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Jeep Wrangler YJ
YJ General Discussion
Holy Hannah (rear main seal blew)
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<blockquote data-quote="T-Rex Jeepster" data-source="post: 440476" data-attributes="member: 19821"><p>With about 9,000 to 9,500 on the rebuild I did on the 1994 4.0...The rear engine seal has gone to bleeding out a quart every 50 miles. I mean it blew like a switch got flipped. I'm wondering if the Amsoil change I did with the high end synthetic 10W30 and the 20,000 mile filter that looked awful short to me took it out. I did see about a 10# increase in the pressure from plain fossil oil. Well...Is there a "Superior" Rear seal? I think I went with a Fel-Pro but I could be wrong about that. Damn, Just when I had all the bugs worked out and she was runnin' like a watch.</p><p></p><p> But like a Buddy mine of said...."They always run best just before they blow". I'm really bummed over this one.....<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4005" alt=":cautious:" title="Cautious :cautious:" loading="lazy" data-shortname=":cautious:" /></p></blockquote><p></p>
[QUOTE="T-Rex Jeepster, post: 440476, member: 19821"] With about 9,000 to 9,500 on the rebuild I did on the 1994 4.0...The rear engine seal has gone to bleeding out a quart every 50 miles. I mean it blew like a switch got flipped. I'm wondering if the Amsoil change I did with the high end synthetic 10W30 and the 20,000 mile filter that looked awful short to me took it out. I did see about a 10# increase in the pressure from plain fossil oil. Well...Is there a "Superior" Rear seal? I think I went with a Fel-Pro but I could be wrong about that. Damn, Just when I had all the bugs worked out and she was runnin' like a watch. But like a Buddy mine of said...."They always run best just before they blow". I'm really bummed over this one.....:cautious: [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Holy Hannah (rear main seal blew)
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