So about 2 weeks ago I came back from a 10 vacation and started noticing a scraping or grinding sound in the rear. It's only while in motion and seems to smooth out when on highway. Almost sounds like really rusty rotors but I've check and cleaned them and it's still going. Any thoughts or ideas? My guess is wheel bearing or diff is low on fluid?
Not sure, they are filing a claim with my Service plan to have them send an inspector. I'm sure I'll be able to see it though. That could explain why it felt so sluggish. Just a buch of metal getting in the way creating a ton of friction
Pretty typical for an 8.8 rear end. Or any rear end equipped with a clutch-type limited slip differential, really.
As the clutches wear out, the friction material has nowhere to go except into the gear oil, and is then circulated throughout all of the moving parts.
Thats what I've heard. Should have put a 9" back there. Oh well I'll upgrade it in another 50k miles when this one burns out from my grandma driving lol
It's not really a strength issue. The 8.8 is plenty strong for most applications.
It may help to change the oil, and clean all of the gunk out of the bottom of the diff housing more frequently.
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