Below are directions:
Fig. Fig. 1: Remove the timing cover bolts
Fig. Fig. 2: Remove the timing cover from the engine
Coat the lip of the new seal with oil prior to installation.
Fig. Fig. 3: Using a seal puller, remove the old seal from the front cover
Fig. Fig. 4: Installing the new seal in the front cover
Fig. Fig. 5: Oil pan front seal modification
Fig. Fig. 6: Front seal installed
Fig. Fig. 7: Sealer application
Fig. Fig. 8: Cutting the seal
Fig. Fig. 9: Guiding the cover into place. Make sure the seal remains undisturbed
Fig. Fig. 1: Crank the engine until the timing marks on both sprockets are in line
Fig. Fig. 2: Remove the camshaft gear retaining bolts
Fig. Fig. 3: Remove the camshaft gear and timing chain
A gear puller will be required to remove the crankshaft gear.
When installing the crankshaft position sensor you must use install a new oil ring seal onto the sensor.
Fig. Fig. 4: A gear puller will be required to remove the crankshaft gear
Fig. Fig. 5: Timing mark alignment-4.3L, 5.0L, 5.7L and 7.4L engines
Glad to help out and have a great day!