99 Caravan Vibration

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Chris - 30 Jan 2007 06:40 GMT

I bought a 99 Grand Caravan from a dealer about 6 months ago when
the van had 58k miles. I didn't think much of it at the time but there
was a slight shimmy that seemed to be coming from the front, especially
at low speeds. The van now has 70k miles and the shimmy has gotten
worse. I was told there was a service bulitin that pertains to this
problem.
How can I access the service bulitin? What can be causing this? I've got
a long way to go to pay off the financing for this van. Any help would
be appreciated- I can't afford to be at the mercy of the dealer's mechanics
by not investigating the problem myself first.
~Chris Clyne~

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SRN - 30 Jan 2007 08:41 GMT

>I bought a 99 Grand Caravan from a dealer about 6 months ago when
> the van had 58k miles. I didn't think much of it at the time but there
[quoted text clipped - 8 lines]
> by not investigating the problem myself first.
> ~Chris Clyne~

The first thing I would do is rotate the front tires to the rear, and the
rears up to the front. If the tire belts are getting bad it can sometimes
cause the steering to shimmy at low speeds. Rotating doesn't cost anything
if you do it yourself, and is a quick way to eliminate the tires being the
cause. We had the same problem on our 99 Grand Voyager recently and a new
set of tires up front solved it.

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Chris - 31 Jan 2007 05:50 GMT

Thanks for the reply- I'll try that this weekend.(It's still snowy here in
NY)
I'd still like to know how to get a look at that service bulitin. The shimmy
seems to get more pronounced during decleration and light throttle in 3rd
gear. I used to have a link to an automotive chain that allowed you to look
up service bulitins but I can't find the link
Thanks for the help
~Chris~
Carry on, Caravans

>>I bought a 99 Grand Caravan from a dealer about 6 months ago when
>> the van had 58k miles. I didn't think much of it at the time but there
[quoted text clipped - 16 lines]
> cause. We had the same problem on our 99 Grand Voyager recently and a new
> set of tires up front solved it.

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SRN - 31 Jan 2007 14:25 GMT

>. The shimmy
> seems to get more pronounced during decleration and light throttle in 3rd
> gear.

You originally said it happens at "low speed" which I interpreted as being
in first gear. If it happens at higher speeds (3rd gear) it's not as likely
to be bad belts in the tires. Maybe bad CV joints, bad mounts, etc.

>I used to have a link to an automotive chain that >allowed you to look
> up service bulitins but I can't find the link

Finding the TSB index for free is fairly easy. Getting a detailed summary
usually requires a subscription:

http://www.alldata.com/TSB/17/991790eM.html

http://www.aboutautomobile.com/TSBs.aspx

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hallerb@aol.com - 05 Feb 2007 02:23 GMT

> >. The shimmy
> > seems to get more pronounced during decleration and light throttle in 3rd
[quoted text clipped - 13 lines]
>
> http://www.aboutautomobile.com/TSBs.aspx

My 94 vibrates bad about 41 MPH only on acceleration.

Replaced both front tires and had new ones balaced, new front wheel
bearings and hubs, new front brakes and rotors, all 3 engine tranny
mounts replaced, rebuilt 1/2 shafts with CV joints.

Shimmy is still there perhaps getting a bit worse, if anyone has any
ideas I am all ears.

Short on cash I talked to a local tranny shop they will look at it but
sound as mystified as I am. 94 caravan with 3.0 about 100K miles

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hallerb@aol.com - 06 Feb 2007 00:41 GMT

On Feb 4, 9:23?pm, "hall...@aol.com" <hall...@aol.com> wrote:

> > >. The shimmy
> > > seems to get more pronounced during decleration and light throttle in 3rd
[quoted text clipped - 27 lines]
>
> - Show quoted text -

Its getting worse once ot breaks I will know what it is, but DONT want
event to cause accident

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