Rearend trouble
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Senior User
Joined: Nov 2005
Posts: 163
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From: Port Orange Florida
Rearend trouble
I own 02 Excursion 7.3 4x4...155k miles...when I make hard left turns from a dead stop I feel/hear a ratcheting sound from the rear end (very minor, but noticable) truck runs and drives well other than that. Any ideas?
Postmaster
Joined: Jan 2009
Posts: 2,667
Likes: 1
From: Glen Rose,Texas
You need to add the friction modifier to the differential.Have you changed the gear oil lately?If not,most here run 75-140 synthetic.Napa sells the friction modifier or the dealer.That will stop the shutterring in the limited slip rear end.
