Vibration hopping bouncing in the rear end

Tiny
TRUDEAUG
  • MEMBER
  • 2005 DODGE RAM
  • 5.8L
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 146,000 MILES
I can drive up to 45 mph then this thumping bouncing happens in the rear. If I punch the gas it stops and a I continue to accelerate w/o any problems driving 70 mph on interstate no problems. It is just when I hit that 45 mark 5 10 15 20 30 40 50 60 70 no problem but I always have to punch it at 45 to stop the vibration and it not a minor vibration. It feel as though when I punch the gas one rear wheel is more powerful for that short people of time.
Wednesday, August 5th, 2015 AT 1:35 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,870 POSTS
The next time this happens, tap the brake pedal for a couple of seconds. If the vibration stops momentarily, it's caused by the lock-up torque converter. The chattering is caused by using the wrong transmission fluid.
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Wednesday, August 5th, 2015 AT 6:06 PM

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