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GraphiteDak
GenIII
 
2/11/2006
21:38:46
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 Subject: Using Amsoil in the differentials
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I finally used the Amsoil I bought a few months ago for the differentials and my transfer case.
out with that black ATF fluid form my transfer case...
In with the new. It uses ATF4 like the tranny does.
After about 1000 miles on the new 4.56 gears I sucked that stuff out.
And in went the severe duty Amsoil oil.
The front diff too.
This stuff is supposed to last a really long time. And maybe give me some mileage?
Now everything is Amsoil except for the tranny.
I'll have to save up some more coin before I can afford it for the tranny.
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jpkomm
Dodge Dakota
JOIN HERE
2/12/2006
07:31:57
| RE: Using Amsoil in the differentials
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I had do to without the essentials... like eating. I managed to afford enough to get that tranny flush with the AMSOIL universal ATF along with doing what you have done here. Well worth it! I lost 5lbs on the AMSOIL diet and you can too! ;)
The rear differential (also changed the front) fluid really helped on my 3.55 rear end. It doesn't have that irritating whine that it sometimes had from the stock mopar fluid (checked and wasn't low). The Mopar fluid had only 26k miles on it, but whenever you turned left or right in a parking lot it made in urcha urcha urcha noise. The Transfer case fluid helped my truck go into 4x4 a lot more smoother than it did before. Honestly, I couldn't even tell it had shifted into 4x4 until I started moving.
After doing all that to my truck a month or so ago, I've noticed a slight improvement in gas mileage. I hope you do too.
Next project: Powersteering flush with AMSOIL Universal ATF & Coolant flush with AMSOIL
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meat
Dodge Dakota
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2/12/2006
11:39:07
| RE: Using Amsoil in the differentials
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GraphiteDak - Nice work, especially like the pic of you kicking your neighbors car.
jpkomm - How do you plan on doing the power steering flush? I've taken a suction gun to reservoir a couple of times but would like to do the whole thing.
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jpkomm
Dodge Dakota
JOIN HERE
2/12/2006
12:13:07
| RE: Using Amsoil in the differentials
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Actually, meat, I'm still trying to figure that one out. I'm going to check around to see if I can find anyone that has the equipment to do it. I'm gonna check around at Autozone and a few other places to see if they have something I can buy or rent. I'd like to do it myself... but if I absolutely have to, I'll take it to a shop and get it done.
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GraphiteDak
GenIII
2/12/2006
19:07:39
| RE: Using Amsoil in the differentials
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"Nice work, especially like the pic of you kicking your neighbors car. "
Not sure which picture you mean Meat.
Unless you mean my daughter's foot (without shoes on) sticking out on that one picture.
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AmsoilSponsor
DakotaEnthusiast
2/12/2006
19:42:32
|  Amsoil in the differentials - Dealer Steven Roark
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GraphiteDak,
Great Pictures and Great Reporting. Thanks for choosing AMSOIL.
AMSOIL SEVERE GEAR™ Synthetic Extreme Pressure Gear Lube is Amsoil's "upgraded" Amsoil Series 2000 Gear Lube ... formulated in order to optimize it for modern applications.
Formulated for the severe operating conditions of today's pick-up trucks, SUVs, heavy equipment and other hard working vehicles.
__________________________________________________
SERVICE LIFE
For product service life in differentials, consult your owner’s manual or the Original Equipment Manufacturer (OEM) to establish the application, NORMAL or SEVERE.
NORMAL SERVICE
Cars, SUV, Light & Medium Duty Trucks Drain at 100,000 miles of service or according to the owner’s manual, whichever is longer
SEVERE SERVICE
Drain at 50,000 miles of service or according to the owner’s manual, whichever is longer
HEAVY DUTY Off-ROAD VOCATIONAL SERVICE
Follow the OEM drain interval (miles or hours) for synthetic oil up to 120,000 miles or 1 year, whichever comes first. Otherwise, drain at twice the OEM interval for conventional oil.
__________________________________________________
Performance
AMSOIL SEVERE GEAR™ provides performance beyond that possible with conventional gear oil. These AMSOIL custom products offer superior gear and bearing protection, better friction and heat reduction, increased efficiency and extended service life.
-- Superior Film Strength
-- Controls Thermal Runaway
-- Rust and Corrosion protection
-- Reduced Operating Temperatures
-- Improved Efficiency
-- Longer Oil, Seal, & Equipment Life
AMSOIL Severe Gear Synthetic Extreme Pressure (EP) Lubricants are premium grade lubricants specifically engineered for maximum performance in severe duty applications.
