Go Back   DodgeForum.com > Dodge Trucks > Dodge Ram > 3rd Gen Ram Tech
Sign in using an external account
Register Forgot Password?


3rd Gen Ram Tech 2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

Limited Slip Differential Fluid?

Reply
 
 
 
 
Thread Tools Search this Thread
  #1  
Old 03-24-2008, 07:23 PM
NYPANAMA42 NYPANAMA42 is offline
Record Breaker
 
Join Date: Aug 2006
Location:
Posts: 1,025
Default Limited Slip Differential Fluid?

Got a question for you fella's. It's my understanding that the "Limited Slip Differential Fluid" is going for 18.00 per 4 fl oz.
Now, i try my best to make sure that my Ram gets all of the right fluids, but the way the economy is right now, if i can save a couple of bucks, and still purchase a quality fluid, i will do it.
Is this the only " Limited Slip Differential Fluid" we can use in our trucks? Can it purchased cheaper?
One other question. Is all Limited Slip Differential Fluids the same?
This ad is not displayed to registered and logged-in members.
Register your free account today and become a member on Dodge Forums!
__________________
2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Line-X Bedliner
Tow Package
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil



8th Div. Alpha Dogs.
Reply With Quote
  #2  
Old 03-24-2008, 08:23 PM
MikeHTally's Avatar
MikeHTally MikeHTally is offline
Champion
 
Join Date: Aug 2007
Vehicle: 2003 1500 QCSB Hemi 4x2
Location: N. Florida
Posts: 4,461
Default RE: Limited Slip Differential Fluid?

I paid $8 for a seven ounce tube at Advance Auto Parts.
__________________
2003 1500 QC Hemi

2006 Chrysler 300C
2008 1/2 Mazda Speed3
Reply With Quote
  #3  
Old 03-24-2008, 08:32 PM
NYPANAMA42 NYPANAMA42 is offline
Record Breaker
 
Join Date: Aug 2006
Location:
Posts: 1,025
Default RE: Limited Slip Differential Fluid?


Quote:
ORIGINAL: MikeHTally

I paid $8 for a seven ounce tube at Advance Auto Parts.
Thats a good price. according to the manual, when adding the fluid to the rear differential you need to add 5oz of this Differential fluid in addition to the 75W-90GL 5 gear lubricant. Now at the dealership, the bottles only come in one size. 4oz. and inorder to have 5oz, you need to purchase 2 bottles at 18.00 dollars a piece......

is the one you purchased from Advance Auto compatiable with the Mopar brand?
__________________
2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Line-X Bedliner
Tow Package
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil



8th Div. Alpha Dogs.
Reply With Quote
  #4  
Old 03-24-2008, 08:35 PM
HammerZ71's Avatar
HammerZ71 HammerZ71 is offline
Administrator
Dodge Forum Administrator
 
Join Date: Jul 2007
Vehicle: 2014 2500 CTD 4x4
Location: South Georgia/East Florida
Posts: 23,907
Default RE: Limited Slip Differential Fluid?

Even the Amsoil Limited Slip Additive is only $7.50 a bottle, where the hell you getting that price? The Dealer?
I usually pay $4.95 to $5.95 a bottle.
Reply With Quote
  #5  
Old 03-24-2008, 08:38 PM
NYPANAMA42 NYPANAMA42 is offline
Record Breaker
 
Join Date: Aug 2006
Location:
Posts: 1,025
Default RE: Limited Slip Differential Fluid?

i was at the dealership today and they indicated that it was $18.00 dollars a bottle.
where did you buy yours Hammer for only $4.95 a bottle?
__________________
2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Line-X Bedliner
Tow Package
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil



8th Div. Alpha Dogs.
Reply With Quote
  #6  
Old 03-24-2008, 08:43 PM
codiac codiac is offline
Professional
 
Join Date: Jan 2008
Vehicle: 2004 Dodge Ram 1500 QCSB
Location: Kansas City, MO
Posts: 116
Default RE: Limited Slip Differential Fluid?

My manual says 4oz....get a new manual. Mine's an 04, I don't imagine it's different. Buy the Mopar junk, or drop the coin for some Royal Purple or Amsoil.

Link to d/l new manual....pg 351 is where I am looking.
http://www.dodge.com/en/owners/manua...00%20%28Gas%29

__________________
2004 Dodge Ram 1500 QCSB Laramie
Reply With Quote
  #7  
Old 03-24-2008, 08:50 PM
MikeHTally's Avatar
MikeHTally MikeHTally is offline
Champion
 
Join Date: Aug 2007
Vehicle: 2003 1500 QCSB Hemi 4x2
Location: N. Florida
Posts: 4,461
Default RE: Limited Slip Differential Fluid?

