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Jimmer
Dodge Dakota
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12/01/2004
19:31:41
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 Subject: Rear end oil
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I was under my R/T this weekend replacing the rear shocks when I noticed the rear end was leaking.
So, the next job on the maintance list is to replace the gasket and refill the pumpkin. What is the best gasket and oil to use for this job?
Any suggestions?
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01Motorsport
Dodge Dakota
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12/01/2004
20:00:48
| RE: Rear end oil
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Jimmer, I'm going with Amsoil synthetic when I change the fluid in the LSD soon, for two reasons: extended drain interval and mpg improvement. Check and see if the leak you found is the rear end gasket and not the rear pinion seal (at the driveshaft).
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.boB
Dodge Dakota
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12/01/2004
22:48:46
| RE: Rear end oil
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I like synthetic for a lot of reasons. And I use Ford Motorsports friction modifier.
As for the the leak, there is no gasket on the cover, use silicone sealant.
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Wal
Dodge Dakota
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12/01/2004
23:52:50
| RE: Rear end oil
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I ran some cheap synthetic and my rear LSD wasn't feeling right. I added a friction modifier and the rear would groan and shutter when warm. I drained it and put in Royal Purple gear lube (no modifier required) and the rear is happy and quiet.
Wal
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Ratdog
Dodge Dakota
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12/02/2004
01:29:47
| Amsoil 80W90, and
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for the Posi-Unit, their Posi additive. Just did it yesterday. I'm likin' it.
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USCGRT
Dodge Dakota
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12/02/2004
16:56:31
| RE: Rear end oil
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i am wanting to change out mine also can somebody give me a play by play i will be using amsoil? thanks.
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Last I knew
Dodge Dakota
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12/02/2004
18:12:51
| RE: Rear end oil
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there is no gasket for the rear cover. The factory uses RTV sealant. I run syn. lube, have since new, when I first changed to it I used NAPA additive and it shuddered around corners when warm. I put in the DC additive and the problem went away.
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AmsoilSponsor
DakotaEnthusiast
12/02/2004
19:41:58
|  Rear end oil = Amsoil Gear Lube = Amzoil Ams Oil
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USCGRT,
DIY Helpful Information
For those of you thinking of changing your own fluids (DIY) ...
Helpful Differential Recommendations:
-Flush (drain) as much of the old fluid out.
-Differential fluid capacity depends on ring gear and axle housing size.
-Do not over/under fill differential. This could mean a capacity difference of a quart or more and may cause overheating problems. (See the owner’s manual for proper fill level)
AMSOIL gear oils are formulated with friction modifiers for limited slip differential applications. There is no need to add limited slip or additional additives.
-After changing the differential fluid, drive the vehicle in 7 or 8 figure eight turns, so the new lubricant can work its way into the axle assembly.
__________________________________________________
FYI - Gear Lube Information:
High quality gear oils must lubricate, cool and protect geared systems. They must also carry damaging wear debris away from contact zones and muffle the sound of gear operation. Commonly used in differential gears and standard transmission applications in commercial and passenger vehicles, as well as a variety of industrial machinery, gear oils must offer extreme temperature and pressure protection in order to prevent wear, pitting, spalling, scoring, scuffing and other types of damage that result in equipment failure and downtime. Protection against oxidation, thermal degradation, rust, copper corrosion and foaming is also important.
__________________________________________________
You can Request a FREE Amsoil Catalog by clicking below.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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AmsoilSponsor
DakotaEnthusiast
12/02/2004
19:49:54
| Rear end oil = Amsoil Gear Lube = Amzoil Ams Oil
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... and now a word from your DodgeDakotas.com Sponsor:
____  ___  _____
_______________________________________________________
AMSOIL Series 2000 Synthetic 75W-90 Gear Lube delivers unbeatable protection and fuel economy (independent testing shows class 8 vehicles with AMSOIL Series 2000 Synthetic 75W-90 Gear Lube in the differentials obtained up to 4.83 percent more mpg than vehicles equipped with another popular gear lube). Amsoil Synthetic Gear Lube has the film strength required to deliver all the protection heavy-duty and high-stress applications need in a fuel-saving viscosity grade. AMSOIL Series 2000 Synthetic 75W-90 Gear Lube is recommended for use in all passenger vehicles, commercial trucks and race vehicles.