AMSOIL Severe Gear lubricants prevent ",b>thermal runaway" - a phenomenon caused by a lubricant's inability to control friction and increased heat under high-stress conditions. By preventing thermal runaway, AMSOIL Severe Gear Synthetic EP Lubricants inhibit rapid lubricant degradation and component damage.
Equipment runs better and lasts longer with AMSOIL Severe Gear Synthetic EP Lubricants.
__________________________________________________
Regular 75w-90 or AMSOIL SEVERE GEAR™ 75w-90 or 75w-140?
A lot of people ask ... which 75w-90 or should I use 75w-140? Personally, I would recommend to most people that they use the regular synthetic 75w-90 since our regular synthetic 75w-90 performs above and beyond the recommended petroleum (crude or dino) 75w-90. You will also get better MPG using 75w-90 than using the 75w-140 which should be considered only if you experience the following conditions: a lot of towing, hauling, steep hill driving, commercial use, racing, off-road use, rapid acceleration, stop and go driving and high ambient temperatures.
If you think your gears need additional protection ... rather than use the 75w-140 Gear lube, I would recommend the AMSOIL SEVERE GEAR™ Synthetic Extreme Pressure 75w-90 Gear Lube.
__________________________________________________
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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01Motorsport
Dodge Dakota
JOIN HERE
2/12/2006
22:37:44
| RE: Using Amsoil in the differentials
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I've used Amsoil synthetic in my '01 4.7 5-spd 2wd RC's 9.25" 3:92 LSD for 35K miles now. Slight mpg improvement, quieter, and no friction modifier needed. Extended drain interval a real plus, as well. Primo stuff!
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GraphiteDak
GenIII
2/14/2006
19:01:03
| RE: Using Amsoil in the differentials
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Message:
I did have to add the friction modifier after switching. I had a chatter when backing into my driveway and an angle.
The Severe Gear oil said to add the additive IF chattering occured.
It seems quiet now.
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AmsoilSponsor
DakotaEnthusiast
2/15/2006
06:14:43
|  Using Amsoil in the differentials - Amsoil Forum
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GraphiteDak,
Thanks again for posting the pic's.
In general, 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.
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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.
__________________________________________________
Anyone interested in getting more information regarding AMSOIL Synthetic Lubrication and Filtration products can click the following link and request a FREE Amsoil Catalog.
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
2/15/2006
06:19:26
| Using Amsoil in the differentials - Amsoil Forum
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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.
__________________________________________________
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. If you choose a different manufacturer than Amsoil ... fine by me, just offering my services.
-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.
Synthetics provide the long-lasting protection, fuel efficiency and dependability needed for top performance, even extreme-pressure conditions. Stays fluid in cold temperatures for easy cold-weather shifting.
__________________________________________________
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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DSW
Dodge Dakota
JOIN HERE
2/15/2006
22:33:34
| RE: Using Amsoil in the differentials
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Graphite, you should have got 5 gallons (2- 2.5 gallon jugs) of the Universal ATF, this would have been enough to flush the tranny then fill the transfer case and power steering system. I did this on my 00 and 03 2wd DAK's and had a few quarts left over, no transfer case to fill.
meat,
To flush out the power steering system;
-jack up front of truck
-disconnect return line and L&R pressure lines from rack
- allow to drain while turning wheels from lock to lock 10-15 times, engine off
-reconnect all hoses and fill P/S pump with Amsoil Universal ATF, start engine for a few seconds
-refill and start engine for a few seconds while also turning wheels from lock to lock
- refill the P/S pump until it stabilizes at the full mark
The fluid might have some suspended air, but this will go away when the truck sits.
My 00's fluid was really funky because it had 80K on it, I refilled with ATF+3 to get all the contaminated fluid suspended in the ATF+3, then did the whole procedure again with the Amsoil ATF. My 03's P/S fluid looked OK so I just swapped out to Amsoil ATF.
-
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GraphiteDak
GenIII
2/16/2006
00:11:40
| RE: Using Amsoil in the differentials
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Message:
Cool. I forget when my tranny should be flushed for the first time. It's got 37k on it now.
I may buy that basic transgo kit they now make for the 5-45RFE. It isn't like the full shift kits of old tranny's since we have no valve body with zillions of shuttle valves and check valves. But I guess they do have some main valves that get modded springs and pieces.
