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Car Forum / Ford / Ford Mustang / December 2006

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2007 Mustang GT Question

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Mike - 18 Dec 2006 04:05 GMT
I recently traded in my 2005 GT for a 2007 GT Convertible.

The car at light acceleration (not hard throttle) exhibits a shake like "a
dog wagging it's tail".  The dealer has confirmed the shake and are working
on correcting.

It doesn't display this under moderate acceleration and as the car has 800
miles on it, I've not floorboarded the pedal....yet

Does anyone have any idea what it might be?

I'm thinking possibly loose motor or transmission mounts

Thanks

Mike

PS I trust the dealer, they've always treated me fairly.
My Name Is Nobody - 23 Dec 2006 07:32 GMT
>I recently traded in my 2005 GT for a 2007 GT Convertible.
>
[quoted text clipped - 14 lines]
>
> PS I trust the dealer, they've always treated me fairly.

800 miles ???

When are you going to stomp on the gas???
Itsfrom Click - 23 Dec 2006 17:34 GMT
Sorry - can't offer a guess.......my 2006 GT convert doesn't have that
symptom.

But.....good fuel for discussion - how do you break-in a modern car?  In
Days of Yore, most people "babied" a new car for the first few thousand
miles........but I always heard that you shouldn't beat on a new car
(much, lol) but drive it the way you normally drive, and if that means a
fairly heavy foot, use it.

Opinions?
My Name Is Nobody - 23 Dec 2006 18:48 GMT
> Sorry - can't offer a guess.......my 2006 GT convert doesn't have that
> symptom.
[quoted text clipped - 6 lines]
>
> Opinions?

Well in the superduty pickup trucks they (Ford) says drive it normally for
the first 500 miles, then you can tow with it and drive it just like you are
going to drive it...
I guess some people NEVER floor it...
The design, machining and assembly processes are quit different today than
they were in the 60's.
I like the idea of "breaking in a new engine at all throttle positions, just
not getting their abruptly.  I'm on board with 500 miles before you start
roasting the tires or driving with only a two position throttle.  :-)
Ashton Crusher - 23 Dec 2006 19:44 GMT
>> Sorry - can't offer a guess.......my 2006 GT convert doesn't have that
>> symptom.
[quoted text clipped - 16 lines]
>not getting their abruptly.  I'm on board with 500 miles before you start
>roasting the tires or driving with only a two position throttle.  :-)

I like to go to 1000 miles before anything beyond how "normal" people
would drive is attempted so no full throttle starts or high speed
runs.  Then an oil change at 1000.  Both are probably unnecessary but
I like to keep a vehicle for at least 15 years so it's worth the
restrictions to me "just in case".
Ashton Crusher - 23 Dec 2006 19:47 GMT
>I recently traded in my 2005 GT for a 2007 GT Convertible.
>
[quoted text clipped - 14 lines]
>
>PS I trust the dealer, they've always treated me fairly.

It doesn't fit exactly but the only time I had a car with a "dog
wagging its tail" feeling it was due to tread wiggle on the tires.  If
the tread gets miss-aligned a bit during manufacture it will make the
car waddle at low speeds, usually most pronounced between about 5 to
20 mph.  When I replaced the tires on that car the problem went away.
I suppose you could have a bent rim but in my experience a bent rim
was a lot less noticeable then the tire waddle.  Try rotating your
tires front to back,most likely only one or two of them are defective,
if any are.
66StangMan - 28 Dec 2006 02:34 GMT
> It doesn't fit exactly but the only time I had a car with a "dog
> wagging its tail" feeling it was due to tread wiggle on the tires.  If
[quoted text clipped - 5 lines]
> tires front to back,most likely only one or two of them are defective,
> if any are.

I have to agree with you on this one. If he is feeling it in the seat of the
pants only, then I'd have to say it's more than likely one of, or both the
rear tires. If he's feeling it in the steering wheel, then it would have to
be one or both front tires. If he's feeling it in both locations, then I'd
be looking elsewhere.

66stangman
 
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