Rear Shaft Vibration W/New Joints

[juniorwatson]

I got the shaft balanced today at lunch time, and it took two quarter sized weights; 1 at the front & 1 at the rear.

I'll post to the forum tomorrow after I reinstall the shaft, after installing a new seal and doing a transfer case fluid R&R.

 

[BattelWagun]

Hopefully that'll take care of it!


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[juniorwatson]

Hopefully that'll take care of it

O-H-...N-O!! Things could never be that easy for me, even thought this truck has been a a Texas truck all it's life, the DAMN drain plug in the transfer had it's 1/4" Square drive rounded off. I tried smacking it counter clockwise with a cold chisel to no avail.

I drcided to drive the truck to my buddy's small shop yesterday (FWD) and leave it, hoping he can MIG weld a nut to the plug, and let it cool, and then rotate it CCW (AS done with broken exhaust manifold bolts in the LT-1 I own; even though I never experienced it;mine came right out).

I have no oxy-acetelyne torches, so I tried propane to heat the plug, and let it cool, but that wasn't cutting it. That's what I used to do (W/OXY-Acetelyne) in the machine shop when removing oil gally plugs. Heat them first (a few times) Soak them in WD-40, and they'd come right out.

I have NO IDEA why the engineers decided to go with a SMALL square drive for that plug, as opposed to the 15MM BEEFY fill plug.

No updates on the truck as of yet......

 

[retorq]

I have NO IDEA why the engineers decided to go with a SMALL square drive for that plug, as opposed to the 15MM BEEFY fill plug.

I know what you mean, they did the same thing do the plugs in the heads ... in the "old days" they were 3/8ths. That's fine, but the newer stuff is like 8MM square drive. I ended up buying a heat treated 3/8ths extention and cutting it down little by little till it fit.

 

[juniorwatson]

I know what you mean, they did the same thing do the plugs in the heads ... in the "old days" they were 3/8ths. That's fine, but the newer stuff is like 8MM square drive. I ended up buying a heat treated 3/8ths extention and cutting it down little by little till it fit.

Boy oh boy, are you RIGHT!! I remember most every transmission I have worked on have had 3/8" square drive plugs!

The cylinder head plug on the RH side (Typically where a water temperature sender goes) wa slightly less than 3/8", so I ground down the ball and socket area, 'till I got to the extension portion, and used that to remove the pipe plug when I did the intake manifold gasket R&R. I replaced it with a hex drive plug!)

I didn't think if buying a heat-treated extension for the job. The hole in the X-FER case started distorting before the extension. Loads of funn ahead...

---------- Post added at 10:16 AM ---------- Previous post was at 10:00 AM ----------

Do you happen to know what MATL that plug is made from? The previous owner chewed it up pretty good. I'm not sure what my recourse is to remove it intact?

I'm not sure if I can weld a nut to it (If it's Aluminum), like I could with my broken steel exhaust manifold bolts)

 

[BattelWagun]

Ive drilled a hole through a bolt, inserted a steel rod, and used that for leverage before.

And I know what you mean with all these problems junirwatson, every time I go to fix something, BAM! And I always get that "we need to fix something else (usually quite expensive..) before we fix what you brought the thing in for" call when I take it to the shop....

 

[retorq]

Ive drilled a hole through a bolt, inserted a steel rod, and used that for leverage before.

And I know what you mean with all these problems junirwatson, every time I go to fix something, BAM! And I always get that "we need to fix something else (usually quite expensive..) before we fix what you brought the thing in for" call when I take it to the shop....

LOL my radiator/efan upgrade turned into a Vortec head swap with custom tuned chip.

 

[juniorwatson]

No real updates yet, but I happened to do a search for the P/N of the drain/fill plug, and found this site online.

I -WISH- my plugs were hex heads like this, but mine are socket heads.

I haven't called my friend to see how he's making out with it yet, as I have my 9C1 to drive since the snow season has come to an end.

Just brilliant on GM's part to design/use a socket headed plug in this instance.

Here's the site I found the image from:
http://www.gm-trucks.com/resources/how-to/2009/01/28/changing-your-transfer-case-fluid/