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Where to get "good" bolts for the front flange of a 205?

dbreid

dbreid

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Soooo.... I took my K30 out in roughly October, and after some hwweling on the rocks, I heard a loud noise, and lost front wheel drive. Turns out my front driveshaft became disconnected from my front 205 Output. One of the bolts was sheared off flat, and the other three were gone.

"That sucks" I said, and I pulled the bolts out of my Suburban (which I also had with me), and put the three in, and away I went. Did Tank Trap on those three bolts, no problem.

Now.... fast forward to Saturday. I still had those three bolts in the flange, and I went wheeling again. This time, I hear a loud bang 3/4 of the way up Tank Trap, I look again, and it is the same thing.... Only this time, I sheared TWO MORE of those bolts. The 4th one was not around.

So my questions are:

1.) Where can I get bolts that won't shear?
2.) Why the heck am I breaking them in the first place? Vibration?


Thanks!

-Dan
 
My first thought is that you have a driveshaft with a flange that doesn't mate correctly with the flange on the 205. There is a "register" that the flange of one centers on the other. Also make sure you have grade 8 bolts and use a small amount of loc-tite on the bolts.
 
You are actually depending on the friction between the two flanges to take the load, the bolts themselves should see very little load.

When the bolts become loose they have to take the load. The more loose they become and the more bending load they see (and hence they fail quicker).

I bet on your first time out the bolts came loose. After that you were only running 3 out of 4 bolts and that was your problem.


In the future, use all of the fasteners that a connection is designed for and use locktite or lock washers.
 
Most likely the bolts loosened, then broke. I had that problem at one point, and so did a few others with 205s. Make sure the bolts are tight and use locktight. If you hear a clanking, stop and check the bolts for tightness.
 
I use lock washers and a large wrench or two to get the bolts tight in the buggy. It is a royal pain to get to them for me so I do it right. I don't use locktight on them because it would then be too much of a pain for me to remove them if I needed to.


If they aren't tight they will break. Keep them tight.
 
reddog64 said:
My first thought was why didnt you fix it when you got home... in October...
Click to expand...

The answer to that is laziness, actually. I had three in there, and figured I'd be fine. I was wrong, and I paid. :) But you are 100% correct. I should have done it right. I will now pull the tranny and transfer case, and get this right.
 
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