vibration 2004 f150 quad cab 5.4L at idle i can feel a little bit of vibration i was thinking maybe due to the airconditioner while driving around vibration disapears. Could be a bad motor mount!
...feel this vibration in the steering wheel when the airconditioner is on, it starts at 45mph 55mph 65mph but when the airconditioner is off there is no vibration It would have to be compressor
...car jerks when in motion and when the airconditioner comes on it starts to vibrate Sounds like a regular cylinder miss. Is the check engine light on ? Its also possible you have a pulley or something ...
Recently had to rep[lace airconditioner belt because it broke due to age and since belt replacement every time air is running thee is a HORRIBLE squealing and vibrating noise that was not there prior ...
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