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think rear diff is gone maybe more
#298180
May 05, 2009 03:08 am UTC
May 05, 2009 03:08 am UTC
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Joined: May 2007
Posts: 707
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Bradley Woodward
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Hopped in the car today at work, put it in gear and got a loud clicky/bangy sound. All gears still engage fine. I took it home and put her on 4 jack stands and started rotating things...results:
If I rotate a rear wheel forwards(in neutral) the other rear will start spinning backwards then sort of stop and then move back some more and then a little forwards then stop (seems to depend how vigourously I spin)...front wheels spin forwards.
From what I have read this mean the rear diff is toast (LSD). Is that correct? Also when I put it in drive there is still the clicky bany sound which sounds like it is coming from the tranny. Did I take something else out too?
BOOST...Boo-Yah
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Re: think rear diff is gone maybe more
[Re: Bradley Woodward]
#298197
May 05, 2009 04:57 am UTC
May 05, 2009 04:57 am UTC
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Joined: Feb 2003
Posts: 301
High Prairie, Alberta
Stacey Shaw
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Posts: 301
High Prairie, Alberta
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According to the factory shop manual, the driveshaft must be disconnected when checking the rear diff. Once the drive shaft disconnected, if both wheels turn in same direction then LSD is good, but if one wheel turns opposite then LSD is shot.
That said, I don't think your rear LSD is the problem. It sounds like the center diff spider gears. But that is just a guess based on the info you provided. Anymore info you can provide?
A mind is like a parachute, it only works when open!
92 AWD 2.3 Auto 20G
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Re: think rear diff is gone maybe more
[Re: Stacey Shaw]
#298212
May 05, 2009 12:28 pm UTC
May 05, 2009 12:28 pm UTC
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Joined: May 2007
Posts: 707
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Bradley Woodward
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I'm going to start removing things tonight so I will update more. I think I have multiple problems drivetrain-wise...stupid sharp right hand turn autox start blocks!
BOOST...Boo-Yah
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Re: think rear diff is gone maybe more
[Re: Scott McIntyre]
#298272
May 05, 2009 08:40 pm UTC
May 05, 2009 08:40 pm UTC
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Joined: May 2007
Posts: 707
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Bradley Woodward
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It is constant when ever I have even slight power applied, even in a straight line. Start taking bets...
BOOST...Boo-Yah
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Re: think rear diff is gone maybe more
[Re: Bradley Woodward]
#298305
May 05, 2009 11:20 pm UTC
May 05, 2009 11:20 pm UTC
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Joined: May 2007
Posts: 707
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Bradley Woodward
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OK update...
I disconnected the drive shaft and now the rear diff seems to work like it is supposed to so I'm moving up the drivetrain. Transfer case is off and seems nice and smooth. Tranny oil had a little bit of shavings in it but didn't look that bad, no big pieces.
BOOST...Boo-Yah
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Re: think rear diff is gone maybe more
[Re: Bradley Woodward]
#298493
May 07, 2009 02:22 am UTC
May 07, 2009 02:22 am UTC
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Joined: May 2007
Posts: 707
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Bradley Woodward
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Update. Got tranny out and apart and voila I stripped 2 and a half gear teeth off of one of the gears (haven't figured out which one it is yet, its the second one in on the input shaft I think). So now I have to rebuild/get a new one.
On a positive note the teeth found there way away from the gears so it doesn't look like there was a lot of extra damage.
BOOST...Boo-Yah
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