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whining diff 

 

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 Post subject: whining diff
Posted: Sun Aug 14, 2005 6:19 pm 
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i have just put in a 3.45 ratio diff. the person i got it off said it was just rebuilt (new bearings etc etc). i took it for a drive and it seems to be whining. i put some of that Nulon diff tratment in to see if it makes a difference.
is there anything i should check before i take it to a diff place?

im guessing that the gears are not set up correctly.

 

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Posted: Sun Aug 14, 2005 8:37 pm 
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Hopefully the seller wasnt telling you porkies...
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Posted: Sun Aug 14, 2005 9:15 pm 
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well the bearings etc looked brand new and its all cleran etc

 

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Posted: Mon Aug 15, 2005 7:47 pm 
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you could try and give it a service i've seen a few whinning ss stop after a some good oil was put in, not sure if it'll work for an lsd.

 

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Posted: Tue Aug 16, 2005 7:50 pm 
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If its rebuilt, the whining might be from misaligned pinnion. So, oil is really not gonna help if its that. Best to take it to a pro, and get them to shim ir properly... Do you know if the pinion was taken out to change the bearings? or for any reason?


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Posted: Tue Aug 16, 2005 10:26 pm 
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Apparently the diff centre has to be aligned with shims as well. That's why I was going to take my car to a diff place to get it changed.

 

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Posted: Tue Aug 16, 2005 11:37 pm 
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Ive taken out my hemisphere before, to stick a minispool in, and put back in, it was fine... same as before. Without aligning the shims or whatever. Maybe got lucky. But when I went to stick 4.11's in, after that it whined like there was no tomorrow, sounded like a bus. And then broke lol. So doing it yourself can be risky, keep that in mind.


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Posted: Wed Aug 17, 2005 12:30 am 
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try some Nulon G70, people at work swear by it

 

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