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I recently bought an 03 F250 with 6.0 diesel V8 and 108k miles. At first it was only shaking around 65 mph so I figured it was just the tires and I was ok with that because I need new ones anyway.
Now, it is shaking and acting like its not getting gas or a not working on all cylinders whenever I accelerate in any gear. When i hit 50 mph or 70 the whole car shakes pretty good. It seems to shake the most right after it switches to a higher gear and just coast at that same speed.
My friend thinks this could be bearing issue. Anyone else have this problem?
Welcome to FTE. I'd say the first thing to do is figure out if it's a motor or driveline shake. If you get up to speed and take your foot off the accelerator or just pop it into nuetral, does the shake go away?
Your friend was probably referring to a carrier bearing. Those can cause vibrations when they go. That carrier bearing is the thing between 2 driveshafts that couple them together.
Is your check engine light on? Can you notice a miss at idle or just at speed? Will revving the motor in park and holding it at 2000 rpm's produce the same shake?