First Generation Firebird-L Mailing List
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Naw!
I wore my Firebird seatbelts from the first day I sat in the driver's seat
at 16 years old in 1968 with my learner permit. Seatbelts save your ass, but
they don't cause vibration in your butt. And it sure don't shake the
dashboard. Shaking dash is on a Yugo when the A/C turns on, not on a bird.
Daniel's remarks later of vibration and a sweet spot.... and Also some
issue with clutch chatter. I think there is a hurried clutch repair in the
past. All the work should be checked over. The flywheel needs to be balanced
for a Pontiac, not a generic piece.
Chatter comes from bad throw-out, oil contamination, checked pressure plate
or flywheel etc. I had a zoom clutch in my bird and it never chattered. It
was either engaged or disengaged, but no chatter. I would guess that with the
vibration, there is oil from the rear main seal or the transmission seal on
the clutch causing chatter. Don't overlook the transmission seal. I burnt one
up getting out of snow drifts once. I replaced the main seal twice and finally
figured out I had burned the transmission seal. It only takes a few drips of
oil to cause chatter. I let the chatter go so long that all but one or two
spines to the disk were broken and missing. At that point, it was about
impossible to start from a stop sign, but the truck would still go.
The flywheel gets heat checks really easily. some need to be replaced with
new, rather than resurfaced. It would need to be balanced for an external
balanced Pontiac crank, not a generic flywheel.
I think there is a rush job in the past with wrong parts. I would not let it
go. Vibration like this is not how Pontiac shipped the car. It can be fixed.
Larry
stu <[EMAIL PROTECTED]> wrote:
First Generation Firebird-L Mailing List
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First, you should take all the belts off and see if it still vibrates. I
may just be a bad fan or other belt driven accessory. The
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