trailer DODGE RAM 1999 Service Owner's Manual

Ram Pickup
Gasoline Models
Light-Duty (2)
Normal Service ..................... 30 .............. 37,500
Severe Service ..................... ( 1) ............. 12,000
Medium-Duty & Heavy-Duty
Normal Service ..................... 24 .............. 24,000
Severe Service ..................... ( 1) ............. 12,000
Diesel Models
Normal Service ....................... 24 .............. 24,000
Severe Service ....................... ( 1) ............. 12,000
Ram Van/Wagon
Normal Service ........................ ( 3) ................ ( 3)
Severe Service ........................ ( 1) ............. 12,000
( 1) - Monthly interval is not available from manufacturer.
( 2) - Light-duty applies to all 1500 models and 2500 models except
5.9L diesel or 8.0L engines. Medium-duty applies to 2500 and
3500 California models with 8.0L engine. Heavy-duty applies to
2500 and 3500 Federal models with 8.0L engine and all 3500
models with 5.9L gasoline engine.
( 3) - Normal service interval is not available from manufacturer.









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Transfer Case
Check transfer case fluid level when performing other
underhood services. Under normal service conditions or severe service
conditions change transfer case fluid at specified interval. See
TRANSFER CASE SERVICING INTERVALS table. Severe service conditions are
conditions such as long periods of engine idling, trailer towing, off-
highway operation, snow removal, or operating in dusty or excessively
hot conditions.
TRANSFER CASE SERVICING INTERVALS









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Application Months Miles
Dakota
Normal Service ....................... 30 ............... 37,500
Severe Service ....................... ( 1) .............. 36,000
Ram Pickup
Gasoline Models
Light-Duty ( 2)
Normal Service .................... 30 ............... 37,500
Severe Service .................... ( 1) .............. 36,000
Medium-Duty & Heavy-Duty
Normal Service .................... 36 ............... 36,000
Severe Service .................... ( 1) .............. 36,000
Diesel Models
Normal Service ...................... 36 ............... 36,000
Severe Service ...................... ( 1) .............. 36,000
( 1) - Monthly interval is not available from manufacturer.
( 2) - Light-duty applies to all 1500 models and 2500 models except
5.9L diesel or 8.0L engines. Medium-duty applies to 2500 and
3500 California models with 8.0L engine. Heavy-duty applies to
2500 and 3500 Federal models with 8.0L engine and all 3500
models with 5.9L gasoline engine.









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Power Take-Off (PTO) Adapter (Ram Pickup 2WD 2500 & 3500)
Check PTO adapter fluid level when performing other underhood
services. Service interval is not available from manufacturer.

Transmission (Dakota)
Check transmission fluid level when performing other
underhood services. Under normal service conditions, change
transmission fluid at 30 months or 37,500 miles. Under severe service
conditions, change transmission fluid at 18,000 miles. Severe service
are conditions such as long periods of engine idling, trailer towing,
off-highway operation, snow removal, or operating in dusty or
excessively hot conditions.
Transmission (Ram Pickup)
Check transmission fluid level when performing other
underhood services. Fluid change service interval information is not
available from manufacturer.
Transfer Case
Check transfer case fluid level when performing other
underhood services. On Dakota and Light-Duty Pickup, change transfer
case fluid at 37,500 miles or 30 months. On Medium-Duty and Heavy-Duty
Pickup, change transfer case fluid at 36,000 miles or 36 months.
CHECKING FLUID LEVEL
Transmission (Dakota)
1) Park vehicle on level surface. Remove transmission fill
plug from side of transmission. On AX-15 transmission, transmission
fill plug is located on driver's side of transmission. On NV3500
transmission, transmission fill plug is located near front of
transmission on passenger's side of transmission.
2) On all transmissions, fluid level should even with bottom
of fill plug hole on side of transmission. Add appropriate type of
transmission fluid if necessary. See RECOMMENDED FLUID. Install and
tighten transaxle fill plug to specification. See TORQUE
SPECIFICATIONS.
Transmission (Ram Pickup)
1) Park vehicle on level surface. Remove transmission fill
plug from side of transmission. On NV3500 transmissions, transmission
fill plug is located near front of transmission on passenger's side of
transmission. On NV4500 transmissions, transmission fill plug is
located near rear of transmission on passenger's side of transmission.
2) On all transmissions, fluid level should even with bottom
of fill plug hole on side of transmission. Add appropriate type of
transmission fluid if necessary. See RECOMMENDED FLUID. Install and
tighten transaxle fill plug to specification. See TORQUE
SPECIFICATIONS.
Transfer Case
Park vehicle on level surface. Remove transfer case fill plug
from rear of transfer case. Fluid level should even with bottom of
transfer case fill plug hole on rear of transfer case. Add appropriate
type of transfer case fluid if necessary. See RECOMMENDED FLUID.
Install and tighten transfer case fill plug to specification. See
TORQUE SPECIFICATIONS.
RECOMMENDED FLUID
Transmission (Dakota)
On AX-15 transmissions, use API 75W-90 GL-3 gear oil. On
NV1500 and NV3500 transmissions, use ONLY Mopar M/T Lube Part No.
4761526.
Transmission (Ram Pickup)