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Old 01-09-2014, 11:15 AM
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MnTom MnTom is offline
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Default Rear Axle Clunking on Left Turn

This has been going on for a while now, but I do have a question about the axle. I have a limited slip axle and under power the clutches seem to release quit hard on left turns only. It is quiet on right turns. I did change the oil in it last summer (Amsoil 75w90 long life) and it seemed to help quiet it down some, but I haven't put any slip additive in it. A little background, it used to be where making a tight left turn on pavement the left tire would squeal a bit, but never did on the right side. Should I think about rebuilding the clutches or put some additive in or leave it alone?
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Old 01-09-2014, 09:27 PM
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Mine seems to have turned itself into a locker. 350k miles later. I'm not sure if the additives even work, I did put the recommended amount in it. Who knows. Works good in the snow since it's only 2wd.
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Old 01-09-2014, 10:04 PM
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Quote:
Originally Posted by ISX View Post
Mine seems to have turned itself into a locker. 350k miles later. I'm not sure if the additives even work, I did put the recommended amount in it. Who knows. Works good in the snow since it's only 2wd.
Mine is the same way. You need to learn how to ease into it or you get in trouble real quick!
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5° timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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Old 01-12-2014, 10:07 AM
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Looks like you need to open up that differential at some point and look at the LS clutch pack. That the only thing I can think of inside the differential that would make a noise. Maybe look at your suspension on the rear axle for damage from Mn. rusting.
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Old 01-12-2014, 10:11 AM
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I know it is not a rust problem. It is definitely a clutch problem. The left side is binding and lets go harder than the right side. I have not restacked the clutches so it would be something new for me.
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5° timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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Old 11-15-2014, 12:21 AM
hodag56 hodag56 is offline
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I had the same clunking the last time I changed fluid in my limited slip diff. I put in synthetic royal purple, and was told I didn't need any additive, but after hearing the clunk I went and talked to a guy that owns a differential shop, he said if you have a limited slip diff. you still need the additive even if you use synthetic lube. He sold me a bottle of ford additive ,I put it in ,clunk went away, is still good after 20k.
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Old 11-15-2014, 09:50 AM
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Oh, wow, I forgot about this thread! Ever since I pulled the transmission it seems to be a lot better!?!? Figure that one out because I have no idea how it would change by pulling the tranny...
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5° timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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Old 11-15-2014, 11:15 AM
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It might be better after the trans work, but I'd still through in the additive.

Per the manual:

The most common problem is a chatter noise when turning corners. Check for Incorrect or contaminated lubricant. Replace the gear lubricant i f necessary.

• With Trac-Lok® differentials add a container of Mopar Trac-Lok Lubricant.

This will correct the condition in most instances. If the chatter persists, clutch damage could have occurred.
After changing the lubricant, drive the vehicle and make 10 to 12 slow, figure-eight turns. This maneu# ver will pump lubricant through the clutches.
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Old 11-15-2014, 08:43 PM
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Yea, I know I should put some additive in it, but I still can't wrap my mind around what would make it change just by pulling the transmission and re-installing it.
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1996 RAM "Custom Ground" 100 plate 3/4 forward, 300 injectors, 16.5° timing, Goerends Auto = 365HP, 833TQ Third Gen Rims, Aluminum Headache Rack
Duct Tape can't fix stupid, BUT it can muffle the sound
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