This noise will sometimes start upon starting car or minute I go to put in reverse. it will just start screaming when driving. If I rev the engine like when your at a stop and you rev the engine as if your going to race a car then it will stop. any ideas . we are replacing air suspension compressor as it too makes awful sound just not even as loud as this noise. what does this could it be the air box for emissions::
Power steering fluid is low. If that is ok then you have a bad water pump or power steering pump.
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.
SOURCE: Car makes funny noise upon starting on very cold days
Have your power steering belt checked and adjusted, or replaced if worn.
SOURCE: where is air suspension compressor located on '94 lincoln towncar
engine compartment, driverside fender well
SOURCE: When starting up the Kia, screaming belts sound is heard
Hi. This might sound obvious but it isn't just the alternator belt requiring adjustment or replacement is it? Sounds very much like it from your description. Forgive me if youv'e already ruled that out.
SOURCE: My 2003 Lincoln Navigator air suspension
My 2003 Lincoln Navigator has given me so much problems, it shakes, makes annoying sound, and sometimes it turns off by itself when I'm in a stop sign or red light! I have taken it to 3 different mechanics who have said that the diagnostic shows that it's not gettting furl? They've tried changing spark plugs, gas filter...any suggestions?
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