The LSD will still spin the other tire the same direction even if the clutch pack is worn. There is little to no torque on the unit when you spin it by hand. If yours spins in opposite directions, you don't have a Limited Slip/Posi.

 

y is this?

 

I suppose his differential cover is welded on instead of bolted on. Here's what mine looked like with the cover off Indy... Maybe you can get a flashlight and peer in the fill hole like Crazy4X4 said...

 

No, I think he's just not looking at throwing $20 in diff oil out the window if there is an easier way.

 

Yeah, I can understand that too.
I'd get the build sheet if I was you Indy. That's a unique truck anyways, it'd be worthwhile. Doesn't cost anything.

 

+1

Yep, did that the first week I bought it. Like I said, the sticker nor the build sheet has posi on it.

Now, heres something bouncer and I were discussing the other day....do our trucks have a torsin diff?

 

I seriously dought you have a Torsen diff. system. I have only seen these on Audi's. I have heard the hummer H1 has it too. But we havesimple american enginering in our trucks. I still say you have an open diff.My cousin runs at the track with his camaro and he has an open diff. and when he does his burnoutshe canmakeboth tires spin. Its not that hard to do on a open diff. or justpull the cover off. And plus it wouldnt hurt to change the fuild. I forget but I think your suposto do it every few years anyways. I paid $5 for the gasket glue and $9 for the diff. fuild. so $15 is not to bad. Its just like changing the engine oil. It has to be done sometime.

 

It didn't cost me much to change the flud, although I don't know how necessary it really is. Most people never change there's for the whole life of the vehicle, but with a truck... if you do a good bit of towing and what not they recommend every 30,000 miles I believe.

 

Drain the fluid into a clean pan and reuse it.
I had an axle seal puke on mine a week after I replaced the rear axle fluid with synthetic. So reuse it!
Total cost under $5 for some *good* silicone

 

thats because it has a torsin (if its a gen4, lt1or ls1)

guys, im living off of 400 dollers a month, i really cant afford $20 just to see if i have one or not. anyways, at this point its a moot point because theres a unit on the way to my house soon.

i dont believe in that. I doubt my rear fluid has ever been changed, so I'd REALLY hesitate to reuse that at 185,000 miles.