Causes
Moderator
Joined: Jul 2010
Posts: 12,056
Likes: 1,560
From: Media PA
Well, it's obviously oil seeping out of the rear differential either from around the sealing surface, leaking pinion seal or from a rust hole(s) in the sheet metal cover. It's something that should be investigated and corrected before too much gear oil works it's way out.
Lead Driver
Joined: Jul 2013
Posts: 9,266
Likes: 150
From: In the field...
1. Leakage around and about the rear differential.
2. Seepage around and about the rear differential.
3. You have a 19 year old vehicle that probably has 150,000-300,000 miles on it, that is old enough to vote and die in a war.
4. You have also started 6 threads with a total of 11 posts in less than 3 months.
5. Lots of rust.
6. Too much "hop-scotch" played on the driveway.
2. Seepage around and about the rear differential.
3. You have a 19 year old vehicle that probably has 150,000-300,000 miles on it, that is old enough to vote and die in a war.
4. You have also started 6 threads with a total of 11 posts in less than 3 months.
5. Lots of rust.
6. Too much "hop-scotch" played on the driveway.
Fleet Mechanic
Joined: May 2017
Posts: 1,314
Likes: 103
From: TN
1. Leakage around and about the rear differential.
2. Seepage around and about the rear differential.
3. You have a 19 year old vehicle that probably has 150,000-300,000 miles on it, that is old enough to vote and die in a war.
4. You have also started 6 threads with a total of 11 posts in less than 3 months.
5. Lots of rust.
6. Too much "hop-scotch" played on the driveway.
2. Seepage around and about the rear differential.
3. You have a 19 year old vehicle that probably has 150,000-300,000 miles on it, that is old enough to vote and die in a war.
4. You have also started 6 threads with a total of 11 posts in less than 3 months.
5. Lots of rust.
6. Too much "hop-scotch" played on the driveway.
Cargo Master
Joined: Sep 2010
Posts: 3,191
Likes: 2,007
From: SW Washington
It doesn't look as bad as some other 20+ year old diffs I've seen. It almost looks normal. A fluid check is needed to see how low the oil level is. I'd bet it's still not at a critical level unless there are fresh drips every day. The worst case if there aren't any new drips, the diff is empty.
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RVRoadie
1999 - 2016 Super Duty
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Mar 20, 2008 01:09 PM
