help rear traction problem!!! wheel spin

[unibody_s13]

hey whats up guys!

i have a s13 freshly swapped and i cant figure out why my rear tires are losing traction... it happens when i turn my steering L or R from a stop and releasing the clutch or turning on a corner on gear. rear wheel spins and the car shakes from the rear. it feels like its coming more from the right rear and cant figure out whats wrong. i checked everything from the torque settings, fluids, replaced all bushings and even returned some parts to its stock part but no luck!!!it feels like inner wheel spins... bad!

here are the things ive done with my car...s13 sr20det blacktop swapLSD from s14SPL diff bushingDSS aluminum dstokico blue shocks and tien springs300zx brake upgrade f & rmegan front sway bartien tie rodsOEM front control armsgreddy fmichks ssqvi have p/s

thanks in advance and hoping sum1 can help me!!!

[nicc_dett]

umm.. dont smash the gas?then you'll have traction

[modulation]

I'm confused also.Is this the first time you've had a car with this much HP?

Have you gone to a driving education school or something?Don't smash the gas.Don't turn and shift at the same time..Do one thing at a time.(Accel, turn, brake etc.)Don't brake and turn, or shift the clutch and turn.

Slow is smooth, smooth is fast...

These cars spin the tires easily enough stock, with a turbo of course the wheels spin.

Your LSD might be bad too...

If you really dont' think this is normal, then have you gotten an alignment done lately?What tires do you have?

[jeff420]

are you sure you have an lsd and not a welded diff?

[unibody_s13]

im not smashing my gas...

ok dis is how things happen... lets say im in a mall's parking lot leaving.im backing up and turning my steering to back up. while im gasing to back up, my rear tires spins losing traction and rear shakes.its not normal.im not accelerating that hard.but whenever i drive straight my traction is fine-no shakes or pops.i dont do everything at the same time(steer,clutch,gear,accel etc.).

everything seems to be ok when im backing from a hill in neutral.even if i turn the steering wheel as far as it can go.no wheel spin or pop.

my lsd is good-jacked the car both tires spins the same way.no popping, grinding or unusual sounds coming from it.and if its bad why it only happens when cornering-i should at least notice some abnormalities when i go straight.i already searched alot of thread about this but havent got any answer.one thread here has the same problem-swapping vlsd and the same problem happened but he didnt say if he fixed it or not.

im really thinking that its my 1 piece driveshaft.my lsd was from a s14 with abs.i tried hooking my stock ds but its too long. so i decided to buy a s13 abs driveshaft but for the looks of it its short a lil bit. but the yoke can stil reach my transmission so i just decided to go with it.tried driving it and its ok no vibrations or shaking going straight-but shakes and having a bad wheel spin when turning.i called driveshaft shop and they said its normal and checked the driveshaft by shaking it but its all tight and set.how should the yoke go further??? how about greasing the shaft?

my alignment is fine. i have a 17" motegi rims with turanza tires and their new. idk wuts wrong. ill go get an alignment again tomaro coz its lifetym and i hope it solves my problem.

[modulation]

are you sure you have an lsd and not a welded diff?

I didn't even think of that, but that sounds exactly like what's going on...

Did some one sell you that "s14 lsd" ?

Do you notice it in parking lots alot?

[unibody_s13]

are you sure you have an lsd and not a welded diff?

yeah im sure its a lsd... i replaced the gasket and checked the gears inside.

[modulation]

im not smashing my gas...

ok dis is how things happen... lets say im in a mall's parking lot leaving.im backing up and turning my steering to back up. while im gasing to back up, my rear tires spins losing traction and rear shakes.its not normal.im not accelerating that hard.but whenever i drive straight my traction is fine-no shakes or pops.i dont do everything at the same time(steer,clutch,gear,accel etc.).

YEP!You got a welded diff, not a LSD.

[modulation]

Do you have any pictures?Maybe the VLSD failed and then they welded it..

Does it look like this?http://is.rely.net/3-99-7267-l...w.jpg

[unibody_s13]

I didn't even think of that, but that sounds exactly like what's going on...

Did some one sell you that "s14 lsd" ?

