Hombre S Regular Cab 4WD V6-4.3L (1999)
1. Install a NEW oil filter bypass valve.
1. Install the bypass valve into the oil gallery bore until slightly below flush with the surface of the block.
2. Using a pointed punch, stake the block area around the bypass valve. Stake in three locations 120 degrees apart.
2. Install a NEW seal (O-ring) into the groove in the oil filter adapter.
3. Install the oil filter adapter with a NEW oil filter adapter gasket.
