Gear noise!?!?!?!?!?

MarcoCapone · Aug 7, 2006

I sometime hear that strange noise... It happens when im crusing in 5 th Speed at maybe 1600 rpm and I floor it (<---- Dont ask me why I floor it in fifth) It sound like I can hear the transmission's gear!?!?!?!?!? Is it normal????? My other car is a fwd so the trans is too far!!!!

BTW.: I forgot to mention that the sound is only there at a certain rpm range (from ~1600 until around 2600)

the98stang · Aug 8, 2006

MarcoCapone said:
I sometime hear that strange noise... It happens when im crusing in 5 th Speed at maybe 1600 rpm and I floor it (<---- Dont ask me why I floor it in fifth) It sound like I can hear the transmission's gear!?!?!?!?!? Is it normal????? My other car is a fwd so the trans is too far!!!!

BTW.: I forgot to mention that the sound is only there at a certain rpm range (from ~1600 until around 2600)

My car does the same thing. Nothing you can really do about it. Just wait for the tranny to take a dump. My motto is "if it ain't broken, don't f_ck with it"

MarcoCapone · Aug 10, 2006

I've notice today that it does that in all speed at a certain rpm range but the exhaust is louder than that noise....its sound like a "normal" noise not high pitched, not strange!!!! Maybe I should just change the transmission oil...Im almost at 60K with what I suspect to be the original fluid..... You realy have to listen to hear it...and maybe its just my ***got 3.55 gear..... I dont know!

Mike97gt · Aug 10, 2006

could be the rear end ( pinion bearing) or maybe some bearing in the trans.

If it's a pinion bearing you will know soon enough, because it will get a lot worse....

96SCstang · Aug 10, 2006

lol....this is funny. i just starting hearing this noise in my rear end. it sounds like a whine in 5th gear and between 1600 and 2500 rpms. let me tell you what it is. it is the carrier and carrier bearings. yeah it sucks but it gave me a good reason to call up my local driveline shop and order up a new eaton limited slip and some 34 spline axle shafts. if you guys are hearing a sort of whining noise like i am it is probably the same thing. ford has a tsb out about this problem, and i have acually heard it before in my buddys mustang also.:SNSign:

the98stang · Aug 10, 2006

96SCstang said:
lol....this is funny. i just starting hearing this noise in my rear end. it sounds like a whine in 5th gear and between 1600 and 2500 rpms. let me tell you what it is. it is the carrier and carrier bearings. yeah it sucks but it gave me a good reason to call up my local driveline shop and order up a new eaton limited slip and some 34 spline axle shafts. if you guys are hearing a sort of whining noise like i am it is probably the same thing. ford has a tsb out about this problem, and i have acually heard it before in my buddys mustang also.:SNSign:

If you hear it at certain RPM's it's going to be the tranny
If you hear it at a certain MPH it's going to be the rear end gears

thomas91169 · Aug 10, 2006

i have a weird noise but ive summed it up as "3650 Genetic Traits". sounds like the sound concrete makes when the cement truck pulls up, and you can hear all the wet rocks and **** moving inside.

im starting a T56 swap fund.

Mike97gt · Aug 11, 2006

96SCstang said:
lol....this is funny. i just starting hearing this noise in my rear end. it sounds like a whine in 5th gear and between 1600 and 2500 rpms. let me tell you what it is. it is the carrier and carrier bearings. yeah it sucks but it gave me a good reason to call up my local driveline shop and order up a new eaton limited slip and some 34 spline axle shafts. if you guys are hearing a sort of whining noise like i am it is probably the same thing. ford has a tsb out about this problem, and i have acually heard it before in my buddys mustang also.:SNSign:

I am not aware of this TSB and I can't find it under any car or truck with a 8.8 in it.... do you have the TSB number?

We do have TSB's out on the clutch packs for the limited slip.. We don't have a TSB out on the pinion bearings but it's a common failure.. I have seen carrier bearings go and the noise they make is not on throttle tip in as much as a pinion bearing is..

one way you can tell is by removing the driveshaft and trying to move the pinion flange up and down.. if it don't move at all then it could be the carrier bearings. The next step after that is to pull the carrier out and look at the races for the bearings and the bearing surface itself.

Gear noise!?!?!?!?!?

MarcoCapone

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Gear noise!?!?!?!?!?

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