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Old 12-06-2004, 04:02 PM   #1
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Join Date: Sep 2003
Posts: 932
Driveshaft balance on MH

Check this out, it is an active balancing system for the driveshaft.
Has anyone had any experiance with these?
How much does it cost to get the driveshaft balanced professionally?
I am doing u-joints and the carrier baering this week as well as fluid change in diff, new shocks all around, new dampner, wheel bearings etc...
and came across this.

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Old 12-06-2004, 08:03 PM   #2
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1986 34.5' Airstream 345
Louisville , Kentucky
Join Date: Feb 2003
Posts: 1,861
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Uhg - been there done that on the bearings, u-joints, shocks and bearings....not a lot of fun but what a difference!

I am still chasing vibrations out of my drivetrain. I think it's isolated to a loosening output shaft from the transmission. This device sounds good but I'd like to hear from someone who's used it. The website leaves a lot to be desired.

One thing I've noticed since doing all of the same things is that all the noises, creaks, rattles and groans from the suspension/drivetrain are gone but now I can hear all of the noises, creaks, rattles and groans from inside the coach - kind of like that "whack a mole" game at the county fair.

Steven Webster
1986 Airstream 345 Classic Motorhome
AIR 1760
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Old 12-07-2004, 02:25 AM   #3
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LOST , Hawaii
Join Date: Jun 2002
Posts: 2,193
Originally Posted by richardt
How much does it cost to get the driveshaft balanced professionally?
$230 to get one shortened, balanced, 3 new u joints and a carrier bearing. I thought that was a steal considering I paid $180 for 1 U joint to be replaced last spring on a SOB.

FWIW, it was a 1990 P32 chassis and had inverted torx head bolts on the rear axle caps. If you have one around this age check the bolts before you end up in a jam and have to fork out big bucks for a simple job.

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Old 12-07-2004, 11:47 AM   #4
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1973 23' Safari
North of Boston , Massachusetts
Join Date: May 2002
Posts: 4,547
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My brother-in-law is a machinist that specializes in drive-line and truck axle repair. just "balancing" the driveshaft takes him about 5-10 minutes. I can't believe he charges much for the service...I've seen him do it a hundred times...fairly simple operation. but the machine costs an arm and a leg, I guess. I can find out how much, if you're interested.
Wbcci: 3752
'73 Safari 23'
'00 Dodge Ram 1500 4x4 QC
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