Question about 2003 Lincoln Town Car

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Why is there a humming noise in the rear end?

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Willie Cooper

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Axel bearing most likely passenger side

Posted on Jun 11, 2021

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Anonymous

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SOURCE: 96 lincoln town car- loud humming noise

I had experienced the same problem with my 93 TC. I'll try to make it short. Replace the Idle Control Valve. Cost me $50 at AutoZone. It has a electronic plunger that has a rubber o ring on the end of it. It separates two air chambers inside the valve. When the rubber gets old and the plunger is suppose to cut off the air coming in from one chamber to the other, the air gets sucked between the chambers across the old rubber causing the humming noise. That is also why the engines revs up and down and wont idle right. It is located between the firewall and the back of the motor just to the left (drivers side) of the throttle control assembly. When you look up on the internet on how to replace it, it will tell you to remove all the housing surrounding the wiper blade control arms and assembly so that you can access it. If you take your time, just remove some of the hoses and wires connected around it and you can access it without removing all that ****. Only has two screws to it that point up and can be reached with a ratchet and extension. Car runs great now and finally got rid of that noise.

Posted on Dec 02, 2008

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tripletauto

TripleTauto

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SOURCE: 2003 Altima rear end noise

it is either a tire or you have a wheel bearing going bad. sounds like a bad bearing. you can usually narrow down side by driving and turning the side that is bad will get louder when weight shifts to that side and quieter when weight shifts off

Posted on Dec 08, 2008

Anonymous

  • 1 Answer

SOURCE: 2004 Lincoln Town Car Rear passenger side wet carpet

I had the same problem in my Lincoln Town Car about a year or so ago. Here is what the problem was. There are a couple of air ducts at the back of your hood (top of firewall just below the base of your windshield wipers anchor points) These ducts are located one on the driver and one on the passenger side. Each of them has a little gate at the opening. The gates on my car were clogged with leaves and debris, thus causing water to flow over the ducts into the passenger compartment of the car. These ducts must be cleaned out so the water can flow through them and down to the ground instead of overflowing due to clogging.

Posted on Sep 09, 2009

Anonymous

  • 617 Answers

SOURCE: just had car dealership repair 1997 lincoln town air ride

Those Lincolns are notorious for that,I'd just get a set of coil springs out of a Crown Victoria cop car(junk yard)and swap them out.Done it many times,you can do it in about an hour,and they'll never leak down again.By the way,there's some O-rings in that system.Make some soapy water and spray every connection,just maybe you'll get lucky.

Posted on Nov 10, 2009

Anonymous

  • 82 Answers

SOURCE: 99 lincoln town car air suspension compressor

the compressor is in the left front fender behind bumper cover, there is a retrofit kit to go to hard coils, only like 130 bucks..... best bet some one prob charge 50 bucks to install and prob solved easily

Posted on Jan 20, 2010

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Humming noise in rear end

It sounds like you have a bad wheel berring in the rear, but they are a sealed unit, with no where to grease them. If you want to quiet it, you need to replace it, but first i would reccomend jacking it up on the wheel you believe to be making the noise and spin it and shake it, just to be certain it is the one you want to replace.
Good luck
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