Join Date: Mar 2001
Location: Altamonte Springs FL
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Re: Urgent, transmission and x-fer breather options.
Of course I did not do the search before I posted. 1/8" here I come!
Quote from Jeepn
If you're going to drill down through, use a 1/8" NPT tap to thread the hole, almost all fittings use the 1/8" NPT (National Pipe Thread).
While/before drilling, coat the end of the drill/tap with generous amounts of grease. The grease will catch any filings so they don't end up in the tranny and ruin the bearings. I have also used a large shop vac with a dry bit and had good results. Just be careful not to get anything in the tranny as it'll mess it up.