First Generation Firebird-L Mailing List
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Dan,
Can you feel the car vibrate in neutral, or does it only occur when
the car is in gear? Do you have an auto or manual trans, and does the
vibration only occur in certain gears? Does the vibration occur at idle,
or only when the engine is revving? There should be no vibration in your
car. If the vibration is bad enough that you are worried about bolts
loosening, then replacing the seats is not what you need to do.
Depending on the answers to the above questions, there are several
things you need to check. If the vibration only occurs when you are
driving, then have the u-joints and driveshaft checked and balanced. If
it happens at idle, check the motor mounts and transmission mount. If
it happens in gear, it could be something in the trans or torque
converter. If it happens all of the time, see if your body bushings are
shot. I assume that since you have taken it to a shop that they checked
the obvious stuff, like an exhaust pipe or muffler resting on the body
somewhere, but I would look for this as well. I'm sure there are other
things to look at, but these come to mind right off.
Chris R.
69 Conv 350
69 Conv 350HO
-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Daniel O'Brien
Sent: Thursday, May 29, 2008 11:48 AM
To: First Generation Firebird-L
Subject: [FGF] General vibration and buzz
First Generation Firebird-L Mailing List
........................................................................
.
My FB with the 400 motor brings a lot of vibration and buzz through
the seats, steering wheel, gear shifter, etc. It's nearly comparable
to a motorcycle. This buzz is starting to affect the nerves in my
lower back, giving me a prickling sensation when I drive.
The car came with cheapo "Racing" bucket seats, $129 at Pep Boys. I've
modified the driver's seat with a gel pad, but the buzz is still too
intense.
A new pair of "real" Firebird seats is $1359 at The Paddock. This is
out of my price range, but would "real" seats make a difference in
reducing vibration?
Anyone else have a lot of vibration in their car? Is there perhaps a
way to rubber-mount the motor or something like this? I'm a little
concerned that the level of vibration could even knock something loose
over time, so I'm careful to make sure that bolts are tight on a
regular basis.
I've been relying on this list a great deal. There's no one in my neck
of the woods who understands this car, not even the mechanics I've
worked with over the plast year. All your comments are gratefully
received.
Thanks,
Dan O'Brien
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