VXOC Astra-J/GTC

Full Version: Vibration and knocking at idle
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Ever since I got my 1.6vvt it vibrates when its hot quite heavily I can feel it in the seat and the steering wheel, plus it knocks for a second or so everytime i stop completely or change from d to r and vibration increases also when ac is on I only did 8500 km its brand new. Dealer told me its bad fuel even though I only use 92 octane from trusted stations. any ideas?
I would get an interdependent grage to look at it mate