The transmission final drive adjusting nut lip seals are a source of oil leakage. The same is true of the engine pulley shaft. This is not surprising given the continual wear of the single lip seal against the shafts.
Double Lip Final Drive and "O" Ring Seal (1) For one side. $14.95
Double Lip Engine Pully Shaft Seals For timing cover. $17.95
Double Lip Final Drive and "O" Ring Seals (2) For two sides $27.95
We supply double lip seals to better resist transaxle and engine pulley shaft oil leakage.