Finally got the truck to the alignment shop in my bid to eliminate items
one by one. Called them just now and the vibration problem was that when
the rotors were last off (at the dealer) a chunk of rust was left lodged
between the rotor and the bearing hub. As you could probably guess this
doesn't really help the alignment. That's cleaned up and the brakes are
next (Hawk HPS pads are a little backordered). Of course if the brake
pads had come in on time, I would have found this myself.
This after I ran the truck 1200km last week while on vacation, hating
almost every minute in it.
Rob
Rick Barnes wrote:
> Could it be the shocks? When you lift the truck and the front end drops, it
> allows full travel of the shocks...just a guess..gotta think about that one.
>
> Rascal
>
> -----Original Message-----
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Robert Schultz
> Sent: Wednesday, July 19, 2006 10:42 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: DML: Help needed to find vibration
>
>
> Everyone:
>
> For the last three months or more, I've had a bad vibration or shimmy in
> my 00 QC 2WD. The vibration is felt through he steering wheel and at its
> worst the steering wheel moves up to 1/2" each way. It's bad enough that
> I really don't like driving the truck right now.
>
> I really started to notice it when I put new tires on the truck after
> the winter and initially thought it was the tires. They've been
> re-balanced and there doesn't seem to be anything wrong with them. As a
> test I switched back to the winter tires (235/75/15) on the front and
> the shimmy was reduced, but not gone. I suspect this is because the
> winter tires don't follow the road as well. The summer tires are Khumo
> Ecsta 255/50/17. These tend to tramline much worse, and the shimmy is
> worst when the road surface is poor. My theory is stiffer sidewall =
> more of the problem transmitted tot he steering wheel.
>
> I had the truck in to the dealer and they checked the balance (again)
> and replaced the lower ball joints (uppers done last year). The truck
> was aligned last year after installing the Hotchkis 2" drop.
>
> The odd thing is that every time we lift the truck to change the tires,
> the shimmy is reduced, and then returns. For instance, I jacked up the
> truck today just to check things, and then on the way to the dealer it
> wasn't too bad until I hit a depression in the road that compressed the
> suspension. Then the shimmy was back full force.
>
> I'm at a loss. It's going back in Monday to see what they can find.
>
> Any ideas would be greatly appreciated, so when the dealer blames the
> tires (aftermarket = bad) or the Hotchkis suspension (modification =
> bad) I have something to tell them.
>
> Thanks,
> Rob S.
> ..
> ..
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>
>
>
> ..
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