Howl coming from back of car
3/20/12, 06:29 AM
#1
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Howl coming from back of car
Its like a howling/whirring noise, not so much a whine, to me anyway. Is it pretty much guaranteed to be the dif? I just put RP syncromax in the tranny, could that be it? Idk maybe even the brakes? It's not the tires, just got new ones last weekend. Possibly a hub? The noise seems to be connected with speed, whether it's in gear or not. Any ideas?
3/21/12, 09:19 AM
#2
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Its like a howling/whirring noise, not so much a whine, to me anyway. Is it pretty much guaranteed to be the dif? I just put RP syncromax in the tranny, could that be it? Idk maybe even the brakes? It's not the tires, just got new ones last weekend. Possibly a hub? The noise seems to be connected with speed, whether it's in gear or not. Any ideas?
I recommend you have your vehicle diagnosed at your Ford dealer. Your Service Manager is in the best position to look into this for you. He can check into any warranty, Recalls, or Customer Satisfaction Programs that may apply to your vehicle. If you have any questions, do not hesitate to PM me.
Deysha
3/22/12, 12:06 PM
#5
Mach 1 Member
You said it changes with speed - if the tone changes with speed as if the pitch gets higher, I'd reccomend what Deysha said. I'd have a dealer check it out.
If the sound is monotone and consistent and just gets louder, I'd first do a quick visual of the undercarriage - debris that gets lodged under there can make a considerable amount of sound. I had a loud thrashing sound and smell coming from my Galaxie - it turned out to be a large plastic bag or tarp that melted to the muffler and was dragging on the ground.
If the sound is monotone and consistent and just gets louder, I'd first do a quick visual of the undercarriage - debris that gets lodged under there can make a considerable amount of sound. I had a loud thrashing sound and smell coming from my Galaxie - it turned out to be a large plastic bag or tarp that melted to the muffler and was dragging on the ground.
3/23/12, 06:26 AM
#7
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Originally Posted by texastboneking
Could be wheel bearings.
3/23/12, 03:36 PM
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i had a exact same sounding issue last year. i noticed it after i installed some upr upper and lower rear control arms. at first i thought maybe it was the gears that i installed myself, but the car was kickin butt,,then i thought for sure it was the new chrome moly control arms transferring the rear axle/gear noise to the body and might have bet money on it even.
so i ordered a set of frpp control arms and rotors and pads. first i did the rear brakes and installed the control arms. took it down the road, no change, the same body drone noise from what seemed like the rear. pulled back in to do the frt brakes and found the bearings in the rt frt hub were shot, bad too and the car still handled and drove good, just the whiny, drony noise
3/23/12, 03:44 PM
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If the noise started after this - and you did nothing else - that would be my top suspect.
I can't tell what your vehicle is but if you have the Tremec 3650 remember - you don't fill it all the way to the top - 1/2" below the bottom of the fill hole.
I can't tell what your vehicle is but if you have the Tremec 3650 remember - you don't fill it all the way to the top - 1/2" below the bottom of the fill hole.
For vehicles equipped with a V8 engine the correct
manual transmission fill level is 1/2 inch (1.3 cm) below the edge of the
filler hole.
manual transmission fill level is 1/2 inch (1.3 cm) below the edge of the
filler hole.
Last edited by cdynaco; 3/23/12 at 03:45 PM.
3/23/12, 05:03 PM
#11
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Originally Posted by amustangrocks
this might not be your issue, might be your rear end or maybe u joint but....
i had a exact same sounding issue last year. i noticed it after i installed some upr upper and lower rear control arms. at first i thought maybe it was the gears that i installed myself, but the car was kickin butt,,then i thought for sure it was the new chrome moly control arms transferring the rear axle/gear noise to the body and might have bet money on it even.
so i ordered a set of frpp control arms and rotors and pads. first i did the rear brakes and installed the control arms. took it down the road, no change, the same body drone noise from what seemed like the rear. pulled back in to do the frt brakes and found the bearings in the rt frt hub were shot, bad too and the car still handled and drove good, just the whiny, drony noise
i had a exact same sounding issue last year. i noticed it after i installed some upr upper and lower rear control arms. at first i thought maybe it was the gears that i installed myself, but the car was kickin butt,,then i thought for sure it was the new chrome moly control arms transferring the rear axle/gear noise to the body and might have bet money on it even.
so i ordered a set of frpp control arms and rotors and pads. first i did the rear brakes and installed the control arms. took it down the road, no change, the same body drone noise from what seemed like the rear. pulled back in to do the frt brakes and found the bearings in the rt frt hub were shot, bad too and the car still handled and drove good, just the whiny, drony noise
3/23/12, 05:07 PM
#12
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Originally Posted by cdynaco
If the noise started after this - and you did nothing else - that would be my top suspect.
I can't tell what your vehicle is but if you have the Tremec 3650 remember - you don't fill it all the way to the top - 1/2" below the bottom of the fill hole.
3/23/12, 05:09 PM
#13
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Thread Starter
Originally Posted by cdynaco
If the noise started after this - and you did nothing else - that would be my top suspect.
I can't tell what your vehicle is but if you have the Tremec 3650 remember - you don't fill it all the way to the top - 1/2" below the bottom of the fill hole.
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