dash noise
01-17-2018, 05:36 PM
#1
Cruising
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dash noise
2007 C6 3LT conv. Have bad vibration in dash when I hit 60 mph. and up when the weather is cold. Will not do it in warm or hot weather. It will also stop the noise when I drive it a while. Only in cold weather. Any thoughts.
01-17-2018, 05:41 PM
#2
Race Car Tech
It sounds to me that it could be a front tire issue, either low on air, or out of balance. Are you running GY F1's by any chance?
01-17-2018, 05:50 PM
#3
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01-17-2018, 06:46 PM
#4
Safety Car
There is a known issue of the windshield cowl not sealing up against the windshield and at freeway speeds it causes vibration. The cowl can warped and allow the airflow to go in between the windshield and cowl and vibrate.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.
Last edited by Mike's LS3; 01-17-2018 at 06:47 PM.
01-18-2018, 08:47 AM
#5
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There is a known issue of the windshield cowl not sealing up against the windshield and at freeway speeds it causes vibration. The cowl can warped and allow the airflow to go in between the windshield and cowl and vibrate.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.
THANKS
05-07-2018, 06:01 PM
#6
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2021 C6 of the Year Finalist - Modified
05-07-2018, 08:15 PM
#7
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Dash noise
It was cool vibration so I took 3/4” wide rubber tape and ran from one side to other looks factory seal no more noise can,t tell tape is there. Thanks for the help I really have a hard time learning this website. Just give time.
05-07-2018, 08:18 PM
#8
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Cowl noise
There is a known issue of the windshield cowl not sealing up against the windshield and at freeway speeds it causes vibration. The cowl can warped and allow the airflow to go in between the windshield and cowl and vibrate.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.
Use masking tape and tape down the cowl onto the windshield and see if that stops it. If so, the cowl is warped.
Preferably, replace the cowl or poor man's fix is to apply a clear sealant in between the cowl and windshield.