engineOil Change Torque Specsfor 1990 Isuzu Pickup 2.3L I4 · 4WDUnitslb-ftNm6 fastenersSeqComponentTorqueAngle2Oil Filter (hand-tight)Critical13.3 lb-ft · 18 Nm——Mounting Bolts20 lb-ft · 27 Nm——Oil Drain PlugCriticalUse new washer each time25 lb-ft · 34 Nm——Oil Filler CapHand tight5 lb-ft · 7 Nm——Oil FilterHand tight + 3/4 turn18 lb-ft · 24 Nm——Skid Plate BoltsIf equipped10 lb-ft · 14 Nm—📝 Suggest a correction to this torque spec