Humming noise under van
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Humming noise under van
Hope someone can help. A friend just bought a 1995 Aerostar and it makes a rather loud humming noise under the van. There doesn't seem to be anything wrong with the van, but the noise does raise concerns. It is always there, ranging from low at idle and increasing with acceleration.
Thanks,
Friend
Thanks,
Friend
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From: Detroit Subs
Re: Humming noise under van
Originally posted by OwnersFriend
Hope someone can help. A friend just bought a 1995 Aerostar and it makes a rather loud humming noise under the van. There doesn't seem to be anything wrong with the van, but the noise does raise concerns. It is always there, ranging from low at idle and increasing with acceleration.
Thanks,
Friend
Hope someone can help. A friend just bought a 1995 Aerostar and it makes a rather loud humming noise under the van. There doesn't seem to be anything wrong with the van, but the noise does raise concerns. It is always there, ranging from low at idle and increasing with acceleration.
Thanks,
Friend
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Same in Neutral. Sounds more like something related to engine/exhaust. I thought maybe catalytic converter or something like that. Again, its only conerning because it is loud and the vibration in the van is always there.
Thanks.
Thanks.
Postmaster
Joined: Sep 2003
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From: Southern California
Take it to a muffler shop and have them raise the van up. Then you can listen to determine where the noise comes from. They usually won't charge anything. But even if they do, it's minimal.
Good luck
Good luck
Postmaster
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It not uncommon for the heat shields on the exhaust system to become slightly loose on their mountings and cause a buzzing or rattling sound. Often, the shields pick up small stones or other road debris and this vibrates around causing similar noises.
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UPDATE:
Thank you all for your replies.
I got a good listen to the noise last night and have some more information. It seems that the sound comes from underneath the vehicle, perhaps near or from the gas tank. The noise is constant in it's volume and pitch. I was wrong yesterday when I said it increases with accelleration. Leads me to think perhaps it is the fuel pump.
It is pretty loud so my question is, if it is the fuel pump, does that mean it is going bad and should be replaced?
Any help at all is greatly appreciated.
Friend
Thank you all for your replies.
I got a good listen to the noise last night and have some more information. It seems that the sound comes from underneath the vehicle, perhaps near or from the gas tank. The noise is constant in it's volume and pitch. I was wrong yesterday when I said it increases with accelleration. Leads me to think perhaps it is the fuel pump.
It is pretty loud so my question is, if it is the fuel pump, does that mean it is going bad and should be replaced?
Any help at all is greatly appreciated.
Friend
Postmaster
Joined: Apr 2001
Posts: 3,818
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If the sound is a constant high pitched hum, it is the fuel pump - a common noise on these vans. Even new pumps make that noise so no, the presence of noise is not indicative of impending failure.
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From: northern mn
ownersfriend
I wouldnt worry about the noise mine does it also I have 245000
on my van and it has done it ever since I can remember.
I wouldnt worry about the noise mine does it also I have 245000
on my van and it has done it ever since I can remember.
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Post Fiend
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From: Sarnia, Ontario, CANADA!
I had the same problem on my old 89 Aerostar. When I got to about 3/8 of a tank of gas it would start making noise. I only had the van a year and it did it the whole time I had it. Never failed........
-Matt
-Matt
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replace fuel pump because it has a short, this guy wasnt so lucky, ended up drivin 200 miles at 15mlph, it finally quit in the driveway. if you plan on keepin the pump dont travel too far, unless you own a new pair of sneekers.
Senior User
Joined: Feb 2004
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From: northwest
my 91 had a realy faint, high pitched EEEEEEEEEEEEEEEEEE sound from the rear, while idleing, reving, anything, never changed, so faint I couldnt hear it from inside. never did find out what that was. It was once suggested that it may be a vacuum line. had tha van for 2.5 years, nothing in the rear ever failed, so I dunno!
