TRANSFER CASE
Recommended lubricant for the NV241 GENII, NV271, NV243, NV244 GENII, and NV273 transfer cases is MoparT ATF +4, Automatic Transmission Fluid.
AXLE
NOTE: DaimlerChrysler recommends using MoparT lubricants or lubricants of equal quality.
FRONT AXLE
² C205F - MoparT Gear Lubricant 75W-90
² 9 1/4 AA - MoparT Synthetic Gear Lubricant 75W-90
² 9 1/4 AA EL- 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 10 1/2 AA EL- MoparT Synthetic Gear Lubricant 75W-90
² 11 1/2 AA - MoparT Synthetic Gear Lubricant 75W-90
² 248RBI - MoparT Gear & Axle Lubricant SAE 90
NOTE: Trac-LokT differentials require Limited Slip Additive in the lubricant. Trac-Rite™ / Trac-Rite EL™ differentials
DO NOT require Limited Slip Additive.
MANUAL TRANSMISSION
NOTE: DaimlerChrysler recommends using MoparT lubricants or lubricants of equal quality.
² NV5600 - MoparT Manual Transmission Lubricant
² NV4500 - MoparT Synthetic 75W-85 Manual Transmission Lubricant
² Getrag 238 - MoparT ATF+4 Transmission Fluid
² G 56 - MoparT ATF+4 Transmission Fluid
² T-56 - MoparT Synthetic 75W-85 Manual Transmission Lubricant
AUTOMATIC TRANSMISSION FLUID
NOTE: Refer to Service Procedures in this group for fluid level checking procedures.
0 - 6 LUBRICATION & MAINTENANCE DR/DH
MoparT ATF +4, Automatic Transmission Fluid is the recommended fluid for DaimlerChrysler automatic transmissions.
Dexron II fluid IS NOT recommended. Clutch chatter can result from the use of improper fluid.
MoparT ATF +4, Automatic Transmission Fluid when new is red in color. The ATF is dyed red so it can be identified
from other fluids used in the vehicle such as engine oil or antifreeze. The red color is not permanent and is not an
indicator of fluid condition. As the vehicle is driven, the ATF will begin to look darker in color and may eventually
become brown. This is normal. ATF+4 also has a unique odor that may change with age. Consequently, odor and
color cannot be used to indicate the fluid condition or the need for a fluid change.
FLUID ADDITIVES
DaimlerChrysler strongly recommends against the addition of any fluids to the transmission, other than those automatic
transmission fluids listed above. Exceptions to this policy are the use of special dyes to aid in detecting fluid
leaks.
Various “special” additives and supplements exist that claim to improve shift feel and/or quality. These additives and
others also claim to improve converter clutch operation and inhibit overheating, oxidation, varnish, and sludge.
These claims have not been supported to the satisfaction of DaimlerChrysler and these additives must not be
used. The use of transmission “sealers” should also be avoided, since they may adversely affect the integrity of
transmission seals.
OPERATION - AUTOMATIC TRANSMISSION FLUID
The automatic transmission fluid is selected based upon several qualities. The fluid must provide a high level of
protection for the internal components by providing a lubricating film between adjacent metal components. The fluid
must also be thermally stable so that it can maintain a consistent viscosity through a large temperature range. If the
viscosity stays constant through the temperature range of operation, transmission operation and shift feel will remain
consistent. Transmission fluid must also be a good conductor of heat. The fluid must absorb heat from the internal
transmission components and transfer that heat to the transmission case.
