C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

rear view mirror rattle

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Old Jun 27, 2005 | 01:58 PM
  #1  
dbriana's Avatar
dbriana
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Burning Brakes
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From: SHREVEPORT LA
Default rear view mirror rattle

I have a '91, with the windows down unless road is perfectly smooth, I can hear a rattle/vibration noise from both rear view mirrors. Its consistent but slight noise. Is this normal? Is there a fix or an adjustment? And when shutting doors always hear the mirror hit. Thanks
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Old Jun 27, 2005 | 02:28 PM
  #2  
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From: SE NY
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It is NOT normal.

The mirror is held onto the motor by a trunion; if you tilt the mirror inward & down you can get a finger or screw driver behind the trunion and pry it out to release the mirror.

Then examine the two motor retainer screws; if not snug, tighten them to stop the rattle. If they are snug, replace the trunion; MAM has them I believe.
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Old Jun 27, 2005 | 03:25 PM
  #3  
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Steel Blue 91
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From: Alive and well in Burlington NC
Default

Originally Posted by 65Z01
It is NOT normal.

The mirror is held onto the motor by a trunion; if you tilt the mirror inward & down you can get a finger or screw driver behind the trunion and pry it out to release the mirror.

Then examine the two motor retainer screws; if not snug, tighten them to stop the rattle. If they are snug, replace the trunion; MAM has them I believe.
I had the same issue with mine. I did as 65Z01 suggested and it eliminated the worst of the rattle. I also rerouted the harness inside the mirror (it was hitting the inside of the mirror) to take care of the rest of the rattle.
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Old Jun 28, 2005 | 01:01 AM
  #4  
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JCAIRE2
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From: High Plains Drifter Fayetteville, AR
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Could also be the mirror housing rattling against the door. Remove the door panel and use a ratchet and extension to snug up the mirror mount bolts.
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