left secondary camshaft drive chainguide.
Caution:Refer toFastener Caution.
Install the secondary camshaft drive chain guide bolts andtighten to25-Y(18-lb-ft).
Timing Chain Idler Sprocket Installation - Left Side Valvetrain Valvetrain Timing Timing Belt/Chain
Secondary Camshaft Drive Chain Shoe Installation - Left Side Valvetrain CamshaftTransmission Fluid Cooler Flushing and Flow Test (6T70) Automatic Transmission Unit
GM studies indicate that plugged or restricted transmission oil coolers and pipescause insufficient transmission lubrication and elevated operating temperatures whichcan lead to premature transmission failure. Many repeat repair cases could have beenprevented by following published procedures for tr ...