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#550895 - March 23rd 2012 7:23 pm Driveshaft help needed
Galaxy Offline
carpal tunnel

Registered: July 08th 2008 11:49 am
Posts: 9427
Loc: New Jersey
I have been trying to figure out where the driveline vibration in my van is coming from. I was back at it again today with the help of my club member Tim. We got the van up on jack stands and started checking everything underneath.
Trans mount, ok
Universal joints, ok
Axle bearings, ok
Differential, ok (oil also ok)

Next we started the van and put in gear to let the wheels spin. No noise or grinding or vibrations or leaks coming from anywhere around the rear axle.
But when I looked down the driveshaft from the rear to the trans, I noticed a wobble. And then we let the shaft spin and looked at it from the side. We both could definitely see a wobble up near the yoke. So I'm concluding I have a bent driveshaft.

Does anybody know of a driveshaft shop here in NJ?
Should I try to have it repaired? (straightened & balanced)
Opinions on a junk yard replacement?
Source for a new or rebuilt replacement?

Thanks in advance.
_________________________
Loonie Toon Truckers...
New Jersey Chapter




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#550899 - March 23rd 2012 7:48 pm Re: Driveshaft help needed [Re: Galaxy]
Hoagie Offline
addict

Registered: June 24th 2006 12:00 pm
Posts: 560
Loc: Lake Villa IL
just a thought did you get a good look at the yoke itself to make sure there were no cracks

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#551016 - March 24th 2012 9:34 am Re: Driveshaft help needed [Re: Hoagie]
Galaxy Offline
carpal tunnel

Registered: July 08th 2008 11:49 am
Posts: 9427
Loc: New Jersey
Yeah, I did a good inspection. But there was no visible damage to any of the components. But you could sure see the shaft wobbling while it was spinning!
_________________________
Loonie Toon Truckers...
New Jersey Chapter




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#551081 - March 24th 2012 1:57 pm Re: Driveshaft help needed [Re: Galaxy]
NateNCBV Offline

Administrator

Registered: August 23rd 2005 12:00 pm
Posts: 20415
Loc: Brooklyn Park, Maryland, USA
If you can swing it, go with a new shaft.

You may even be able to get an aluminum one made.
_________________________
Nate Breece
2%
North Chesapeake Bay Vans
--------------
1994 Dodge B250 Elk Conversion (5.2L/A518)
2008 Dodge Caravan (3.8L)

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#551095 - March 24th 2012 3:04 pm Re: Driveshaft help needed [Re: NateNCBV]
80D Offline
stranger

Registered: December 29th 2011 11:51 am
Posts: 17
Loc: Arizona
I'd say junkyard, its faster/cheaper than getting it rebalanced and straightened. Plus, you're doing your part of reusing pretty decent parts from a junked vehicle, just look out for the one's that have been front or rear ended. If money is no issue, get one made.

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#551098 - March 24th 2012 3:16 pm Re: Driveshaft help needed [Re: Galaxy]
wrcsixeight Offline
veteran

Registered: April 30th 2010 8:57 pm
Posts: 1947
Loc: San Diego
Every Van I have seen at a J/Y has had a bent drive shaft from the forklift used to pick it up.

Not that I have been to a lot of Junkyards though.

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#551102 - March 24th 2012 3:33 pm Re: Driveshaft help needed [Re: Galaxy]
wookee Offline
carpal tunnel

Registered: April 14th 2003 12:00 pm
Posts: 7561
Loc: Joppa Md. U.S.A.
sucks you are so far away.I have a very good shop down here.

Sorry a salvage yard it the last place you want to go.
fork lifts used to lift these vans bend the hell out of the drive shafts.
scoring one from a good van some body is parting out might be another option

I an also having mine done before my next long road trip.

.......Wookee
_________________________
Its a "Van Thing"
A life style you have to LIVE to understand!



Vintage Chevy Van Club

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#551107 - March 24th 2012 3:50 pm Re: Driveshaft help needed [Re: Galaxy]
josh_performanceinc Offline
pooh-bah

Registered: June 14th 2009 2:29 pm
Posts: 3556
Loc: Leesburg NJ
Charlie... A bad U-joint can cause a wobble. Pry on it some with a big screwdriver. Jack up one wheel and have someone spin it back and forth by hand with the van in park while you watch each joint. You may be able to see/feel/pry some movement in the joint if it's bad. And last, just drop it and check the universals with it out. I mean, at that point you're going to have to take it out anyway.

Also I might have a shaft laying around. Post your length from center of the yoke to the other one. I'm sure someone will have one. (However since my earlier post, I realized I sold my aluminum shaft to Swimmster.)
_________________________
Josh Souders
Performance Inc




The voices in my head may not be real, but they have some good ideas!

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#551115 - March 24th 2012 4:19 pm Re: Driveshaft help needed [Re: Galaxy]
draggnastro Offline
pooh-bah

Registered: May 09th 2006 12:00 pm
Posts: 4460
Loc: Springfield, Illinois
id say have a new one made, its not that expensive and well worth it to save possible failure and beating the crap out of the bottom of your van.
_________________________
2003 Grand Caravan

Member Vanatics Van Club-Spfld, IL
Member Florida Van Council
Member Central Florida Vans,-Orlando, FL




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#551118 - March 24th 2012 4:22 pm Re: Driveshaft help needed [Re: Galaxy]
maples01 Offline
pooh-bah

Registered: October 02nd 2002 12:00 pm
Posts: 3301
Loc: Maryville, TN
I'd say you could have a busted U-joint.
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