[ROVERNET - UK] tc shimmy problem solved

Carter, Jonathan L. M.D. carter.jonathan at mayo.edu
Sun Sep 10 23:33:13 BST 2006

I've had several experiences where the belts have started to separate on a tire, leading to a shimmy that starts at a certain speed and then gets worse and worse at slower speeds as you drive along. My last experience driving over to Albuquerque from Phoenix was almost a disaster when the entire tread on one of my front tires separated suddenly after a shimmy like you describe. Fortunately the tire didn't blow at the same time. There is a code on the sidewall of the tires that tells you when they were manufactured (at least in the US), and any tire store can help you decipher it. I've decided to replace any old, weather-checked tires before any major road trips after my last harrowing experience!

-----Original Message-----
From: rovernet-bounces at lyris.ccdata.com [mailto:rovernet-bounces at lyris.ccdata.com] On Behalf Of Larry
Sent: Saturday, September 09, 2006 6:25 AM
To: rovernet at lyris.ccdata.com
Subject: [ROVERNET - UK] tc shimmy problem solved

Thanks to all who replied to the shimmy problem. I would have bet a Tasmanian beer, a Perth beer, a cellar chilled Birmingham beer and a cold MGD that the problem was in the steering. I jacked up the rear end and put it on jack stands. To check the rear end first. I have been having problems with a vibration in another tc. I started the engine and put it in gear and let out the clutch. I jammed a large dowel in between the gas pedal and the seat and in third gear ran it up to 2000 rpm. I then got out and looked at the rear tires. The left tire was out of round at least 1 inch or even more. 
The wheel was running straight. The only thing that I can figure was that the tire finally gave way at the specific time that I was slowing down and possibly it had been working on breaking down for some time. It was a Cooper tire and I don't know old it was. I changed the tire and test drove it and problem solved. Has anyone experience this before? Again thanks for the response to my shimmy problem. Larry 

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