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Old 04-28-2020, 04:06 AM   #2
78F350
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Join Date: Jul 2014
Location: Oklahoma
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I bet that it's the IMS flange seal. That's how one of my '99s looked and the RMS was still good at about 127k miles. My leak was bad enough that it would leave an oil spot under the car and the bearing itself still looked good when we replaced it with a LN dual row. Still, get a good look at the input shaft on the transmission before it all goes back together.
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Last edited by 78F350; 04-28-2020 at 04:08 AM.
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