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#2460160 - 03/02/18 06:17 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: Cab_Burge]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
Originally Posted By Cab_Burge

Could very well be the rear main bearing, although it doesn't sound like a bearing at least to me.
iagree No way a main bearing failing lives that long, trust me on that shruggy [/quote]


Oh I don't know about that short life of a noisy bearing. I had one making bad noise for a couple years. Drove across the state a couple times towing my brother's cars on my trailer. Sounded like the rr, looked ok, but replaced it anyway. My brother thought it was the lr, it looked fine, but replaced it also. I finaly took apart the rearend and found the pinion bearing real bad.
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

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#2460261 - 03/02/18 09:36 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
Cab_Burge Offline
I Win

Registered: 08/23/03
Posts: 30788
Loc: Bend,OR USA
Me thinks a ball bearing or tapered roller bearing with lubricant will live lot longer making noise than a engine MAIN bearing will shruggy
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Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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#2460271 - 03/02/18 09:49 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: Cab_Burge]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
Ok, just for the heck of it

are you people saying 'main bearing' talking about the ENGINE'S rear main bearing? or the transmissions rear or front 'main' bearings?

The ENGINE has already been eliminated from making the noise, so that's OUT

stick with the TRANSMISSION'S bearings, thankyou.


None of my replies have anything to do with the engine, only the transmission bearings. After all, this discussion is about his TRANSMISSION, thankyou.

So lets all get on the same page: his TRANSMISSION, not his engine.
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

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#2460290 - 03/02/18 10:25 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: Cab_Burge]
moparedtn
Unregistered


Originally Posted By Cab_Burge
Originally Posted By RATTRAP
Possible Pilot bearing?

I would think he has a pilot bushing, not a bearing work
OP, is it a bearing or bushing?

As I stated in my original post:
"...new input bushing..."

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#2460291 - 03/02/18 10:26 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: Cab_Burge]
moparedtn
Unregistered


Originally Posted By Cab_Burge
No way a main bearing failing lives that long, trust me on that shruggy

What I'm thinking too, although the thought of the rear main partially galling is tempting.
Still, I don't hear a bearing. I could be dead wrong, but I don't.


Edited by moparedtn (03/02/18 10:29 PM)

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#2460293 - 03/02/18 10:28 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
moparedtn
Unregistered


Originally Posted By amxautox

Yes, that is why the LONG ROD, or steel handle from the floor jack, keeps the person out from under the car.


I reckon not. Exhaust, in this case 3" diameter, is dead in the way of doing much transmission prodding without at least plunking yourself down on the concrete to get an angle.

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#2460295 - 03/02/18 10:32 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
moparedtn
Unregistered


Originally Posted By amxautox

So lets all get on the same page: his TRANSMISSION, not his engine.


I don't see anyone talking about the engine. From what I've seen, the furthest forward I've seen mentioned is the input bushing so far.

Yes, for the record, I've pretty much ruled out anything to do with the engine (or the clutch, for that matter) because the noise does not change in frequency or speed itself. Further, it is not affected by RPM of the engine or whether the clutch is in or out. Doesn't care where the gear shift is either.
Thanks!

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#2460308 - 03/02/18 11:04 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
Originally Posted By moparedtn
Originally Posted By amxautox

So lets all get on the same page: his TRANSMISSION, not his engine.


I don't see anyone talking about the engine. From what I've seen, the furthest forward I've seen mentioned is the input bushing so far.

Yes, for the record, I've pretty much ruled out anything to do with the engine (or the clutch, for that matter) because the noise does not change in frequency or speed itself. Further, it is not affected by RPM of the engine or whether the clutch is in or out. Doesn't care where the gear shift is either.
Thanks!
I count 2 people mention the ENGINE MAIN bearing. And a couple more, plus me, mention the TRANSMISSION MAIN/MAIN SHAFT BEARINGS BEARING/S.

I'd sure like to know what it is. I've never heard that noise before.
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

author unknown


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#2460327 - 03/02/18 11:33 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
You can also remove the speedo pinion gear/adaptor and make a metal plate to cover the hole. They actualy make those plates. Then drive the car and see if the noise is still there. At the very least it would eliminate that possibility of the speedo cable gear assembly making the noise.
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

author unknown


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#2460333 - 03/02/18 11:44 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
Maybe it's not in the trans, maybe it's on the underside of the floorboards? shruggy


Maybe it's something in or on the exhaust pipes.


Edited by amxautox (03/02/18 11:54 PM)
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

author unknown


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#2460345 - 03/03/18 12:46 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
tman Offline
mopar

Registered: 08/21/07
Posts: 404
Loc: WA
Whenever I hear a "buzzing" type noise its some type of vibration or harmonics. It occurs at a certain speed that could be caused by tire noise or tire balance, or exhaust drone and something is vibrating. Heat shield that is loose or vibrating under certain conditions such as speed or rpm.
To me, its some type of vibration.

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#2460364 - 03/03/18 04:47 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
moparedtn
Unregistered


Originally Posted By amxautox
I count 2 people mention the ENGINE MAIN bearing. And a couple more, plus me, mention the TRANSMISSION MAIN/MAIN SHAFT BEARINGS BEARING/S.
I'd sure like to know what it is. I've never heard that noise before.

