This time my 3rd member decided to break. 2 or 3 teeth broke off the pinion gear. The ring gear is a little chewed up but no teeth broken off that. Anyone have a clue why the pinion gear would break like this? Also, does anyone have a spare 3rd member they could sell to a poor high school student for cheap?

Pics will be up soon....

 

Some carnage for your enjoyment....

 

have a story to go with that carnage?

 

Accually it just broke on my home from work... it started making noise about 200 feet from my driveway luckly. I have been wheelin my truck pretty hard lately though...

 

Sucks pretty bad that it happened, but lucky for you that you werent 400 miles away.

 

Also if anyone has part from a 4cyl 3rd let me know. I might be able to get one going if i can get a hold of a few certain items.

 

aren't those gears pretty new? what brand were they?

 

I bought the 3rd already setup, it came out of someone elses truck so who knows how old or what brand they are. There was quite a bit of backlash in the gears when I got them, so that may have contributed to their failure.

 

The pinion tooth profile is stronger than the ring tooth. To do what happened to you is probably either the pattern was set-up way too deep....or the pinion was slopping around(loose/wobbly). Were you leaking gear oil out of the pinion seal?

 

Thanks for the input. No leaking at the pinion seal at all.

Zuk do you have any extra 4.88 thirds lying around you could sell for cheap

 

Check out ebay item #8049666234. $145 for bolt ring and pinion.

 

I would be willing to trade someone my good working aussie locker for a 4.88 3rd.

 

What's a 3rd member? Front diff?

/n00b

Brian

 

On IFS trucks there is a 3rd in the rear axle, on SFA trucks there is one in the front and rear. It bolts up to the axle housing, and contains the ring and pinion gear.

Here is a pic.
http://www.diffcutaxles.com/Inventaire/Toy_4_10.gif

 

i may have one but im not sure, ive read that the v6 auto with the 31s have that axle. will that aussie fit the 4 cylender as well if so id gladly send it to ya! i live in eastern canada

 

never mind i just checked my code... i dont. sorry

 

What gear ratio do you have?