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Author Topic: Help bad vibration and noise while accelerating  (Read 2986 times)

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Offline CiaMonkey

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Help bad vibration and noise while accelerating
« on: July 22, 2013, 05:41:52 PM »
Hey guy I'm not much of a mechanic but just today my jeep started out having a strange sound under acceleration, then progressed into a bad vibration under acceleration. Any ideas as to what's wrong?
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

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Offline BUKI

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Re: Help bad vibration and noise while accelerating
« Reply #1 on: July 22, 2013, 06:23:41 PM »
Oh man. Soo many possibilities. Ds u joints, tcase issues, your not lifted so there goes the thought of angles. Ball joints, wheel bearings. Basically loose front end. Is vibe in back or in steering wheel?


Sent from my iProne
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Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #2 on: July 23, 2013, 07:57:55 AM »
It's in the back I'm thinking it may be my tcases I have been having issues in 4high since I got the jeep.
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline BlackYJ

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Re: Help bad vibration and noise while accelerating
« Reply #3 on: July 23, 2013, 08:31:01 AM »
I would start with the u-joints and go from there.  Do you know if the joints have been changed?
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Offline JackstandJohnny

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Re: Help bad vibration and noise while accelerating
« Reply #4 on: July 23, 2013, 09:16:20 AM »
X2 u joints
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Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #5 on: July 23, 2013, 11:15:10 AM »
I'm going to go ahead and say no they haven't been, I found today that the vibration happens between 55-85 km/h and doesn't go away when in neutral leading me to believe that it is u joints what is the cost of replacing them?
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline BlackYJ

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Re: Help bad vibration and noise while accelerating
« Reply #6 on: July 23, 2013, 12:59:02 PM »
Spicer joints are $20-30 a piece and then a hour or 2 of your time.  If you do it yourself, make sure you have a coffee cup with rags in it ready to put over the slip yoke housing of your t-case or you will spill oil.

Don't cheap out and get good joints.  If you are not diligent in keeping greaseable u-joints greased there is nothing wrong with the non-greaseables.  Spicer has a 3 seal joint that is good
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'95 YJ with a few mods

Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #7 on: July 23, 2013, 01:38:38 PM »
Might get broken axle to do them I'm mechanic retarded lol so like 150 bucks for parts? Can you recommend some u joints?
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #8 on: July 23, 2013, 01:39:14 PM »
Never mind lol ill check out those spicers

 Ps  god I feel dumb but do I only need one??
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline BlackYJ

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Re: Help bad vibration and noise while accelerating
« Reply #9 on: July 24, 2013, 08:05:00 PM »
Quote from: CiaMonkey on July 23, 2013, 01:39:14 PM
Never mind lol ill check out those spicers

 Ps  god I feel dumb but do I only need one??

Crawl under your jeep and have a look at the driveshaft  ::)  Get 2
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'95 YJ with a few mods

Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #10 on: July 24, 2013, 08:23:17 PM »
Ok got under the jeep and the shaft seems to have no play at all. I don't think it's u joints anymore any other thoughts.
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline Jrama

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Re: Help bad vibration and noise while accelerating
« Reply #11 on: July 24, 2013, 08:34:01 PM »
Remove your rear shaft and drive in 4wd, your vibration will likely be gone. you really have to remove the shaft to check the joints anyways
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Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #12 on: July 24, 2013, 08:57:43 PM »
Ok well I will probably do them anyways
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline CiaMonkey

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Re: Help bad vibration and noise while accelerating
« Reply #13 on: July 27, 2013, 09:54:25 PM »
So apparently it fixed it self it's been a few days and no more vibration! Going to do ujoints on Monday anyways. I am very confused lol.
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Zombie Response Team

In commission- '92 YJ smittybuilt src bumper, 2x hella 700's, 2x hella 500's, cobra CB + antenne. To come: 4" suspension lift and 33" Nittos.

Retired- '12 wrangler mojave

Offline AstraX

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Re: Re: Re: Help bad vibration and noise while accelerating
« Reply #14 on: July 28, 2013, 07:12:31 PM »
Quote from: CiaMonkey on July 27, 2013, 09:54:25 PM
So apparently it fixed it self it's been a few days and no more vibration! Going to do ujoints on Monday anyways. I am very confused lol.

The puppy you hit that got tangled on your drive shaft must have come loose.
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