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Start the car up no chirping sounds drive slow no chirping noise?

Tiny
FORDEXPEDITION03
  • MEMBER
  • 2003 FORD EXPEDITION
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 365,000 MILES
Start the car up no chirping sounds drive slow no chirping noise. If I drive at higher speeds and take my foot of the gas it starts chirping put foot back on gas it stops. It never makes noise when I start the car up or if I Rev it only when I'm driving it's starts to make that noise.
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Sunday, April 30th, 2023 AT 8:20 PM

6 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,364 POSTS
This sounds like it could be a serpentine belt or tensioner pulley noise. Can you please shoot a quick video with your phone so I can hear the noise? That way I can tell for sure what's going on. You can upload it here with your response. I would start by installing a new serpentine belt.

Here is a guide to help and the instructions for your car in the images below:

https://www.2carpros.com/articles/replace-serpentine-belt

Check out the images (below). Please let us know what happens.

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Monday, May 1st, 2023 AT 9:39 AM
Tiny
FORDEXPEDITION03
  • MEMBER
  • 4 POSTS
So, on the Expedition I've replaced all idler pulleys, tensior, belt, and transfer case fluid front and rear u joints on both shafts hub bearings still chirping but like my previous post it only does it at highs speeds and when my foot is off the gas pedal sounds like it's under the car. Could it be transfer case CV axle?
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Saturday, May 20th, 2023 AT 1:16 AM
Tiny
FORDEXPEDITION03
  • MEMBER
  • 4 POSTS
Here's the video I have its a lot of road noise but you can hear it.
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Saturday, May 20th, 2023 AT 1:18 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,364 POSTS
Thanks for the video, it helped, I would replace the front bearing hubs when they make this kind of noise when they go out.

Here is a video to show you how:

https://youtu.be/qOAyXfPo7Z0

Please let us know if you need anything else to get the problem fixed.

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Sunday, May 21st, 2023 AT 11:27 AM
Tiny
FORDEXPEDITION03
  • MEMBER
  • 4 POSTS
I just replaced them last week. It's there rear passenger CV axle is bad the boot on the inner part towards the differential is complete gone.
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Sunday, May 21st, 2023 AT 5:24 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,364 POSTS
Good find. Here are the instructions on how to replace the rear CV axle. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Monday, May 22nd, 2023 AT 11:22 AM

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