Do you notice it in parking lots alot?

i got the lsd from the shop where i bought my front clip. actually wuts weird is i drove for 40 mins saturday to go to my friends haus. when i got there i tried to parallel park and i didnt experienced the wheelspin and shaking and i was soo happy. and when i was about to leave after 4 hours it happened again, when i got home its not happening again. idk. i also bought subframe bushings that i dont really need but checked my bushing were stil ok...

[modulation]

It's the LSD for sure dude, my friends 510 with a welded diff does the same exact thing..

It might not be a welded diff, but a LSD that has gone bad or something..But it's something with your diff, I'd bet $100 (if I had to it.)

[unibody_s13]

Do you have any pictures?Maybe the VLSD failed and then they welded it..

Does it look like this?http://is.rely.net/3-99-7267-l...w.jpg

im not sure but it looks like it but no signs of welds. i tried to compare it to my open diff and the gears are different.

[unibody_s13]

It's the LSD for sure dude, my friends 510 with a welded diff does the same exact thing..

It might not be a welded diff, but a LSD that has gone bad or something..But it's something with your diff, I'd bet $100 (if I had to it.)

if its bad does it only happen when turning or cornering??? or can u also feel it going straight?

[modulation]

With a welded diff when you are going straight it doesn't do anything (because tires are turning at same rate.) It's only when you turn. (Cause the tires spin at different speeds.)

But if you have an LSD and it's gone bad or something then I have no idea what it would do. (besides act like a welded diff in certain circumstances.)

[unibody_s13]

With a welded diff when you are going straight it doesn't do anything (because tires are turning at same rate.) It's only when you turn. (Cause the tires spin at different speeds.)

But if you have an LSD and it's gone bad or something then I have no idea what it would do. (besides act like a welded diff in certain circumstances.)

if its a bad lsd will it produce unusual sounds? i searched about lsd problems and all of them experience whining and grinding sounds... my differential is quiet... you can hear the tires spinning... oh and also i filled it with lucas 80w90 gear oil.it says in the bottle "great for lsd" without adding the additive. so i didnt put any. u think adding the additive will solve it???

the shaking also is bad... like my rear is fighting for its life... can lsd cause that too...
Modified by unibody_s13 at 11:54 PM 12/22/2008

[jeff420]

you dont need an lsd additive, the vlsd is a sealed unit. im willing to bet its welded.

everything you described points to a welded diff. about your driveshaft bein too long, ive never had a problem using a vlsd with a non abs driveshaft, and ive done a few.

[unibody_s13]

you dont need an lsd additive, the vlsd is a sealed unit. im willing to bet its welded.

everything you described points to a welded diff. about your driveshaft bein too long, ive never had a problem using a vlsd with a non abs driveshaft, and ive done a few.

ok lets say its welded... is it safe to drive? i checked under my car last week and the right knuckle where the hub bolts on was loose...

so how can i reduce the wheel spin when turning?

[jeff420]

people drive on welded diff's all the time. its your choice. imo i would not. i feel its very dangerous. yes its cool for sliding around corners but your puting alot of stress. both wheels will always spin the same, so when turning the inside wheel will spin. eats through tires. i couldnt imagine driving it in rain. so personally would i run one? no. but everyone has their own opinions on stuff like this. imo welding a diff is no better than heating/cutting your stock springs.

sounds like you need to make sure everythings tight back there. loose bolts is not good. ever had a shock come undone while driving? it sucks. lol

[modulation]

Maybe that is the problem then...Drain your diff and fill it with normal diff fluid..

Perhaps the VLSD fluid is getting hot and semi-binding your LSD even when it shouldn't..

It might not fix anything, but it's worth a try.

[SullivanRacing06]

she got to much power captain!!

check the rear end fluid, when you refill the pumpkin add friction inducer so itll let the vlsd wrok better

[modulation]

she got to much power captain!!

check the rear end fluid, when you refill the pumpkin add friction inducer so itll let the vlsd wrok better

You're a moron, you must goto UF.Nissan VLSD's are SEALED UNITS. They don't require VLSD fluid as me and some one else above already said. The VLSD disc and fluid are sealed in a separate unit. You just add normal gear fluid.

