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Old 07-22-2021, 04:54 AM   #15
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Location: Granbury, TX
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Originally Posted by CountryB View Post
You don't say what engine or year you have.
Note that many diesel engines have a crankcase breather/filter at the top of the "slobber tube". If that filter (or screen) gets clogged up, higher than normal crankcase pressure builds up in the engine which then pushes oil out of the seal (the weakest seal is where the leak starts).
Sorry, you're right. It's a 38-ft 2000 Holiday Rambler Endeavor diesel pusher with a Caterpillar engine.
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Old 07-22-2021, 11:56 PM   #16
Join Date: Jun 2018
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We purchased our 01 Winnebago Journey with 3126b Cat in 2018. Purchased it with some oil drips / collection between engine and tranny. I took to Freightliner. They said it was the main seal, if itís not leaving an oil spot on the driveway, just keep an eye on it. Well, 3 years later still the same, but looking a little dirtier/oiler at same place but not really leaving drops on driveway.

I clean radiator / CAC every year but doesnít seem to get sucked up there, no over heating.
2001 Winnebago Journey 36DL
with Cat 3126b & Ď12 Honda CR-V Toad
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leak, seal

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