Join Date: Jun 2000
Location: Tualatin, Oregon, United States of America, North America, Earth, Milkyway Galaxy, Universe...
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Re: How hard to change main seal in YJ?
When I did it, it wasn't very hard. The tricky part was actually installing it correctly(which I didn't, as it leaked worse afterwards). I also didn't use the correct tool for the job. I thought if I was careful, that I could use a steel punch. BIG mistake. Before I knew it, I had knicked my crankshaft. Luckily after using some emery cloth on it, it's all better now. So if you do do it, take your time, make note of how the old one is installed, and use a brass punch. Other than all that, it's just a matter of popping off the oil pan, taking off the rear main cap, and going about your business. But if I'm missing a step, someone please let me know.