Differential Question
04-01-2007, 06:45 PM
#1
Differential Question
I just spent too much time looking for info on differentials on this site.
I am trying to gain some info on VLSD and LSD and how to install them.
Also, does anyone know where the thread is that tells us how to determine what kind of diff. we have?
If I recall correctly, RS5F50A = Open diff.
RS5F50V = LSD.
?
I am trying to gain some info on VLSD and LSD and how to install them.
Also, does anyone know where the thread is that tells us how to determine what kind of diff. we have?
If I recall correctly, RS5F50A = Open diff.
RS5F50V = LSD.
?
04-01-2007, 06:56 PM
#2
Yeah, the "V" at the end of the tranny code designates a VLSD.
Since the diff is pretty much integrated into our tranny (FWD transversely mounted engine), usually in order to install a VLSD you just acquire an I30t VLSD transmission and swap them out.
Since the diff is pretty much integrated into our tranny (FWD transversely mounted engine), usually in order to install a VLSD you just acquire an I30t VLSD transmission and swap them out.
04-01-2007, 07:00 PM
#3
Originally Posted by MaximA VlaD
I just spent too much time looking for info on differentials on this site.
I am trying to gain some info on VLSD and LSD and how to install them.
Also, does anyone know where the thread is that tells us how to determine what kind of diff. we have?
If I recall correctly, RS5F50A = Open diff.
RS5F50V = LSD.
?
I am trying to gain some info on VLSD and LSD and how to install them.
Also, does anyone know where the thread is that tells us how to determine what kind of diff. we have?
If I recall correctly, RS5F50A = Open diff.
RS5F50V = LSD.
?
On 4th gen autos, it's RE4F04A for open differential, and RE4F04V for VLSD. I know this - I've bought a VLSD and installed it. Driver's side axle is different also.
I dont remember the 5-spd numbers, but the same axle warning applies.
Good luck... maybe this will help.
04-02-2007, 04:16 PM
#7
Originally Posted by MaximA VlaD
thanks guys. what about the HLSD - helio... ? is that worth a try?
04-02-2007, 06:11 PM
#8
Originally Posted by em06
Not to high jack this thread, but before i got my car the tranny was swapped out, how can i check to see if it is still a VLSD or not. Also what is the difference in the drive shafts.
you can also jack up front of the car and leave it in neutral. spin one wheel and if the other spins in the same direction, its a VLSD.
correct me if i'm wrong, but thats what i have learned from browsing the posts.
05-02-2007, 05:42 AM
#9
Newbie - Just Registered
Join Date: Apr 2007
Posts: 1
Originally Posted by MaximA VlaD
thanks guys. what about the HLSD - helio... ? is that worth a try?
05-02-2007, 09:23 AM
#10
Originally Posted by MaximA VlaD
driver's side shaft is different.
you can also jack up front of the car and leave it in neutral. spin one wheel and if the other spins in the same direction, its a VLSD.
correct me if i'm wrong, but thats what i have learned from browsing the posts.
you can also jack up front of the car and leave it in neutral. spin one wheel and if the other spins in the same direction, its a VLSD.
correct me if i'm wrong, but thats what i have learned from browsing the posts.
Dave
05-02-2007, 06:25 PM
#11
Originally Posted by brownnote
not to hijack, but how much power do you think the hlsd can take... (sorry for the newb question, but my search button is disabled!)
The differential itself can take whatever you throw at it (except maybe wheelhop). You're going to break gears before you break the helical limited slip diff.
)
07-25-2010, 09:47 PM
#13
Member
Join Date: May 2007
Location: Bolton, CT
Posts: 199
I don't have the pictures you asked for but I did experience the difference first-hand.
The LSD shaft is about an inch longer than the open diff shaft.
Apparently, before I bought my Max, someone had mistakenly put one in. The extra inch causes the shaft to run into a planetary gear shaft that's visible when you take the shaft out (auto).
Bought what I thought was the right shaft but when I compared it to what came out it was different (LSD shaft) so I hunted down the LSD shaft and put it in without noticing that the dirt shield was so far off the tranny. It was also just plain difficult to install because of the extra length.
Anyway, next day or so I looked more closely and realized something was wrong and returned the LSD shaft and got back the open shaft.
BTW, I suspect that having the wrong shaft installed took out my drivers side wheel bearing which I had just replaced! Clearly the old bearing had been taken out by the previous owner putting in the wrong shaft in the first place.
The LSD shaft is about an inch longer than the open diff shaft.
Apparently, before I bought my Max, someone had mistakenly put one in. The extra inch causes the shaft to run into a planetary gear shaft that's visible when you take the shaft out (auto).
Bought what I thought was the right shaft but when I compared it to what came out it was different (LSD shaft) so I hunted down the LSD shaft and put it in without noticing that the dirt shield was so far off the tranny. It was also just plain difficult to install because of the extra length.
Anyway, next day or so I looked more closely and realized something was wrong and returned the LSD shaft and got back the open shaft.
BTW, I suspect that having the wrong shaft installed took out my drivers side wheel bearing which I had just replaced! Clearly the old bearing had been taken out by the previous owner putting in the wrong shaft in the first place.
08-07-2010, 08:14 AM
#16
My 96 auto doesn't seem to have a tag on it. Is there anywhere else I can find out if my tranny is LSD or open?
Ha nm sorry found it on the firewall tag
Ha nm sorry found it on the firewall tag
Last edited by Sandm849; 08-07-2010 at 08:18 AM.
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