75w-90 is the front diff. Unless it's LSD as well (possible but not likely) the additive only needs to go in the rear diff. The stuff I bought at Advance is Trans-X, made by CRC Chemical.
__________________
2003 1500 QC Hemi

2006 Chrysler 300C
2008 1/2 Mazda Speed3
Reply With Quote
  #8  
Old 03-24-2008, 08:58 PM
NYPANAMA42 NYPANAMA42 is offline
Record Breaker
 
Join Date: Aug 2006
Location:
Posts: 1,025
Default RE: Limited Slip Differential Fluid?

Judging from some of the answers given. I guess it would be same to assume that all Diff. Fluids are compatible...Am i right on this?
__________________
2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Line-X Bedliner
Tow Package
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil



8th Div. Alpha Dogs.
Reply With Quote
  #9  
Old 03-24-2008, 09:07 PM
MikeHTally's Avatar
MikeHTally MikeHTally is offline
Champion
 
Join Date: Aug 2007
Vehicle: 2003 1500 QCSB Hemi 4x2
Location: N. Florida
Posts: 4,461
Default RE: Limited Slip Differential Fluid?

Well, according to the shop manual, it must be synthetic, 75w-140 rear, 75w-90 front. LSD additive (four ounces if at stock capacity). When you pop the cover, make sure the c-clips are not floating around. Hopefully, they're in the bottom of the pumpkin, out of the way. If so, MAKE SURE you get all the parts out. If they're still in the clutch packs, you may need to remove them so they don't cost you $$$ later.
__________________
2003 1500 QC Hemi

2006 Chrysler 300C
2008 1/2 Mazda Speed3
Reply With Quote
  #10  
Old 03-24-2008, 10:59 PM
mmstar23 mmstar23 is offline
Champion
 
Join Date: Jan 2008
Posts: 2,899
Default RE: Limited Slip Differential Fluid?

so if im gonna open up my differential cover and change the fluid....what fluid do i exactly need? sorry for the newb question but im still learning. and what are the c clips? i know you gotta get and metal shavings or any debris off the magnet at the bottom.
Reply With Quote
  #11  
Old 03-25-2008, 01:14 AM
RamItOne RamItOne is offline
 
Join Date: Dec 2007
Location:
Posts: 4,394
Default RE: Limited Slip Differential Fluid?

MMStar




http://www.amsoil.com/storefront/svo.aspx for the rear.......




http://www.amsoil.com/storefront/svg.aspx for the front, you can even use the 110 if youd like (for 4wd trucks)


btw amsoil does sell an LSD additive but their website and mechs that i have talked to said that you dont have to add the lsd additive when you use the severe gear as it already has some in it. i havent heard any chatter at all.


Reply With Quote
  #12  
Old 03-25-2008, 07:05 AM
MikeHTally's Avatar
MikeHTally MikeHTally is offline
Champion
 
Join Date: Aug 2007
Vehicle: 2003 1500 QCSB Hemi 4x2
Location: N. Florida
Posts: 4,461
Default RE: Limited Slip Differential Fluid?

C-clips were used to hold the clutch packs together when the 9 1/4" corporate LSD rearend was assembled at the factory. They sometimes fail, less often catastrophically, causing gear and housing damage. This does not apply if your truck does not have LSD. As stated, you need 75w-140 synthetic in the rear diff and 75w-90 in the front. If the truck does have LSD, you need four ounces of friction modifier for the clutch packs to do their job. These lube specs are from the shop manual on my '03, but it isn't likely to be different. To find out if your truck has LSD, look for a sticker on the glove box door and a reference to "... anti-spin ..." If there is no sticker, find a place where you can put one rear wheel on a slippery surface and one on a dry surface. Goose it. If it just spins the wheel on the slippery side, you don't have LSD. If it spins briefly and then moves out, you do have LSD.
__________________
2003 1500 QC Hemi

2006 Chrysler 300C
2008 1/2 Mazda Speed3
Reply With Quote
  #13  
Old 03-25-2008, 09:53 AM
mmstar23 mmstar23 is offline
Champion
 
Join Date: Jan 2008
Posts: 2,899
Default RE: Limited Slip Differential Fluid?

i dont think i have LSD then, only 1 tire spins when ive done it before. wish both would spin..but hey, just the passenger side rear spins. in this case what fluid do i need for my differential? i was gonna go with royal purple
Reply With Quote
  #14  
Old 03-25-2008, 09:56 AM
NYPANAMA42 NYPANAMA42 is offline
Record Breaker
 
Join Date: Aug 2006
Location:
Posts: 1,025
Default RE: Limited Slip Differential Fluid?

