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Vibration - some possible causes

1147 Views 10 Replies 7 Participants Last post by  crashtest
I don't know if it's just me, but for some reason today I thought my car's steering wheel was vibrating more than normal. I would not really feel it in the car, just the steering wheel and a little bit on the pedals.

Is it normal to feel any vibration in the steering around 60mph? Or should it be completely smooth?

It snowed in the morning, so I thought maybe some snow got in the wheel well or tire, but the roads have been clear and I still got some vibration around 60mph, and sometimes at around 30mph too.

I know my rear flex disk is a little bit cracked, could that possibly cause some vibration? It's very minor. I also got motor and transmission mounts in recently, possibly they were not put in 100% tightly?

Any ideas would be welcome, I know vibrations are a common question and hard to diagnose!
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I have the similar problem with my 1999 E320. There is a slight vibration on every 10-20 or so seconds while the car is at a stop light. During driving there's no issue, it smooth as new. I took it to the shop. They investigate (checked by stepping on break and revving the engine) and ruled out engine mount. They suspect Transmission mount which they changed. But the vibrations still persist. I them added fuel injectors cleaner - Still same vibrations issue.

I open the hood to listen at the engine at idle. There are no vibrations but I do hear a hissing sound on the driver side. Not sure what that is or whether it was there all along.

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