Supposed to make it shift even better. Mine already barks good sometimes since the SuperChips and the 4.56 LSD gears :)
http://www.transgo.com/chrysler45rfe.htm
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JimzQC
Dodge Dakota
JOIN HERE
2/20/2006
18:43:27
| RE: Using Amsoil in the differentials
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I finally changed my driveline fluids with synthetic this weekend also. I wish I did the change a lot sooner. I could really tell a difference this morning when I left for work in the cold morning, Truck seemed to move much easier. Now if I could just trust myself to do the tranny.
Jim
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GraphiteDak
GenIII
2/20/2006
21:10:32
| RE: Using Amsoil in the differentials
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I still have chatter until I run the truck a bit and then it's gone by time I get home. And today when I left my driveway and turning it chattered again.
On another board someone mention having thse SAME PROBLEM ever since going to Amsoil. They said Amsoil sent them a different viscocity and a tube of LSD sdditive and theirs is now ok.
Any word on that Steve?
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OBIO3
Dodge Dakota
JOIN HERE
2/20/2006
21:12:33
| RE: Using Amsoil in the differentials
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For STEVE..... Been some time now sense I sent you the requested email you asked for in order to determine the closest dealer to me. Could it be the close dealers are not on the ball as you are. one thing for sure Steve. If I do deside I can work with the pricing/shipping charges,I can not sit here wondering when or if I'm going to get my order. Sorry. Not a flame. Just honest thinking.
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Timothy
Dodge Dakota
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2/20/2006
21:36:35
| RE: Using Amsoil in the differentials
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At 40,000 I changed out my dif with Amsoil without the LSD additive and I had the chatter when turning. Once the LSD additive was put in the chatter stopped. Just changed out again at 80,000 with the additive and NO chatter at all.
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Lurkin
Dodge Dakota
JOIN HERE
2/21/2006
08:31:17
| RE: Using Amsoil in the differentials
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As usual, you're milage may vary. I changed my diffs at 25K (2 years ago) to the Amsoil synth (not the Severe stuff though). The LSD in the rear did not need any additive in mine.
By the way, I changed my tranny fluid/filters at 25K, and again at 50K. But I just dropped the pan both times. It was early enough in the cycle that the PITA of a flush was not worth it to me. I probably would have waited on the 50K tranny change, but at the 25K change I used a gasket instead of Right-Stuff, and it had been leaking a bit ever since.
Also, at the 50K change I put the TransGo Perf kit in.
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boggy
Dodge Dakota
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2/21/2006
17:36:54
| RE: Using Amsoil in the differentials
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Lurkin does the trans-go effect shift points(notably premature up-shifts during normal driving) or just firmness?
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DSW
Dodge Dakota
JOIN HERE
2/21/2006
20:11:28
| RE: Using Amsoil in the differentials
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Lurkin, How do you like the TransGo shift kit? Anything good or bad? How did it change the shifting.
I wonder what the difference is between the TransGo shift Kit and a SuperChips tuner, they are supposed to both firm up the tranny shifts???
I still have another 20K to go until I service the tranny again, I am flushing the fluid every 50K with the Amsoil instead of Dodge's 30K pan drop service interval. Probably overkill, but cheaper than replacing a tranny.
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Lurkin
Dodge Dakota
JOIN HERE
2/22/2006
08:50:23
| RE: Using Amsoil in the differentials
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Gents, you can check out my write-up, and a couple others, over on www.dodgetrucks.org in the 4.7 forum.
In summary though, the TransGo (TG) shift kit only firms/quickens up the shifts. The TCM still controls the shift points.
As far as what it did to my truck, check the write-up. Since I have an AWD QC, upgrades that are said to be very noticeable to the 2wd/4wd trucks seem to be not as noticeable on mine due to the drivetrain. For example, the cutting of the TMR wire was not a life-changing event.
Given that, I noticed a bit firmer shifts (up and down) depending on how hard it's being driven. Also note that I have cut the TMR wire (long ago) and am running a SuperChips in Perf mode.
The kit contains springs and valves that increase the fluid pressure in the valve body, and a resistor that can be installed to modify the TMR signal. I didn't install this as I have clipped the wire and have the SC.
Others have said it's a worth-while mod to do by itself, but my opinion (with my truck's drivetrain) is that if you have the pan off anyway, install it, if not, I'm not sure it's worth it. SC, HO cams, and mech fan removal are higher on the list. Gears would also be higher I'm sure, but I can't justify the parts and installation costs on an AWD....
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GraphiteDak
GenIII
2/23/2006
20:29:52
| RE: Using Amsoil in the differentials
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OK my rear is still chattering. It seems to go away after I drive it a bit.
I used the additive I bought at Checker Auto. It was a name brand additive.
Will Amsoil Additive make that much difference?
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