Caution:Refer toFastener Caution.
Note:If the balance shafts are not properly timed to the engine,the engine may vibrate and make noise.
Install the upper balance shaft chain guide-(1)and bolts and tighten to12-Y-(106-lb-in).Install the small balance shaft chainguide-(1).Install the balance shaft chain guide bolts and tighten to12-Y-(106-lb-in).
Install the adjustable balance shaft drive chainguide-(1).Install the adjustable balance shaft drive chain guide boltsand tighten to10-Y-(89-lb-in).
Reset the timing chain tensioner-(1) by performingthe following steps:Turn the tensioner plunger 90-degrees in its boreand compress the plunger.Turn the tensioner back to the original 12-o'clockposition and insert a paper clip through the hole in the plungerbody and into the hole in the tensioner plunger.Install the timing chain tensioner.Install the chain tensioner bolts and tighten to10-Y-(89-lb-in).Remove the paper clip from the balance shaft drive chaintensioner.
Transmission 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 ...