_______________  _______________
AMSOIL Series 2000 Synthetic 75W-90 Gear Lube delivers unbeatable protection and fuel economy. It has the film strength required to deliver all the protection heavy-duty and high-stress applications need in a fuel-saving viscosity grade. Recommended for use in all passenger vehicles, commercial trucks and race vehicles. Product Code: TGR
APPLICATIONS
AMSOIL Series 2000 Synthetic Gear Lube is Recommended
for Applications Requiring the Following Specifications:
API MT-1, GL-2 THROUGH GL-5
MIL-PRF-2105E
MACK GO-J, GO-J PLUS
CHRYSLER MS-9070
GM 12346190
FORD M2C-201-A
ROCKWELL 0-76-E
EATON PS-037A, PS-109
AMSOIL Series 2000 Synthetic Gear Lube provides limited slip performance. Although generally not necessary, original equipment manufacturers' limited slip additives may be used in conjunction with AMSOIL Series 2000 Synthetic Gear Lube.
NOTE: Most vehicle manufacturers recommend driving a vehicle in tight figure "8" patterns eight to ten times after changing limited slip lubricants.
__________________________________________________
Amsoil Series 2000 Gear Lube is latest introduction from Amsoil offering a higher level of performance vs. Amsoil's regular gear lube. They start with a different base stock with a special additives package. Amsoil could have discontinued the regular gear lube but contine to carry it due to its popularity.
I have Freightliner customers driving Class 8 Tractor Trailor Trucks using 75w-90 synthetic gear lube in their difs. Tuff enough for them ... Tuff enough for me.
__________________________________________________
You can Request a FREE Amsoil catalog by clicking below.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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Ratdog
Dodge Dakota
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12/02/2004
19:50:04
|  Changing it....
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Pull your bolts and have your pan ready to catch the fluid.
Pull/clean the cover (inside/outside).
I used some Amsoil Power foam degreaser inside the pumpkin to loosen the sludge.
Hose it down WELL with some brake cleaning spray.
I used a FelPro gasket for mine.
Mine took about half a gallon of 80W90 Amsoil synthetic.
I added a dose of the posi-additive (Amsoil) as well.
I smeared a little silicone on the plug before puting it back in after filling the differential.
My Dakota is a '90 Club Cab 2WD 3.9 V6 auto with a posi-rearend.
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AmsoilSponsor
DakotaEnthusiast
12/02/2004
19:55:26
| AMSOIL Slip-Lock Differential Additive - Gear Lube
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Additives ???
AMSOIL Slip-Lock Differential Additive
Effectively Eliminates Gear Housing Chatter
_______________  __________
When making a turn, the outer wheels of a vehicle must travel faster than the inner wheels. It is up to the differential to act as a balance arm, establishing constant equilibrium of torques and forces between the left-hand and right-hand driven wheels. In standard (or open) differentials, power is directed to the wheel offering the least resistance. This works well when making a turn, but in a situation where one wheel is lifted off the ground, it causes the suspended wheel to turn while the other remains motionless.
Limited-slip (or positraction) and locking differentials are traction-increasing devices. Locking differentials transfer all available torque to both wheels. The teeth of the spider assembly engage with those on the locker clutch, causing both axle shafts to operate as one. Locking differentials don't allow one drive wheel to spin while the other remains stationary. Instead, they keep both wheels in drive mode, but unlock to permit different wheel speeds when turning. The engaging and disengaging of the teeth on automatic locking differentials often causes a banging and clunking sound. Manual locking differentials usually use an electric motor or vacuum diaphragm to engage the locker, reducing this noise.
__________  __________
Limited-slip differentials allow different wheel speeds when turning, but when one wheel loses traction, greater torque is transferred to the wheel offering more resistance. Limited-slip differentials make use of friction between clutch plates, as opposed to the meshing teeth employed by locking differentials. Transferring less torque per side, limited-slip differentials are generally smoother and quieter than locking differentials, but still sometimes "chatter" when transferring torque to the wheel with traction.
In some differential applications, a friction modifier additive is necessary to reduce chatter. AMSOIL Slip-Lock Differential Additive is formulated with advanced friction modifiers and is designed to eliminate gear-housing chatter in cars, trucks and SUVs equipped with limited-slip, positraction and locking differentials. It also reduces the banging and clunking associated with automatic locking differentials.
