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They aren't going to take it apart because they could find no reason too.
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SCGT500 said:The noise was clearly "at" the diff. More toward the drivers side of diff. From underneath you could watch the driveshaft and half shaft "ratchet" as the wheel was moved forward and reverse.
Won't do it at all now.
Only did it after a long hot track run.
Not at the wheel at all.
mattlqx said:Do you have any indication what the diff temperature was at the time?
SCGT500 said:Wondering if anyone has heard any issues with factory installed Torsens in the last couple years?
Ended up with a bad ratcheting sound in my diff over the weekend and thinking something has come loose in the Torsen diff.
Less than 5000 miles on the car.
3-4 year change interval is pretty long if it sees any track time. I'm on the cautious side. I change diff and tranny at least annually. Oil is cheaper than transmissions and rear diffs. Hope fluid quiets it back down, but if the damage has been the life has been shortened. Good luck sorting it back out.I have a noise going on that sounds like this was described. It only happens on left hand corners and the noise seems to be coming from the right side only. Definitely ratcheting noise. I am using RedLine 75W140 diff fluid, have had no problems with it until now but it's been in there for 3-4 years so maybe it's just unable to do the job anymore. Have a new batch on order, that stuff is hard to get around here. I just did a complete brake job, new rotors and pads all around, but I can't see how that could be involved. Probably need to be doing a yearly diff fluid change, these rear ends run hot. Perhaps a diff cooler is in order as well.
For sure, I've bumped that up on my maintenance list to at least yearly now. I have no doubt that this rear end is likely not going to last as long as it otherwise would after this. It might even be toast already, won't know until I get it back out there.3-4 year change interval is pretty long if it sees any track time. I'm on the cautious side. I change diff and tranny at least annually. Oil is cheaper than transmissions and rear diffs. Hope fluid quiets it back down, but if the damage has been the life has been shortened. Good luck sorting it back out.