I noticed today that my F-150 has a whine that starts about 60 and gets louder at 70. If I let off the gas, it disappears but starts again just as soon as I give it gas. Anyone have any ideas? I am working 7 days a week right now so I cannot take it to my dealer until I get back on my regular hours. Maybe when my wife carries it in next week for my 3000 mile checkup and oil change they will find time to look at it. I have not noticed this noise before today.




2004 F-150 Lariat SCab
Aspen Green/Arizona Beige
3.73 LS
Trailer package
Westin CPS nerf bars

 

My truck made a winding noise until I could not stand it anymore so I took it in and they had to order two different parts to fix it. I am sorry I do not remember what it was but if you have trouble from your dealer getting it fixed, let me know and I will send you a copy of the paper work I got from the shop. Do you hear it when you are just sitting idiling? It is kind of quiet right. have you noticed how loud the A/C compressor is when it kicks on or is it just mine?

 

first post - I have the exact same issue. I am taking it in for service tomorrow. Anyone else have this resolved? If so, what was the fix? Thanks...

 

Welcome TLDP, this is a great site. Glad to have you aboard.

 

Thanks,

I should have posted my truck, I thought the profile would do that:

2004 F150 SuperCrew Lariat 2x4. Black on Black.

 

service advisor just called and said they replaced the ring and pinion. Picking it up later today.

 

Did they just agree to do the ring and pinion or did they follow the procedure in the workshop manual and go for a test drive and follow the rest of the trouble shooting guide ?

Just ondered as I have the same thing but between 45-55mph, but loadest at 50mph, will wait till 6k service and mention it then (2weeks).

Rick.

 

i dropped it off in the morning with the following description and with 3000 miles on it:

"at 68 miles an hour there is a howl in the rear of the drivetrain. Let off the gas the howl goes away. Get back on the gas and it comes back".

That was the extent of the conversation.

I picked it up in the afternoon with a new ring and pinion. It was raining so bad they could not hear if this fixed it or not (really bad thunderstorms yesterday).

I drove it into work this morning and this did indeed fix the issue. Now I only have the normal noises of wind noise and tire humming. It is a very quiet ride - that is most of the reason I got the truck (coming from a 2001 mustang cobra vert)

 

I have the exact same howl. Thanks for the info. By the way do you have lsd rear end.

 

Sorry, I don't know what rear end i have. I'll look it up on my sticker.

 

I have LS, and think I will take it in Sat to get it booked in for next week. Give them time to get the parts in. Hope it fixes my whine/howl!

Rick.

 

to answer your question, I have the 3.73 ratio limited slip axle

 

My dealer looked at it today when my wife carried it in for an oil change. They said there is definetly a whine and it sound like it is coming from the rear end. I have to set up a time so they can keep it a couple of days. They told my wife there are some new ones on the lot that sound the same and there is probably nothing wrong with it. I will let everyone know when I get it back.

 

I have the exact same problem on my 2004 FX4 S/C. I too have the 3.73 limited slip axle. Glad someone has found a fix. My truck will go in next week.

 

This is my first experience with this particular service department and the service department was great - fixed this issue on the first try on the day I brought it in for my appointment.

I have typically used another service department on my previous Fords but I never liked their service group that much, even though they are closer to my house.

I live in Houston so if you want to know who I used, private message me.