Limited slip vibration when turning Help
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Limited slip vibration when turning Help
I have a 2000 Excursion 4WD. It makes a rumbling , vibration when turning at low speeds. I am sure that its my limited slip causing this problem. I had the rear end fluid replaced at a Valvoline oil change place and told them to make sure to put in the fluid that has the additive for limited slip rear ends and it didn't help at all. I actually think it is worse now. Do I need to go to a Ford dealer and get a special additive or is my rear end going bad? Thanks
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Joined: Jan 2004
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From: colorado
there is and an additive that needs to be added when the fluid is changed. some fluids have the additive already in them but i have heard in quite a few cases that when using that type of fluid the LS still chatters a bit. the additive can be purchased and you ford dealer. to eliminate the chatter but get the best performance out of your LS add the additive a little at a time then test drive it, add just enough to get rid of the chatter
Elder User
Joined: Mar 2005
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the chatter is the clutch pak, after the intro of additive,it will take awhile for it to massage itself into the clutches-be advised that the recommend rear diff fluid is synthetic based,dont know if the qwik lubes have that,very expensive in comparison to a base diff fluid
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I had the same problem with my 2000 EX, only mine was also leaking from the pinion seal. I took it in to the dealer and he said the vibration was worn clutch packs. I had them rebuild the entire rear-end, being that it had 100K on it and the pinion was leaking for the 2nd time. Cost me $900 for everything.
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How much should I add? I bought one small bottle from Ford and it helped for a little at first, then got bad again, I added about 1/2 of another bottle and it didn't help. Should I add more? Think my clutch pack is toast? How much to get it fixed? Thanks
