Interior mirror vibrates
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Fleet Owner
Joined: Dec 2000
Posts: 25,361
Likes: 5,375
From: Central PA
Interior mirror vibrates
The interior rearview mirror in my 54 vibrates at speeds higher than around 50mph. The mounting screws are tight and there doesn't seem to be any looseness where the arm attaches to the head.
How can I prevent this? And don't say drive slower! The mirror in my 55 doesn't vibrate at any speed.
How can I prevent this? And don't say drive slower! The mirror in my 55 doesn't vibrate at any speed.
Cargo Master
Joined: Aug 2015
Posts: 2,072
Likes: 100
From: Marana, Arizona
Mine vibrates as well but, I noticed it's related to engine RPM and not speed. I'm thinking my engine isn't balanced very well. Ross thinks clutch not balanced. I wont know for sure until I rebuild my engine.
Good luck Abe, I hope you find the answer.
Good luck Abe, I hope you find the answer.
Fleet Mechanic
Joined: Oct 2011
Posts: 1,891
Likes: 103
From: Birdsboro PA
Mine vibrates pretty bad in my 48. I dont know if the later trucks are the same, but the header panel on the bonus builts doesnt really have any support at the top. The whole panel vibrates because of this. I was thinking of adding a brace or something behind it to steady it a bit.
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Logistics Pro
Joined: Jun 2010
Posts: 4,962
Likes: 261
From: East KY
Mine vibrates pretty bad in my 48. I dont know if the later trucks are the same, but the header panel on the bonus builts doesnt really have any support at the top. The whole panel vibrates because of this. I was thinking of adding a brace or something behind it to steady it a bit.
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Logistics Pro
Joined: Nov 2006
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From: Fallon,NV & Bainbridge OH
As said it is usually a vibration issue from engine (which includes clutch assembly) or drivetrain (which includes tires). If there is no vibration introduced the mirror won't vibrate. Start with simple fixes like tires and go from there.
Thread Starter
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Fleet Owner
Joined: Dec 2000
Posts: 25,361
Likes: 5,375
From: Central PA
Thanks for all the tips and suggestions. It has been vibrating for a long time, probably going back as far as 1999 after the truck was apart and fixed and painted. So it was vibrating back when I had radial tires on.
Cross-Country
Joined: Nov 2009
Posts: 90
Likes: 1
I have a 67 Camaro that I have the same issue with .... if got a LOT of money invested in chasing the problem .... wheels , tires , ujoints driveshaft trans mount , motor mounts , even checked to make sure exhaust wasn't rubbing somewhere .... at the end of last year I just replaced the clutch PP throwout bearing and had flywheel balanced plus upgraded to front disc brakes but haven't got to get a road test yet so we'll see if any of that may have helped ..... Also I had others mention it could be a wheel bearing or brake drum that could also be a cause.... good luck
Thread Starter
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Fleet Owner
Joined: Dec 2000
Posts: 25,361
Likes: 5,375
From: Central PA
I'm not going to go through all that for just a vibrating mirror. I feel no shimmy nor shaking in the truck. My steering wheel does not shimmy. When it vibrates at high speeds and I need to see behind me I just put my finger on it to stop the vibration.
Thanks for the help... But it's good to know I'm not the only one with the problem.
Thanks for the help... But it's good to know I'm not the only one with the problem.