AMSOIL Slip-Lock Differential Additive is formulated for use with both synthetic and petroleum gear lubricants and safely replaces manufacturer recommended friction modifiers. Its convenient flip-top dispenser provides quick and easy application to the gear housing. One four-ounce bottle of Slip-Lock treats differential capacities of two to four quarts. It is not for use in automatic transmissions or other applications requiring ATF.
NOTE: AMSOIL Synthetic Gear Lubes DO NOT require the use of this additive. However, not all differentials respond the same and if chatter is noticed, the addition of AMSOIL Slip-Lock will eliminate it. For chattering differentials not running AMSOIL Gear Lube, this product is an excellent solution to the problem.
__________________________________________________
You can Request a FREE Amsoil Catalog by clicking below.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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Ratdog
Dodge Dakota
JOIN HERE
12/02/2004
20:50:23
| Yup... "Slip Lock" is what
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I added in with my fluid change. Got a little over 200 miles on since changin' it out... I'm a happy camper. The tranny's shifting smoother as well. (Did the fluid flush/filter service at the same time)
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ohnoanother
Dodge Dakota
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12/02/2004
21:53:00
| RE: Rear end oil
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Message:
hijack
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Tony
Dodge Dakota
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12/03/2004
01:52:12
| RE: Rear end oil
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I took the time to get a big enough sheet of cork gasket material & made my own diff. gasket. Not a big fan of RTV. Got it from the Zone if I remember. Made a round trip to Sandy Eggo & OrLanDough from Lawn Guyland here w/o any problems.
I also dumped Mobil 1 into the rear after putting in the no slip from powertrax.
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AmsoilSponsor
DakotaEnthusiast
12/03/2004
06:28:03
|  RE: Rear end oil
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Message:
Not "hijacked" ... Informative information interspersed with advertisements.
Part of my agreement with the site owner (Mark) for being a paying member, site sponsor, and volunteer moderator. Thank You ... and I was happy to be of service to those who inquired about how to "DIY", and what products they might want to consider ... Amsoil.
__________________________________________________
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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Jimmer
Dodge Dakota
JOIN HERE
12/03/2004
22:28:02
| RE: Rear end oil
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Message:
Thanks for all the great feedback. I don't consider the Amsoil guy (Stephen) to be a hijacker. His opinion is welcome.
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AmsoilSponsor
DakotaEnthusiast
12/04/2004
07:12:16
| AMSOIL SEVERE GEAR™ Synthetic EP Gear Lube
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Message:
Jimmer
AMSOIL Introduces ---
AMSOIL SEVERE GEAR™ Synthetic Extreme Pressure Gear Lube
____________  ____________
AMSOIL INC. of Superior, WI has updated its gear lube formulations in order to optimize its gear lubes for modern applications. AMSOIL SEVERE GEAR™ Synthetic Extreme Pressure Gear Lube, available in 75W-90 and 75W-140 viscosities, is ideally suited for vehicles that experience towing, hauling, steep hill driving, commercial use, racing, off-road use, rapid acceleration, stop and go driving and high ambient temperatures.
Modern vehicles are designed with more horsepower and torque than in years past, allowing them to haul and tow heavier loads. The result is higher gear loading and hotter running differentials. In addition, factors such as increased interior space and lower floor boards push axles higher into the vehicle's body, reducing air flow and increasing heat. The closer proximity of the axles to the exhaust system also effectively raises temps, while more aerodynamic body styles and air dams restrict air flow to the differentials.
SEVERE GEAR™ Synthetic EP Gear Lubes deliver unbeatable power-enhancing protection, thermal stability and fuel economy in both heavy-duty and severe service operations. AMSOIL SEVERE GEAR™ has the film strength required to deliver all the protection high stress applications need in a fuel-saving viscosity grade at a competitive price. Recommended for use in all passenger vehicles, light trucks, SUVs, commercial trucks and race vehicles.
__________________________________________________
You can REQUEST A FREE AMSOIL CATALOG by clicking below.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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concerned
Dodge Dakota
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12/04/2004
11:24:11
| RE: Rear end oil
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high-jack-er
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QuadRider
Dodge Dakota
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12/04/2004
21:23:50
| RE: Rear end oil
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Steven is the absolute best member/sponsor this site has ever
had.
Say what you want but my business goes to him.
I wish that other sponsors and vendors were as helpful as he.
FastQuads4ever
QR
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Dex
Dodge Dakota
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12/04/2004
23:04:47
| RE: Rear end oil
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I have to agree with QuadRider, Steve provides good info to people who post.
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