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Old 03-08-2010
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Icon5 odd vib when acelerating

Yeah idk what it is but i just a deep through the floor and steering wheel vibration when i acelerate. It is consistant with rpms so its engine related. It started yesterday after i drag raced my brother with his f150...

Also the pinion seal is shot on the front diff, i want to drop it down and replace the fluid. how hard is it to drop the front diff?
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Old 03-08-2010
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You could have spun the harmonic balancer,or worse broke a piston crank or cam
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Old 03-08-2010
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and technically there is no way of finding this out right?
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Old 03-08-2010
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Does is still do it when you let off the gas? like does it slow it down at all?
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Old 03-08-2010
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if i let off at around 60 it does it for a lil then goes away... but i was idling and rev'd it to 2500 and i felt it viberate... and its not a wicked omg vibrate, its just where i can hear a different tone in the engine like its deeper and i feel a slight fast vibration.
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Old 03-08-2010
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My engine vibrates more at 2500 rpm and the tone is a bit deeper. It has done it since I got it, it just seems to be rough in that rpm range.
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Old 03-09-2010
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could it be worn enigne mounts????
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Old 03-09-2010
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Don't these engines have a balance shaft? I had a Honda that lost the "B" belt, balance shaft. Engine ran fine just wasn't as smooth with out it. Found it doing a timing belt replaced it and it was so smoooth when running I tried starting it while running a couple of times. Learned to look at the tach to tell if it was running.
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