You need to position the crankshaft position (CKP) sensor to the block, install the bolts that hold the CKP sensor to the block face, install the
Crankshaft Position Sensor shield, connect the CKP sensor electrical connector, position the crankshaft harmonic balancer on the crankshaft, then install the right splash shield cover, connect the negative battery cable, and perform the CKP system variation learn procedure.