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Shark Bait
04-03-2008, 11:24 PM
Well, I'm wondering if I may have found one of my problems. When I traveled to and from the club meeting Wednesday night I noticed a bad knocking sound in the drive train. We were guessing it might be the transmission. I thought it might be the t-case input gear. So I drained the tranny & transfer case and I took off the rear cone. The t-case input gear had not moved. It was fine. Then I pulled the side cover off the t-case and found a broken tooth on my idler gear in my Orion. Do you suppose this could be causing my knock? Anyone have a spare t-case? :rolleyes:

Rzeppa
04-03-2008, 11:44 PM
I have a spare 3 speed case, but it's not an Orion. Let me know if you need it. I thought Orions came with their special idler to fit the low gear on the output?

Shark Bait
04-03-2008, 11:47 PM
They do. This Orion came with the idler gear already installed. Is your 3-speed in good shape or should I rebuild it? I think Timmbuck2 has a couple and he lives a little closer to me. I have a PM in to him.

wesintl
04-04-2008, 12:00 AM
what was the screeching sound pulling out? brakes dragging?

Shark Bait
04-04-2008, 12:03 AM
what was the screeching sound pulling out? brakes dragging?

No. That may be the wheel bearings are loose. I need to check that, too. :rolleyes:

powderpig
04-04-2008, 06:38 AM
Thats a good place to start Chris. How was the bearings at this point? if they are loose, with the chipped tooth, it could create the feeling we were getting.
I think his bearing are loose on the passenger side, only squeels like then when you turn a right hand turn. If not bearings a flexy rim that is getting close to something.

Red_Chili
04-04-2008, 08:30 AM
Chris, that almost has to be a manufacturing defect? How could the tooth break unless foreign matter entered the case?

Shark Bait
04-04-2008, 09:15 AM
Thats a good place to start Chris. How was the bearings at this point? if they are loose, with the chipped tooth, it could create the feeling we were getting.
I think his bearing are loose on the passenger side, only squeels like then when you turn a right hand turn. If not bearings a flexy rim that is getting close to something.

I haven't checked that yet, Robbie. I will.

Chris, that almost has to be a manufacturing defect? How could the tooth break unless foreign matter entered the case?

Foreign matter is always a possibility. :o I rebuilt this t-case several times trying to get the bearing pre-load right. I suppose if I had a bar jammed in there while wrenching on it, I could have buggered it up. But I thought a gear would be tough enough for that. :rant:

Meanwhile I'm going to look for a substitute t-case. :D

Red_Chili
04-04-2008, 09:57 AM
Bars have many a young man ruined. :lmao:

treerootCO
04-04-2008, 11:55 AM
Call Advance and order a new idler. You are going to have a lot more work swapping in another t-case.

wesintl
04-04-2008, 12:12 PM
I've seen the gears in my case break off like that when the idler bearings went bad and cocked the gears putting stress on the teeth til some broke off.

Uncle Ben
04-04-2008, 12:14 PM
PM sent

Shark Bait
04-04-2008, 02:52 PM
If anyone wants to come watch or help or drink beer, come on by. I will be pulling my Orion and, hopefully, rebuilding it and re-installing it. PM me if you need directions. :D

Shark Bait
04-05-2008, 12:50 PM
Found the culprit. :( Why would a thrust washer do that? It's number 25 in the schematic below. It munched 3 other teeth besides the first one. :eek:

Rzeppa
04-06-2008, 11:59 AM
They do. This Orion came with the idler gear already installed. Is your 3-speed in good shape or should I rebuild it? I think Timmbuck2 has a couple and he lives a little closer to me. I have a PM in to him.

No idea on internal condition - I bought it from the same guy that gave me the driveshafts. It's still attached to the 3 speed tranny and is pretty grimy on the outside.

Shark Bait
04-06-2008, 12:06 PM
No idea on internal condition - I bought it from the same guy that gave me the driveshafts. It's still attached to the 3 speed tranny and is pretty grimy on the outside.

Thanks anyway, Jeff. Timm was kind enough to lend me one. Just picked it up this morning. :D

Rezarf
04-06-2008, 01:36 PM
Bummer Chris-

I hope it goes together smoothy bud.

:cheers:

Drew

Red_Chili
04-07-2008, 09:13 AM
Weird, you have two #25 washers in that drawing... Guess they are the same part no.?

I had a Bultaco once that munched one of the thrust washers on the small end of the con rod. Wasn't pretty. I learned how to split cases that spring. Only took me three times to get it to seal again. :lmao: