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I must add that this whistling noise can be heard clearly when the outside temperature is cold. The squeal disappears when the outside temperature is above 80 degrees. When the outside temperature drops, the squeal returns.
I am suspecting a bad Mass Airflow Sensor. Hope someone here can give some hints as to what could be the culprit.
Rear axles containing synthetic lubricant are lubricated for life. These lubricants are not to be checked or changed...
Rear axles containing non-synthetic lubricant must be changed every 100,000 miles...
So, if I can't check the lubricant, how do I know if it's synthetic? And what about the front axle?
Note that the axle has not been submerged, nor trailers towed. The vehicle has been virtually trouble free.
Thanks for any useful suggestions.
I must add that this whistling noise can be heard clearly when the outside temperature is cold. The squeal disappears when the outside temperature is above 80 degrees. When the outside temperature drops, the squeal returns.
I am suspecting a bad Mass Airflow Sensor. What did you find out in your case?
~tom
~tom
Have you taken it into a mechanic or the dealer?
~tom
--tfmr
I'd get it to a shop quickly.
I would suspect a gas leak in the engine compartment. When the heat is on I believe it is drawing air in thru the vents on the hood above the engine compartment.
i went out to try it, i pushed all kind of buttons and combinations of buttons. it made a noise like it was trying to change cds but it just seemed like it was stuck. it then would display 'cd error'.
feeling a bit frustrated, i pushed cd button, selected the cd number originally displayed, pushed the eject button and banged on the top of the dashboard while it was trying to switch to that cd.
it popped out and so did the next one. it turns out the second cd, also homemade, was put in upside down. i took out all the homemade cd's for now. it seems to be working as normal.
http://i76.photobucket.com/albums/j1/savannahboyer/Ford2.jpg
http://i76.photobucket.com/albums/j1/savannahboyer/Ford1.jpg
Good Luck,
E.D ISF
****
"2001 FORD EXPLORER SPORT TRAC STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS
Recall Date: 11/28/2000
Summary:
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES WITH STEEL HOODS AND CERTAIN PICKUP TRUCKS EQUIPPED WITH SHEET MOLDING COMPOUND HOODS. A WIRE FORMED HOOD STRIKER COULD BE SUSCEPTIBLE TO FATIGUE FRACTURES. IF THE HOOD STRIKER FRACTURES, THE HOOD COULD FLY OPEN WHILE THE VEHICLE IS BEING DRIVEN.
Consequence:
A HOOD FLY-UP WHILE THE VEHICLE IS BEING OPERATED COULD RESULT IN REDUCED DRIVER VISIBILITY.
Remedy:
DEALERS WILL REPLACE THE HOOD STRIKER.
Potential Units Affected: 137700
Notes: FORD EXPLORER SPORT TRAC 00S45"
I'm on my fourth Explr(ist one was Bronco II) same truck actually. The RPMs change when you go through the gears so it not unlikely that your squeal will change also...its a turning problem.
Put a mechanics stetchescope(hope I got the meaning across at least )and listen to where the squeal is coming from. Also can be done with a length of tubing or if your real sensitive a screwdriver. Look at the air filter and make sure its not clogging up.Next I would have applied a blast or two of $1.96 belt lubricant. Get a Haynes/Chilton and arm yourself with information. Remember the service techs also get a cut of whatever they write! Hope this helps...good luck
My 2002 Explorer Limited has started to blow hot air from the vents on the passenger side. Cold air blows through the drivers side and both overhead vents in the back seat. Any help on solving this problem would be greatly appreciated. Thanks