re ptfe tape , yep its worth a try next oil change, along with a new bolt etc, but in the process of removing and retightening the threads may become worse as a result , then my weep could become a worse drip, then im worse off pushing me into a sump change. theres no way of pre knowing that outcome.
definitley worth a go if my current weep gets worse as it is , which ,one day its bound to , then ive nothing to loose