Why is this such a common problem with the Liberty oil pans? Are the threads in the pan weak or are there too few threads or are people crossthreading due to sloppy threads? Just curious so I know what to watch out for.
BTW, I tightened my plug a little more and the leak stopped.

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Solar Yellow 2001 TJ Sport 4.0 auto 4X4
White 2006 Liberty Limited 2.8 CRD 4X4...SOLD 4-21-2012

i bought this, in M8 (same as my 4 cyl cummins in my 1942 dodge) and put them in both. it screwed in easily for about 3/4 and then got tight, so i just kept tightening it until the nylon washer touched the pan.... ill let you know how it works.

http://trasko-usa.com/Drain-Valves.htm

18MM-1.5, unless PO drilled/tapped it.... i did nothing and it was leaking 6" spot daily....

The pans are aluminum instead of steel.

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Used to own:
2006 CRD Sport
Suncoast TC, Transgo shift kit, Inmotion, ORM, EHM, Magnaflow SS exhaust, Fumoto valve, EVIC added, Hensley TruControl brake controller, Pirelli Scorpion ATR LR-D in spring/summer/fall, FIA winter front and Blizzaks in winter

And there's only about 4 or 5 threads.

And the original plug has a tapered shoulder that I think is to center the sealing washer that distorts the first few threads if the washer is not in place.

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

NO more leaking. problem fixed.

I'm going to buy one of those for my sons ranger.We bought the truck a few months back and just noticed rtv around the drain plug.So I will have this on had before I change the oil.Thanks for the info.

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2003 KJ Renegade, 5 speed, frankenlifted,Al's a Arms 4.5,Moabs 245/75/16 BFG KM2's, custom rock rails, full Mopar skids, Hella ff220 lights,Hd cooling,Front DTT,Riddler diff cover,Rola safari rack,Cobra 29 peaked & tuned.

Pastafari Alum, Pink shovel recipient

grommet1:
sorry just saw your post. yeah i did. my threads were completely done. It was a smooth bore. I drilled and then tapped with a tapered tap. it worked great. Run some old oil through just in case you threw something up there when drilling. I had the drill bit but ordered the tap.
41/64 is fairly common. Be sure you use a tap wrench.
Did jiffy lube offer to pay for the repair?

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2005 Liberty CRD
235/75R16 Firestone Destination's, Fumoto Valve
Boiler's Aluminum Roof Rack