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 shaky while driving
#722403
05/10/06 07:56 AM
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Joined: Jul 2004
Posts: 92
OP
Getting the Wheeling Fever
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I have a 87 4x4 truck w/ 31's( not all that aggresive), when I am on the freeway and let off the gas or push in the cluch my truck shakes until the speed is way down or I give it gas. Awhile ago the drive shaft almost came off as all 4 bolts vibrated loose. Is it poossible that the drive shaft needs to be balance? aparently this was done before I got the truck. I think that is why the drive shaft vibrated loose.
87 ex-cab 4x4 D D
89 4runner Work in progress!
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Re: shaky while driving
[Re: justinmnhall]
#722404
05/10/06 09:11 AM
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Joined: Apr 2002
Posts: 3,568
Roll Me Over
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Do you feel the vibration in the seats or the steering wheel? If it is in the steering wheel it is usually indicative of the wheels/tires needing to be balanced. If it is in the seat, this usually indicates a U-joint/drive shaft problem. Do you hear a tink when backing up and taking off? The tink sound is also indicative of U-joints. You can also get under the truck and see if there is any up/down-side/side play in the driveline, there shouldn't be any, you should only be able to turn it about a 1/2 inch.
More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed
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Re: shaky while driving
[Re: Snowtoy]
#722405
05/10/06 02:20 PM
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Joined: Apr 2000
Posts: 4,230
Roll Me Over
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Do you feel the vibration in the seats or the steering wheel? If it is in the steering wheel it is usually indicative of the wheels/tires needing to be balanced. If it is in the seat, this usually indicates a U-joint/drive shaft problem. Do you hear a tink when backing up and taking off? The tink sound is also indicative of U-joints. You can also get under the truck and see if there is any up/down-side/side play in the driveline, there shouldn't be any, you should only be able to turn it about a 1/2 inch. Besides all of this make sure the U-joints are in phase!!! ![[Linked Image]](http://pics.montypics.com/oops/2006-05-10/1147267406_1350_longshaft.jpg)
David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA
"Serenity through Sobriety"
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Re: shaky while driving
[Re: Snowtoy]
#722406
05/10/06 05:22 PM
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Joined: Jul 2004
Posts: 92
OP
Getting the Wheeling Fever
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no vibration felt in the seats, but I can hear the vibration( sounds like I have alot bigger tires than I do) and the sliding rear window rattles like crazy. The u-joint are in phase. I have greased them several times over the 2yrs. Thanks for the input. I think check the u-joint and get the tires rotated and balance to see of that solves it. Here's hopin' <img src="/forums/images/graemlins/cheers.gif" alt="" />
87 ex-cab 4x4 D D
89 4runner Work in progress!
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Re: shaky while driving
[Re: 4Crawler]
#722408
05/10/06 07:23 PM
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Joined: May 2005
Posts: 90
Getting the Wheeling Fever
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you know when i back up i hear a tink sound. someone told me it was the slip yoke on the rear axle. could it be this and the ujoints?
94 Pickup DLX V6 stock as stock can be, but not for long.
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Re: shaky while driving
[Re: bassplaya]
#722409
05/10/06 08:45 PM
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Joined: Apr 2000
Posts: 4,230
Roll Me Over
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you know when i back up i hear a tink sound. someone told me it was the slip yoke on the rear axle. could it be this and the ujoints? U-Joints!!!!
David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA
"Serenity through Sobriety"
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