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post #1 of (permalink) Old 02-24-2002, 09:09 PM
MrBraindamage
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Drivetrain noise

I just installed the GRS 1 gears and I was wondering do they cause any type of noise in the drivetrain? I also had to replace the pinoin bearings but I set the ring gear up buy the directions the best I could or at least my putty patern matched up with the pics pretty good and now the wine sounds like it's comming from my transfer case. I would be thankful for any help and maybe it would save some time, trouble, and money.

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post #2 of (permalink) Old 02-24-2002, 09:22 PM
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Re: Drivetrain noise

I just took my 4.16 t-case on it's maiden voyage today. No noise or vibration of any kind in mine. Sorry!

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post #3 of (permalink) Old 02-24-2002, 10:09 PM
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Re: Drivetrain noise

My GR2 case from petroworks wines a little I just assumed that's the way it is.

Early '88 Locked front & rear, lifted, Gr2 case, Winch & bumper. Now it's, I owe I owe so it's off to work I go...
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post #4 of (permalink) Old 02-25-2002, 12:03 AM
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Re: Drivetrain noise

Did you replace the bearings in the tcase? If any of them are bad at all, those gears will multiply any problems...
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post #5 of (permalink) Old 02-25-2002, 09:15 PM
MrBraindamage
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Re: Drivetrain noise

I replaced all the bearings except for a needle bearing that didn't come with the rebuild kit. I noticed a slight wine from the rearend when I decelerate but most of the noise sounds like it's comming from the t-case around 45 mph. Would the t-case magnify noise from the transmisson?

post #6 of (permalink) Old 02-25-2002, 10:49 PM
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Re: Drivetrain noise

clearence issues?

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post #7 of (permalink) Old 02-26-2002, 09:07 AM
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Re: Drivetrain noise

Take it out and drive it for about 10 miles. Get underneath and check the temperature of the trans , tcase, and rear end. You're probably going to find the rearend is getting pretty warm. It should never get more than 120* or so, any more than that, it's trying to burn itself up. You may not have enough preload on the carrier bearings, and the ring gear is trying to eat itself..
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post #8 of (permalink) Old 02-26-2002, 10:51 AM
 
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Re: Drivetrain noise

might sound dumb, but it happened to me.. the person who did the gears that are in my case did not fully torque down the input flange. and there was a little play in the flange.... this caused lots of noise, and it was mostly at 35-40 mph.... I unbent the flange bolt and torqued it down to 180 ft-lbs and reset the bends in the bolt and the
noise was gone and it was way smooth....



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post #9 of (permalink) Old 02-26-2002, 10:07 PM
MrBraindamage
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Re: Drivetrain noise

Tonight I jacked it up and listend with a stethoscope while it was running in gear and my rearend did not make any of the noise, it was comming from my t-case. where I'm not sure but I'll check all my flanges for play. Thanks for the help.

post #10 of (permalink) Old 02-26-2002, 10:52 PM
 
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Re: Drivetrain noise

I notice that my Sami clunks a lot when I shift gears and don't feather the clutch a lot. I got down under it and moved the car back and forth a bit in gear. I can see the drive shaft to the rear flex up and down quite a bit and hear the clunking noise. Changing the gear oil didn't change it.

I am a bit concerned about it because I just got my lift kit and don't know if I should put it on or not.

Thanks guys.

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