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  #1  
Old 03-12-2009, 07:23 PM
staudy staudy is offline
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Join Date: Aug 2007
Posts: 8
humming noise from engine for 15 minutes after shut off.

After a 20 mile trip the noise was like a humm and felt like it was coming from the top of engine below the main cover with the T Bird logo. Maybe an injector solenoid??? It wasn't in front by the elec fan. 2003 with 30k.
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  #2  
Old 03-14-2009, 10:26 PM
z06bigbird z06bigbird is offline
 
Join Date: Aug 2008
Posts: 29
Quote:
Originally Posted by staudy View Post
After a 20 mile trip the noise was like a humm and felt like it was coming from the top of engine below the main cover with the T Bird logo. Maybe an injector solenoid??? It wasn't in front by the elec fan. 2003 with 30k.
Wild @ss guess: bad gasket on thermostat housing??
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  #3  
Old 06-21-2009, 10:49 AM
AnniversaryBird AnniversaryBird is offline
 
Join Date: Jun 2009
Location: Central Florida
Posts: 5
Quote:
Originally Posted by z06bigbird View Post
Wild @ss guess: bad gasket on thermostat housing??
Pull the cover off and investigate..... My Expedition does the same thing everytime we drive it and it is the purge valve for the evap system.
It doesn't hurt anything if that is what it is..... it's Just bleeding off excessive tank pressure.
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  #4  
Old 06-29-2009, 10:40 AM
alexfergwan alexfergwan is offline
 
Join Date: Jun 2009
Posts: 8
hello,

it could be a many things, but here is some obvious reason:

1. if your engine was smoking, thats a bad sign and overheating the engine that much can ruin your head gasket. You should have a mechanic check your headgasket and other areas of the engine for damage during the overheating period. The cause of the overheating could be a few things. First of all, is your radiator ok? Are there any holes? Is there still fluid in it? Did a hose break or get kinked or clogged? Did the Radiator fan break or malfunction? Check the radiator fan relay. 2. Your water pump may have broke, or malfunctioned. Have these things checked by a mechanic.

I hope this will be helpful for you, when you are looking for auto parts then visit here on this web site you can find your need here on this web site.

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Alex

Low price auto parts.
Hyundai Azera Headlight
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  #5  
Old 07-04-2010, 08:52 AM
AnniversaryBird AnniversaryBird is offline
 
Join Date: Jun 2009
Location: Central Florida
Posts: 5
No wonder he quit replying.....These replies would scare any car owner....
Why do online Forums tend to be so harsh or severe all the time.....It isn't always something bad. Cars make noises....that's a fact of life and not all of them mean something bad is happening.

Like I mentioned a while back...Pull off the decorative engine cover and look and listen when it's doing it... You should easily be able to pinpoint at least the area it's coming from and sub sequentially the component...

Now both our Expedition and Grand Marquis make a similar noise after shut off...
On the Expedition it's the EVAP Purge valve bleeding off tank pressure.... I can open up the gas cap and it stops.....On the Mercury it's the High side and low side A/C pressures balancing out after shut off....

Either way neither sound poses a problem and are completely normal noises...

Not everything has to be severe or terrible so there is no need to scare the crap out of people with bad head gasket theories and such....

Just my 2 cents....

Cheers!
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  #6  
Old 10-28-2010, 08:10 PM
jtharaldso jtharaldso is offline
 
Join Date: Oct 2010
Posts: 10
you should expect the worst with these cars!!
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  #7  
Old 11-02-2010, 03:08 PM
dchamb9414 dchamb9414 is offline
 
Join Date: Jun 2007
Posts: 27
here's a tip for you to help pinpoint engine noises, take a stick (as pehaps a
2" long x half in. dowel rod), place one end at your ear and move the rod around the suspected area, placing it firmly on the engine and when you get to where the noises originates, you will know. i have a 94 yr. old uncle mechanic (still working), i first saw do this when i was a teenager and i have used this "high tech" system many times myself.
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  #8  
Old 11-12-2010, 11:24 PM
Trackerrrr Trackerrrr is offline
 
Join Date: Jun 2010
Location: Los Angeles
Posts: 7
You have a happy car perhaps? Just sayin'. I hum when I'm happy.
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