When tightening the oil pan bolts, apply symmetrical force on both sides, and the gap between the Huff surfaces of the oil pan is basically the same. After tightening, double lug locking washers should be used to prevent loosening.
When the bolts of the oil pan are fastened, the two sides are symmetrically forced, and the gap between the Huff surfaces of the oil pan is basically the same. After fastening, double ear stop washers should be used to prevent loosening.