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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Had a pop and now get a tapping rattling sound at 25 to 30

Customer Question

Had a pop and now get a tapping rattling sound at 25 to 30 mph almost sounds like a belt shredded and is frayed and rubbing, but louder
JA: Where exactly do you think the noise is coming from? And how long has this been going on?
Customer: Sounds like under dash, just started
JA: What is the model/year of your Ford?
Customer: 2003 f250 super duty 5.4liter
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes but have just looked, don't see anything wrong
JA: Anything else you think the mechanic should know?
Customer: Noise comes on at 25 to 30 last for few seconds and then quits, does it every time you get to that speed
Submitted: 1 year ago.
Category: Ford
Expert:  john -aka eauto replied 1 year ago.

Is it coming from the front of the motor? Is ths something you can duplicate while the car is in park?

Customer: replied 1 year ago.
No only when driving and starts at about 25 mph and quits at about 40 mph. Then when u slow down it does it till about 25 mph. Sounds like it's coming from under dash. Kind sounds a little like a squirrel cage has come off a shaft
Expert:  john -aka eauto replied 1 year ago.

im sorry i have to opt out hopefully another expert can be of more assistance.

Expert:  HDGENE replied 1 year ago.

Hello, does it sound like it is coming from the blower motor area? Have you noticed a lack of airflow from the dash vents? It wont make the noise at idle or if you rev the engine? Will the noise go away if the blower or ac is off? No issues with how the truck runs? No warning lights?

Customer: replied 1 year ago.
Figured it out, windshield trim popped off at the top of windshield and was flopping around in the wind causing the noises
Expert:  HDGENE replied 1 year ago.

Ok so you are good then?

Expert:  Eric Gardner replied 1 year ago.

still need help?

Customer: replied 1 year ago.
Got it solved.Just windsheild trim