Important: Ensure that the ball ends of the valve pushrods seat in the valve rocker arms. Notice : Install the valve pushrods with the copper-colored,…

Tools Required J 39664 Manifold Cover Set Important: • Make sure that the block gasket surfaces are clean. • The head gasket material is soft.…

Notice : Prime the new valve lifters before installation. The valve lifters may be damaged if the valve lifters are dry when the engine is…

Important: Replace the valve lifters when a new camshaft is installed. 1. Install the camshaft sprocket key. 2. Install the camshaft sprocket spacer, with the…

1. Apply a 2 mm (1/16 in) bead of RTV sealant GM P/N 12345739 to the oil pan rear seal at the inside corners where…

1. Install the oil pump with the driveshaft. Notice : Refer to Fastener Notice in Cautions And Notices. 2. Install the oil pump bolts. Tighten…

Tools Required J 8 0 3 7 Ring Compressor The connecting rod bearings are precision insert connecting rod bearings, and do not require shims for…

Tools Required J 3 9 0 8 4 Rear Crankshaft Oil Seal Installer Important: • Coat the crankshaft surface with engine oil. • Lightly coat…

There are five crankshaft bearings numbered 1 through 5, as viewed from the front of the engine. There is an arrow on each bearing cap…

Tools Required J 33049 Camshaft Bearing Remover/Installer Set Important: • All bearing locations are viewed from the front of the block, with the block in…