Does any one know where the vent in located on a pre 80 TH350? I think it may be vented through the dipstick but I'm not sure. Since I put a water proof dipstick in I have some trans fluid leaking into the transfer case. Am I a dipstick, or do I need a new one . Thanks <font color=red> Elkboy </font color=red> 82 K5 fuel injected H.O.305, TH350/205, 14bolt/10bolt and 39.5 TSL's.