[LayNLow240]

ok lets say its welded... is it safe to drive? i checked under my car last week and the right knuckle where the hub bolts on was loose...

so how can i reduce the wheel spin when turning?

Did you tighten those bolts that you saw were loose?But either way it sounds like you have a welded. And it is perfectly safe as long as the guy that welded it knew what they were doing. I daily a welded and i have no problems with it kicking out on its own. As long as you dont drive like an *** you shouldnt have a problem.

[SullivanRacing06]

You're a moron, you must goto UF.Nissan VLSD's are SEALED UNITS. They don't require VLSD fluid as me and some one else above already said. The VLSD disc and fluid are sealed in a separate unit. You just add normal gear fluid.

thank d!ck, and no i dont attend uf, stupid as$

[modulation]

thank d!ck, and no i dont attend uf, stupid as$

Damn so you are so stupid you couldn't even get into UF?You goto Santa Fe?

Cause I know, no one would want to live in the hick *** white trash town of gainsville if they aren't going to school there..

[unibody_s13]

Did you tighten those bolts that you saw were loose?But either way it sounds like you have a welded. And it is perfectly safe as long as the guy that welded it knew what they were doing. I daily a welded and i have no problems with it kicking out on its own. As long as you dont drive like an *** you shouldnt have a problem.

yeah me and my dad torqued it... i used an impact gun to tighten and a torque wrench to torque... i just dont understand why it came off... its scary! yeah ill keep it if its welded ill also try changing differential fluids just to be sure... im not a wreckless driver so i guess im okay!

thanks for all the help guys!!!

[modulation]

I'm no expert of welded diffs, but I believe you should be fine.It's annoying in parking lots, calls alot of attention to you, but no biggie.

Just be extra careful going around sharp corners in the rain.

How much did you pay for the LSD though? Or did it just come with the car.

[Urabus GodofTraction]

Damn so you are so stupid you couldn't even get into UF?You goto Santa Fe?

Cause I know, no one would want to live in the hick *** white trash town of gainsville if they aren't going to school there..

That's pretty much true. Well, not totally. The area around the college is nice. Move out toward Archer, Newberry, or East Gainesville, however, and man, white-trashy.

UF's a killer school though, thanks for playing.

If Sullivan went to UF, I'd light my diploma on fire.

[modulation]

UF's a killer school though, thanks for playing.

UF is a joke.They try and pretend to be all prestigious so that people think they are a top school but they aren't, and outside of Florida people laugh when you say UF like it's M.I.T. or something its just another state school get over-yourself. Everyone that goes there thinks they are going to harvard or something but it's yet another state school and the haughtiness and people walking around with a stick up there *** like they are gods gift to this world gets old real quick.

Your University is in a ****ty town, what are you going to do on the weekends go ride the bull?

Before you make any accusations, I didn't even apply to go there because I hated the damn town and students so much when I visited my sister (who know thinks she's the **** because she went there even though she majored in elementary education.)

[unibody_s13]

I'm no expert of welded diffs, but I believe you should be fine.It's annoying in parking lots, calls alot of attention to you, but no biggie.

Just be extra careful going around sharp corners in the rain.

How much did you pay for the LSD though? Or did it just come with the car.

i dont remember how much i paid... but i got it with a deal with my front clip...

[Samurai C]

a welded diff will do damage to the car goin around turns its not ment for daily driving you can damage ring and pinion gears, axles, and u joints and driveshaft, the "chatter" around turns is the inside tire trying to slow down its like a shock wave thru the whole drivetrain like grinding gears , a open rear allows the tires to spin a different speeds goin around turns, a welded rear has the spider gears removed (these gears allow the wheels to spin at different speeds) and the side gears are welded to the carrier (what the ring gear is bolted to) the foce of the inside tire trying to slow down has to go some were. i would get rid of it befor you mess something up and a nissan calls for 80/90 gear oil i use 75/90 synthetic ill try and find a exploded view of a rear its hard to understand if you dont know how a rear works

good luck!