I guess the requirements for fluids have changed, from one year to the next. My manual indicated that it's supposed to take
75W-90GL For th front and rear. with the Limited slip diff. fluid being added to the rear only.....
how come you guys are using this 140 stuff? were you're rear differentials designed differently?
__________________
2002 Dodge Ram 1500 Quad Cab 4X4 4.7LTR V-8
K&N Air filter system
Westin Nerf Bars
Line-X Bedliner
Tow Package
Flow Master Super 40 Muffler
Mobil 1 Synthetic Oil



8th Div. Alpha Dogs.
Reply With Quote
  #15  
Old 03-25-2008, 10:40 AM
RamItOne RamItOne is offline
 
Join Date: Dec 2007
Location:
Posts: 4,394
Default RE: Limited Slip Differential Fluid?

You must have the 10 bolt 8.25 rear end.
We have the 9.25 12 bolt
Reply With Quote
  #16  
Old 03-25-2008, 10:43 AM
RamItOne RamItOne is offline
 
Join Date: Dec 2007
Location:
Posts: 4,394
Default RE: Limited Slip Differential Fluid?

Mmstar LSD or anti spin is more common on 4wd. Its only like a 300 option so dont know why they dont put them in all trucks.
Reply With Quote
  #17  
Old 03-25-2008, 01:37 PM
HammerZ71's Avatar
HammerZ71 HammerZ71 is offline
Administrator
Dodge Forum Administrator
 
Join Date: Jul 2007
Vehicle: 2014 2500 CTD 4x4
Location: South Georgia/East Florida
Posts: 23,907
Default RE: Limited Slip Differential Fluid?

Quote:
ORIGINAL: NYPANAMA42

i was at the dealership today and they indicated that it was $18.00 dollars a bottle.
where did you buy yours Hammer for only $4.95 a bottle?
Just checked my invoice, was charged $5.25 for 4 oz. of friction modifier when I had the gears checked and fliuds changed at 4 Wheel Parts at my 500 mile check, after having them change my gears.

I think I remember seeing it for $5.95 at Advance, though...
Reply With Quote
  #18  
Old 03-25-2008, 03:46 PM
mmstar23 mmstar23 is offline
Champion
 
Join Date: Jan 2008
Posts: 2,899
Default RE: Limited Slip Differential Fluid?

no its a 12 bolt......pretty sure its a 9.25, not POSITIVE but pretty damn sure. 3.92 gears too.....thats what its says on the axle. it has 12 bolts..i can count. the sticker says 3.92 and the sticker that says the size is ripped right where it says the size i conly only read " .25" figures the first # is gone!
Reply With Quote
  #19  
Old 03-25-2008, 04:05 PM
MikeHTally's Avatar
MikeHTally MikeHTally is offline
Champion
 
Join Date: Aug 2007
Vehicle: 2003 1500 QCSB Hemi 4x2
Location: N. Florida
Posts: 4,461
Default RE: Limited Slip Differential Fluid?

From my '03 shop manual. Not sure 'bout the '02, and my '04-'06 manuals are on a different PC:
FRONT AXLE
²
C205F - Mopart Gear Lubricant 75W-90
²
9 1/4 AA - Mopart Synthetic Gear Lubricant
75W-90
REAR AXLE
²
9 1/4 - Mopart Synthetic Gear Lubricant 75W-140
²
10 1/2 AA - Mopart Synthetic Gear Lubricant
75W-90
²
11 1/2 AA - Mopart Synthetic Gear Lubricant
75W-90
NOTE: Trac-Lok
T differentials require Limited Slip
Additive in the lubricant. Trac-Rite™ differentials
DO NOT require Limited Slip Additive.
__________________
2003 1500 QC Hemi

2006 Chrysler 300C
2008 1/2 Mazda Speed3
Reply With Quote
  #20  
Old 03-25-2008, 05:25 PM
damram1980 damram1980 is offline
Professional
 
Join Date: Mar 2008
Location:
Posts: 229
Default RE: Limited Slip Differential Fluid?

if ur gonna go through the trouble , get shiny new dif cover
__________________
2003 ram and durango
both 4.7
both 4x4
"BEER IS PROOF THAT GOD LOVES US"--BEN FRANKLIN


Reply With Quote
Old 03-25-2008, 05:25 PM
 
 
 
Reply




Tags
02, 1500, 7592, additive, change, differential, dodge, equivilent, fluid, gl5, limited, mopar, oil, oils, ram, rear, slip, synthentic, synthetic

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

Join DodgeForum
Advertising

Featured Sponsors
Vendor Directory
Our Sponsors
All times are GMT -4. The time now is 11:11 PM.

Internet Brands, Inc.


Contact Details & Emails