Apply sealant to all plugs-(1, 2, 3) prior toinstallation. Refer toAdhesives, Fluids, Lubricants, and Sealers.Install the drain plug, with sealant, in the waterpump.
Caution:Refer toFastener Caution.
Install the coolant jacket plugs, with sealant, and tightento35-Y(26-lb-ft).Install the rear oil passage plugs, with sealant, and tightento60-Y(44-lb-ft).Install the other oil passage plugs, with sealant, andtighten to35-Y(26-lb-ft).Lubricate the crankshaft position sensor O-ringwith engine oil. Refer toAdhesives, Fluids, Lubricants, and Sealers.Install the crankshaft position sensor-(1) andbolt and tighten to10-Y(89-lb-in).Install the oil pressure switch-(2) and tighten to26-Y(19-lb-ft).
Install the knock sensor-(1) and bolt and tightento25-Y(18-lb-ft).
Install the piston oil nozzle assemblies-(1), ifequipped.Install the piston oil nozzle assembly bolts and tighten to15-Y(11-lb-ft).
Fluid and Lubricant Recommendations
Fluid and Lubricant RecommendationsUsageFluid/LubricantEngine OilUse only engine oil licensed to the dexos1 specfication, or equivalent, of the properSAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended.Engine Coolant50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant ...