What's broke?

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AJ/FormS said:
... 1) you do not need an arbor, to hold the needle-rollers in place during a rebuild; just use a light grease; not Vaseline which at room temperature is barely grease. It is called jelly for a reason...
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I also use axle grease to hold the needles in place. The Arbor Tool is nice since it also holds the thrust washers in place and is hollow to aid in getting everything in the right position before installing the countershaft. Plus the tool also only costs $13. I've also rebuilt A-833s without the tool, but not anymore.

Brewer's Performance - Mopar A833 4-Speed Transmission and Component Specialists
 
AJ/FormS said:
If the engine is the source of the vibration, it often happens that said vibration causes the cluster to rattle amongst the gears and specifically against the Input gear.
Therefore, I would look to the engine FIRST before dropping the trans.
The most common thing to cause a vibration of the type you describe, would be a contaminant in the fuel.
The second most common thing would be debris in the idle bleeds.
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Understood and agreed. That's what bothers me most about the matter...that it's maybe engine based not transmission based. I have spent time looking for the problem from an engine perspective, mostly spark; wires, rotor, cap, boots and such. I have not found anything wrong to date...but I am certainly aware of the possibility.

Air bleeds never occurred to me. I'll take a look at them, give 'em a flush.

Thanks.
 
canyncarvr said:
TO bearing does not touch the plate fingers when running, clutch pedal not pressed. When the noise is going on...the TO bearing is not moving.



A Hurst T-handle with a Line-Loc button.
View attachment 1716074789




I hope to not be so lucky with my noises.

This occurred to me: Some years back I knew a guy that put a ceramic clutch in his Gen-2 Cummins Dodge. He pulled 20,000lbs. with it. The truck seemed to care less. You only knew you had 20Klbs. on your butt when you used the brakes. The clutch outfit said the clutch would make noise. Oh Yeah! It sounded like something was going to grenade. That never happened. The noise his trans made with that clutch is similar to what I'm hearing. The clutch mfg. referred to it as 'gear over-run'. That doesn't fit the definition of which I am familiar.



I don't hear it when driving. I hear it ONLY sitting..in neutral...clutch pedal not
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Have you checked the shifter body and linkage to make sure something isn't loose there?
canyncarvr said:
Got my GL-4 goo yesterday. I'll know this weekend if the noise is worse/better/the same.
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360notch said:
Have you checked the shifter body and linkage to make sure something isn't loose there?
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Yes. Everything there is snug...complete with proper spring clips on the shifter rod ends.

This noise is not of an external nature. There is a 'depth' to the noise. It seems to be coming from inside the trans.

I did recently replace the OEM crossmember mount with a poly-bushed version. That could well account for the 'newness' of the noise to me. Replacement of that mount did not coincide with noticing the vibration part though.

In anticipation of any who would say, 'How could you take out the mushy-old rubber mount, put in a new poly mount and not notice a difference in feel?' I'm not saying that. There was a difference in feel...but it's not that vibration that's part of this matter.
 
Update:


New lube in the tranny. If I hadn't heard it before to have an idea what to listen FOR, I wouldn't hear anything now. The way it is now would never have caught my attention.

I was figuring it would shift a whole lot different going from ATF to 90W gear oil. Not so much. Different? Yeah. Enough to be an irritation? Not even close.

I'm going to rack it up to paranoia...drive it 'til it REALLY breaks.

Thanks to all for their input. Lesson learned: If you don't want to hear noise from your 833, don't run ATF in it.

...not that anyone with any sense would do such a thing.

Gave a squirt of cleaner down all four air bleeds. Heard 'em all gurgle in the fuel tube. Apparently nothing plugged up there.

Fixed burned wires for the reverse lights. They've been no-op for years. Guess something good came from having the car up in the air.
 
No bueno.

Noise was MUCH reduced, but a good-n-hot ride later brought it noticeably back.

It's (trans) gotta come out.

Thanks to all for input. I do understand it was starry-eyed wishin' that a fluid change would 'fix' anything, but I was hopeful.

...don't like that word. It might make one feel better, but it is a baseless proposition. 'If wishes were horses....beggars would ride.'

I'll 'hope' for a horse!

I know: I hope Mr. Dan sends me a new trans just 'cuz he 'hopes' my wish to come true! ;)
 
Good luck with it. I assembled on gearbox and used a piece of heater hose for the arbor in the cluster.
 
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