Sorry, hadn't gotten that far in the comments.
Speaking of not knowing what the noise is, none other than Dan Brewer has conversed with me a couple times this week and he's stumped, too!
I'm about ready to yank the trans and discard it at this point.

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#2460365 - 03/03/18 04:51 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
moparedtn
Unregistered


Originally Posted By amxautox
You can also remove the speedo pinion gear/adaptor and make a metal plate to cover the hole. They actualy make those plates. Then drive the car and see if the noise is still there. At the very least it would eliminate that possibility of the speedo cable gear assembly making the noise.

Yeah, I've written about doing that. Gets tiresome and messy, though - you lose fluid when you pull the speedo gear, then have to pump it back in the dang thing every time.
Nonetheless, that's what I'm doing next, followed by a replacement of the slip yoke and u-joints.
I figure those would need attention eventually anyways, so it's not a wasted effort to do so even if I wind up replacing the transmission. Worth a shot.

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#2460366 - 03/03/18 04:57 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
moparedtn
Unregistered


Originally Posted By amxautox
Maybe it's not in the trans, maybe it's on the underside of the floorboards? shruggy
Maybe it's something in or on the exhaust pipes.

Doubtful, but can't say definitively not at this point.

Reviewing - these are KNOWN so far:
1. Speed is the only cause factor.
2. Noise comes on all at once, instantly - doesn't change in intensity or pitch once it starts.
3. Doesn't change with engine speed, clutch or shifter position.
4. Not speedometer cable.
5. Begins after the car has travelled a half dozen miles or so.
6. Begins at speed above 50mph.
7. Emanates from portion of transmission directly below/behind shifter.

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#2460423 - 03/03/18 09:31 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
6PakBee Offline
master

Registered: 01/20/03
Posts: 5632
Loc: North Dakota
Okay, let me throw this out. It started with a hard romp. Any chance that the vent baffle in the extension housing came loose and is 'fluttering'?
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#2460462 - 03/03/18 10:19 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
GODSCOUNTRY340 Offline
top fuel

Registered: 08/26/06
Posts: 1795
Loc: God's Country Maryland
I agree with tman, that sounds like a vibration buzzing. Get under the car and check all the bolts holding your shifter in place, even the ones holding the aluminum mounting plate to the trans. It could also be the shift rods vibrating. Tape some rags, temporarily, to the shift rods and see if the noise changes. Make sure the shift rod links at the transmission are tight.
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#2460494 - 03/03/18 11:32 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: ]
71birdJ68 Offline
master

Registered: 02/09/12
Posts: 3837
Loc: Morristown Tn.
How about this. Remove the boot and such from the shifter, and while driving have someone stick their ear, or a probe to see if they can pin point the noise.
Were you at any of the Rogersville downtown cruise in's that they had on Friday night last summer? I had the 71 Road Runner, maybe we talked.


Edited by 71birdJ68 (03/03/18 01:31 PM)

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#2460662 - 03/03/18 08:48 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: 71birdJ68]
moparedtn
Unregistered


Originally Posted By 71birdJ68
How about this. Remove the boot and such from the shifter, and while driving have someone stick their ear, or a probe to see if they can pin point the noise.
Were you at any of the Rogersville downtown cruise in's that they had on Friday night last summer? I had the 71 Road Runner, maybe we talked.

Probably next on the agenda, yep.
Thanks!

Yessir, we sure did talk. I gushed all over that black beauty. :-)


Edited by moparedtn (03/03/18 08:49 PM)

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#2460726 - 03/03/18 11:55 PM Re: Can anyone confidently identify this noise? A833 4 speed [Re: amxautox]
Cab_Burge Offline
I Win

Registered: 08/23/03
Posts: 30788
Loc: Bend,OR USA
Originally Posted By amxautox
Originally Posted By moparedtn
Originally Posted By amxautox

So lets all get on the same page: his TRANSMISSION, not his engine.


Thanks!
I count 2 people mention the ENGINE MAIN bearing. And a couple more, plus me, mention the TRANSMISSION MAIN/MAIN SHAFT BEARINGS BEARING/S.


Dude, how far down this rat hole are you going to dig yourself into?
Transmission MAIN Bearing, which school did you learn that term from whistling
Front input shaft bearing, rear output shaft bearing, cluster shaft needle bearings and some bushing in a lot of different stick shift transmissions, no automotive standard transmission I have ever heard of or read about mentions a transmission MAIN bearing in them confused
Do we really need to go on about your concerns on words used in this discussion work
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Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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#2460735 - 03/04/18 12:13 AM Re: Can anyone confidently identify this noise? A833 4 speed [Re: 68LAR]
amxautox Offline
Still Retired. Still Posting on Moparts. A Lot.

Registered: 05/13/03
Posts: 96589
Loc: On The Boat, On The Lake, Wa. ...
Originally Posted By 68LAR

Can anyone confidently recognize this noise?
TIA!!


Sounds to me like rear main bearing in the transmission?????? [/quote]So, Cab_Burge, why don't you get on THIS person's case? HE was the first to call it 'main bearing'. lol I was just following along...so don't sweat it.
_________________________
Tom

"Everyone should believe in something; I believe I'll go fishing."

-Henry David Thoreau

Men and fish are alike. They both get into trouble when they open their mouths

author unknown


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