Yes i am new and i am having a problem with my 1997 ford expedition it is a 2wd truck i really don't know how to explain the problem but i will try to do my best when i turn on the truck i hear a humming noise from the front part of the car like it is under the front right wheel sounds like a humming somewhat like a motor noise that is jamed trying to move it does it when i start the car up after driving it for like 5 seconds then stops and the car is normal then sometimes out of the blue it will do it again i maybe sitting at a light or something but like i said sounds like a motor jamed trying to move or a humming noise right under the passenger dash board near the wheel does anybody know what it is one person said it may be the power steering module but i want to make sure of that please help me thanks also if this helps the truck has 146,000 miles on it.

Your description sounds like debris in the blower squirrel cage, causing it to vibrate. If you pull the blower out, you will probably find a mouse nest or acorn pieces in it.

what is the blower squrriel cage is there another name for that i have the 1997 expedition repair manual and just want to look up that thanks.

Squirrel cage is just a name for the fan portion of the blower. It is shaped like a hamster exercise wheel.

Squirrel cage is just a name for the fan portion of the blower. It is shaped like a hamster exercise wheel.
i am sorry i really don't know much about cars what is the name of the blower that you are talking about if i turn to the back of the book what is the full name that i am looking for the noise sounds like a bzzzzzzzzzzzing sound in the corner of the passenger side it only does it for 5 seconds then stops and ocansionally it does it again so what is the name of the blower and also have you heard of this before.

It's the fan that blows air for the heater & A/C. It's located under the dash behind the glove box. It's common for pieces of debris to get stuck in it and make noise.

It's the fan that blows air for the heater & A/C. It's located under the dash behind the glove box. It's common for pieces of debris to get stuck in it and make noise.
thankyou for your help i took a look it is pretty hard to get to take that out so i will let some professional do it now when you say that it might be mouse nest or acorn is it possible that the noise would be loud enough to hear outside in that same right hand corner and also do you have any idea what the price would be to open it up and see if there is a problem.

You may or may not be able to hear it outside the truck. I can't see paying more than an hour labor to R & R the blower.