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  #1  
Old June 11th, 2005, 11:48 AM
4x4x46
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lifted d 90 noise

i have a 97 d 90 wagon lifted 2 in i have a groning noise on decel mostly around 50 sounds liek a diff noise but installed a new diff. I was wondering if anyone else has had the problem too,Seems to be from the driveshaft and the shaft is on a little bit of a bind ...Any ideas??????
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  #2  
Old June 11th, 2005, 12:24 PM
javelinadave
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Lube up my man! Grease up your u-joints and spray some WD-40 on the new springs wherever they touch other metal (top & bottom). 99% chance that will solve your issues...........
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  #3  
Old June 11th, 2005, 12:46 PM
4x4x46
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joints are brand new i can get the truck to make the noise on jack stands.Its really got me stumped
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  #4  
Old June 11th, 2005, 01:18 PM
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Giampaulo Cinquegrana
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Quote:
Originally Posted by 4x4x46
i have a 97 d 90 wagon lifted 2 in i have a groning noise on decel mostly around 50 sounds liek a diff noise but installed a new diff. I was wondering if anyone else has had the problem too,Seems to be from the driveshaft and the shaft is on a little bit of a bind ...Any ideas??????
You installed a new diff where, front or back?

Did the grinding noise start after you installed the lift or after you installed the diff?

If you installed the diff in the rear are the front and rear flanges facing the same direction? How about in front?

With the new diff, did they replace the bearings? Set the backlash? Install the right shims? Spacers?

Have you tried driving with only one driveshaft to isolate the noise?

A bit more info would help.

Also, do a search on this board and you'll find that a few members have had the same problem.

Good luck.
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Old June 12th, 2005, 09:55 AM
4x4x46
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noise was before and after the diff i got a entire jackpot from rover .It was a rear diff .i havent tried driving with just the front shaft because the noise is so loud at the rear ,with the rear axles out it is muh louder for some reason
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  #6  
Old June 13th, 2005, 08:38 AM
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Check the T-case fluid, maybe even change it to make sure it is good. I would also check the fluids all around to see if there is any metal in it.
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Old June 13th, 2005, 08:41 AM
4x4x46
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did that too allthe fluid was clean noise sounds like it isthe driveshaft to me even after the u joints were replaced
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  #8  
Old June 13th, 2005, 08:46 AM
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I have replaced UJs and they went bad after 10 miles of driving because they were the wrong size. Is anyone near you that you could trade drive shafts with just to see if that is it for sure? I think Ken Loy is in Marry land, he has a 94 and I'll volunteer him
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  #9  
Old June 14th, 2005, 07:21 AM
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If he's up in the Baltimore area he might want to talk to Trevor.
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  #10  
Old June 15th, 2005, 11:37 AM
4x4x46
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trevor looked at it already
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  #11  
Old June 15th, 2005, 07:02 PM
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Hi bobby, do a search for info on your problem. If you lifted the truck you now have some issues with a steeper drive shaft angle. You can pinpoint which one is the culpret by removing one at a time and test driving. Just pull the front drive shaft first and make sure you have the center diff lock ingaged. To search for related info on your problem input "drive shaft or double cardon drive shafts." JP
You have a couple of fix options to consider
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  #12  
Old June 15th, 2005, 07:29 PM
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Yeah, jp, that's the best advice I've heard. Anyway, just to add to that, here's some good links that will help you understand what CAN happen when you lift a vehicle without doing anything else to it.

http://www.4xshaft.com/driveline101.html
and for more in depth info, check out these others here
http://www.4xshaft.com/techinfo.html
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