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I have a 2004 Chrysler Pacifica. Every time I push the accelerate there's a whinning or humming noise. A co-worker told me that I might have bearings in the alternator. What do you recommend?

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COULD BE MANY THINGS LIKE ALTERNATOR - WATER PUMP AND POWER STEERING PUMP.

Posted on Jul 10, 2010

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Posted on Jan 02, 2017

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Driving a good distance car makes a whamming sound the more Itry to accelerate the speed decreases whinning louder only stops whinning when I pull over to let the car cool down


Have your wheel bearings checked, when a wheel bearing is going bad it hums louder as you accelerate, when you stop or slow down the sound stops. A bad bearing does that, it over heats due to it not having enough grease on the bearing and will hum as you drive and get louder as you accelerate.

Jun 07, 2015 | 2011 Dodge Caliber Mainstreet

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2004 Chrysler pacifica, 3.5 How to Tell if your Alternator Bearings have failed or bad harmonic balancer making a loud noise that gets loud upon acceleration.


with the alternator use a long handled screw driver and place the end on the case of the alternator and cup the handle over an ear
grumbling sounds are bearings
for harmonic balancer check the rubber in the balancer and if it is shiny replace the balancer.

Mar 13, 2015 | 2004 Chrysler Pacifica

1 Answer

2004 chrysler pacific will start sometimes but sometimes won't


I would suspect the fuel pump is the problem, it may be sticking at times and this causes a no start. The pump is located inside the fuel tank and it is electric.

Mar 28, 2017 | 2004 Chrysler Pacifica

1 Answer

When I accelerate on my 2004 Pacifica, I hear a humming noise. That's the best way I can describe it. It's not very loud, but it's been very noticeable here recently. There is also some...


if you have front wheel drive, have the CV joints checked, they begin by humming when they start to go bad, and as that gets worse they click loudly when turning , as far as the oil leak,, its best to have the vehicle raised and inspected while its in the air to limit where the leak may be coming from, one easy way to get this checked, is to take the vehicle to a oil change place, and while its either over the pit, or up on a lift, ask them to do a visual for any leaks , and get your oil changed at the same time,

Sep 23, 2011 | 2004 Chrysler Pacifica

1 Answer

Whinning/humming noise on front end


you have a wheel bearing going out. see if it gets quieter if you turn one way or the other that will tell you what side it is on

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2 Answers

Scratching Noise


Spray some WD-40 on the pully where the belt rests on the pully while the engine is running and the noise will go away, also make sure the belt is tight enough around the pully, if it is loose then tighten it

Nov 27, 2009 | 2004 Chrysler Pacifica

1 Answer

Large humming noise coming from front every time the car is started and accelerate


Hub bearings are binding. you need to have the car put up into the air. Have someone put it into drive get it to 55 mph to pinpoint which bearing is noisy. A binding wheel bearing can cause unwanted stress to the driveline. hope this helps.

Jun 30, 2009 | 2004 Chrysler Pacifica

2 Answers

I own a 2004 chrysler pacifica. when i accelerate i hear a noise like you just went over a small bump or hill in the front drivers side. could you tell me what that is and how much it is to fix. thank...


you need to get the motor mounts changed as i had the same problem before....two of them had broke so anytime my car accelerated or slowed down the transmission going through its gears would cause the motor to jump....i would recommend taking it to a mechanic

Jul 25, 2008 | 2004 Chrysler Pacifica

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