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Vibration > 65 mph

3K views 4 replies 2 participants last post by  mmain 
#1 ·
Having cured various vibration problems at lower speeds through injector cleaning and replacing EGR valve, PCV valve and the MAP sensor, which made a tremendous improvement and made the ride considerably smoother, I still have a vibration problem above 65 mph. At around 65 – 70 mph it manifests as a vibration which causes anything in the rear view mirror to appear fuzzy (incidentally side view mirrors are fine), but then in the 70 – 75 mph it is smoother agian, whilst above 75 mph the vibrations are harshest.


Does the front driveshaft sound a likely culprit given above? I should also mention that I have replaced the tyres and rims over the last few years and numerous balancing and alignments so less inclined to think there is any problem in this area.


Thanks
 
#3 ·
Thanks Benn0,

I should have mentioned in my posting that I have a 2005 WK 5.7 Hemi 4x4, although the Hunter Road-force machine referenced in this TSB would presumably eliminate the tyres and rims from any doubt?
 
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