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Guest Message by DevFuse

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metal shavings on the rear diff drain plug 96' Legacy

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4 replies to this topic

#1 Grasshopper2.2


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Posted 28 August 2013 - 12:47 PM

Hey guys and gals, when I swapped out my rear diff fluid the other day I noticed a small amount of metal shavings on the drain plug.   Just wondering if it is normal to see a small amount of shavings from wear over time or if this is something that could cause future trouble? The car is a 96' legacy l wagon with 97,000miles.  I don't think it had ever been changed before, but I'm not certain.  There is no noise or anything and she drives quiet and nice as can be.  I think she'll go for many trouble free miles.  What do you think?

#2 1 Lucky Texan

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Posted 28 August 2013 - 01:00 PM

if it was sludge-like, no 'chunks', and less than - say 1/2 or 3/4 teaspoonful or so, that would be consistent with normal i think. At least, that's what I found on my cars' magnetic drain plugs.

Edited by 1 Lucky Texan, 28 August 2013 - 01:02 PM.

#3 Rooster2


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Posted 28 August 2013 - 04:32 PM

"No noise" are the two key words in your post. That pretty much tells you the diff is in good shape. I wouldn't worry about it. A small amount of metal grit is normal. Replace diff lube, and you should be good for many more miles.

#4 Fairtax4me



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Posted 28 August 2013 - 05:18 PM

A small amount of grey is normal. Gears wear a little no matter how new or slippery the fluid is, and the shavings from that wear just get stuck to the case.

#5 Grasshopper2.2


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Posted 28 August 2013 - 08:52 PM

Good to know!  Now hopefully this is the case with my front diff, when I change out the fluid as well.

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