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Vibration when accelerating

I have a 2002 dodge ram slt 4.7 v8. when I accelerate and hit about 3000 rpm I can feel a vibration in the pedals and seat. a couple days ago the dealer had to replace a waterpump, radiator, and fan because they installed a faulty water pump and that caused the fan to snap and fly out the bottom of the truck. after I got it back I can still feel the vibration so I don't think it has anything to do with that. any ideas?

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  • 103 Answers

A vibration when accelerating is almost always related to drive train. Check the U-joints to make certain that the bolts are in place and snug. If so, then pull the axle and manipulate them, just don't let a caps fall off. If it does, you will probably have to replace the joint.

Posted on Jul 17, 2017

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6ya6ya
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Posted on Jan 02, 2017

  • 23 Answers

SOURCE: 2004 dodge ram is over

Water pumps can stall out, but do you have air trapped in system.
Had you recently had the system "open" to replace hose, thermostat, temp sensor. Some Ford and GM have a bleeder screw on a high point in cooling system to bleed out trapped air.

Check your trans fluid color. Since the trans cooler is built into radiator (automatics)

IF the engine is overheating the trans CAN overheat
IF the trans is overheating the engine CAN overheat

They share the same cooling source and trans fluid gets hotter than oil, but yet it has a wimpy cooler built into radiator. Maybe add trans oil cooler to system.

Also outside temp affects the cool down rate of the radiator, ie...hot air trying to cool down hot radiator/engine is less effecting than cool air cooling hot radiator/engine

Posted on Aug 06, 2008

  • 31 Answers

SOURCE: overheating dodge ram

dodge tends to run at about 200dg. i have a 97 with a 318 and this hs been its normal temp since it was new . if it is truly over heating and if the warepump is bad you shoul see water leaking from the bottom of pump . hope this is helpfull

Posted on Dec 12, 2008

awcforever
  • 359 Answers

SOURCE: Vibration on the floor underneath gas pedal

I would venture to say your exhaust is hitting your frame, or, you may need new motor mounts. The exhaust is what I would lean toward. If you can imagine your exhaust sitting under your vehicle, and the fact that the vehicle has a little age, the motor mounts probably give a little, causing the motor to move slightly on acceleration and deceleration, thus your exhaust is going to move, and may be vibrating on whatever its touching. Good luck.

Posted on Feb 25, 2009

  • 3 Answers

SOURCE: 2004 dodge ram 4.7 liter v8 overheating after

I have a 2004 4.7 dodge ram that the coolant gauge goes to 3/4 when towing my bass boat in the afternoons on hot days,I had the water pump replaced because it was wobbling at the pulley,covered under 7/70 power train.Acouple of weeks later towing again had the same problem,the turn on the heater and all is well after 2 to 3 minutes,replaced thermostat and saved and re-used coolant dealer put in and problem still there.At this point I contacted the techs at the dealer and talked with them and we all agreed radiator.Removed the radiator and took to rad shop and had it checked,found radiator plugging up,Now as to why.The antifreeze that chrysler uses is a HOAT type antifreeze,hybrid organic acid technology,with silicates and friction modifiers,this antifreeze CANNOT BE USED WITH TAP WATER OR WELL WATER OF ANY KIND,as it states in the owners manual.Only 1 dealer in this area apparently knows this but this is not the dealer that i took it to.The silicates in this antifreeze when mixed with the wrong water type will seperate and and become heavier and then start to gel and plug the passages in the radiator.This truck only has 46,443 miles on it and mostly used just to tow the boat.Hope this helps everyone else with this problem.Will be contacting Chrysler about this and the improper repairs that are being performed at their dealerships.Lester Atkins.tatkins8@cox.net.

Posted on Sep 09, 2009

  • 103 Answers

SOURCE: as accelerating, engine hesitates,back off gas

try a new one or try fuel filter

Posted on Jan 02, 2010

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