1999 DODGE RAM oil level

drive plate. PCM uses this information to determine fuel injection
sequence, ignition signal and spark timing.
Cruise Control Switch
Cruise control switch provides PCM with 3 separate inputs.
ON/OFF switch input informs PCM that cruise control system has been
activated. SET/COAST switch input informs PCM that set vehicle speed
has been selected, or if depressed will decelerate until switch is
released. RESUME/ACCEL switch input informs PCM that a previously set
speed has been selected or, if depressed, will increase speed until
released. PCM uses these inputs to control cruise control servo.
Engine Coolant Temperature (ECT) Sensor
ECT sensor monitors engine coolant temperature. PCM uses ECT
sensor information to adjust air/fuel mixture and idle speed and to
control radiator cooling fans as necessary.
Fuel Level Sensor
PCM supplies a 5-volt reference signal to fuel module in gas
tank. Fuel level sensor sends a signal to PCM indicating fuel level.
PCM monitors this signal to prevent a false misfire signal if fuel
level is less than 15 percent. PCM also sends this signal to fuel
gauge.
Heated Oxygen Sensor (HO2S)
HO2S produces a small electrical voltage (0-1 volt) when
exposed to heated exhaust gas. HO2S is electrically heated for faster
warm-up. Heating element is powered through Auto Shutdown (ASD) relay.\
HO2S acts like a rich/lean (air/fuel ratio) switch by
monitoring oxygen content in exhaust gas. This information is used by
PCM to adjust air/fuel ratio by adjusting injector pulse width.
HO2S produces low voltage when oxygen content in exhaust gas
is high. When oxygen content in exhaust gas is low, HO2S produces a
higher voltage.
Ignition Switch
Ignition switch sends signal to PCM indicating whether switch
is on, off or cranking (ST). When PCM receives ON signal, it energizes\
ASD relay coil and supplies power to sensors and actuators. When PCM
receives ST signal, it controls fuel injection rate, idle speed,
ignition timing, etc. for optimum cranking conditions.
Intake Air Temperature (IAT) Sensor
IAT sensor measures temperature of incoming intake air. This
information is used by PCM to adjust air/fuel mixture.
Manifold Absolute Pressure (MAP) Sensor
MAP sensor monitors intake manifold vacuum. Sensor transmits
information on manifold vacuum and barometric pressure to PCM. MAP
sensor information is used with information from other sensors to
adjust air/fuel mixture.
Oil Pressure Sensor
Sensor sends a signal to PCM to indicate oil pressure.
Park/Neutral (P/N) Switch (A/T Models)
This switch may also be referred to as a Park/Neutral
Position (PNP) switch. P/N switch is available on vehicles equipped
with A/T only. Switch prevents engine starter from engaging if vehicle
is in any gear except Park or Neutral.
P/N switch input (varied with gear selection) is used to
determine idle speed, fuel injector pulse and ignition timing.

Fig. 2: Identifying Oil Pan Gasket (36RH, 46RE & 47RE)
LUBRICATION
SERVICE INTERVALS
Transmission
Check transmission fluid level when performing other
underhood services. Under normal service conditions or severe service
conditions change transmission fluid, adjust bands and replace
transmission filter at specified interval. See TRANSMISSION 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.
TRANSMISSION SERVICING INTERVALS









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Application Months Miles
Dakota & Durango
Normal Service ........................ 30 .............. 37,500
Severe Service ........................ ( 1) ............. 12,000

Transmission
Manufacturer recommends using Mopar ATF Plus Type 7176.
Manufacturer does not recommend using additives with transmission
fluid.
Transfer Case
Manufacturer recommends using Mopar ATF Plus Type 7176.
Power Take-Off (PTO) Adapter (Ram Pickup 2WD 2500 & 3500)
Manufacturer recommends using Mopar ATF Plus Type 7176.
FLUID CAPACITIES
TRANSMISSION REFILL CAPACITIES ( 1)








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Application Refill Dry Fill
Qts. (L) Qts. (L\
)
Dakota & Durango
42RE, 44RE & 46RE ... ( 2) 1.5 (1.4) .... ( 3) 9.5-11.4 (9.0-10.8)
Ram Pickup
42RE ................ ( 2) 1.5 (1.4) .... ( 3) 8.5-11.0 (8.0-10.4)
46RE ................ ( 2) 1.5 (1.4) .... ( 3) 8.7-13.0 (8.2-12.3)
47RE ................ ( 2) 1.5 (1.4) .... ( 3) 8.7-16.9 (8.2-16.0)
Ram Van/Wagon
32RH & 36RH ......... ( 2) 1.5 (1.4) ...... ( 3) 8.5-9.0 (8.0-8.5)
46RE ................ ( 2) 1.5 (1.4) .. ( 3) 11.4-11.6 (10.8-11.0)
( 1) - Approximate quantity listed.
( 2) - Add fluid until fluid level is at MIN arrow mark on dipstick.
Start engine and allow engine to idle. With brakes applied,
shift transmission through all gears and back to Neutral. Add
additional fluid to bring fluid level to MIN mark on dipstick.
Recheck fluid level with transmission at normal operating
temperature. Adjust fluid level to MAX arrow mark on dipstick.
( 3) - Quantity may vary by type of oil cooler and oil cooler lines.









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TRANSFER CASE REFILL CAPACITIES ( 1)








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Application Pts. (L)\
Dakota & Durango
NV231 .................................................... 2.5 (1.2)\
NV242 .................................................... 2.8 (1.4)\
Ram Pickup
1500 ..................................................... 2.5 (1.2)\
2500 & 3500
2WD With Power Take-Off (PTO) Adapter ................. 9.0 (4.3\
)
5.9L Diesel & V10 ..................................... 6.5 (3.1)\
All Others ............................................ 5.0 (2.4)\
(1) - Approximate quantity listed.









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POWER TAKE-OFF (PTO) ADAPTER REFILL CAPACITIES ( 1)








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Application Pts. (L)\
Ram Pickup
2WD 2500 & 3500 ........................................ 4.6 (2.2)\

(1) - Approximate quantity listed.








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DRAINING & FILLING
Transmission
1) Raise and support vehicle. Loosen oil pan bolts, allowing
fluid to drain from oil pan. Remove oil pan bolts, oil pan and gasket.
Remove oil filter bolts and oil filter from valve body.
2) Adjust kickdown band and low-reverse bands if necessary.
See KICKDOWN BAND and LOW-REVERSE BAND under ADJUSTMENTS.
3) Clean oil pan, magnet and all sealing surfaces. Install
NEW oil filter. Install and tighten oil filter bolts to specification.
See TORQUE SPECIFICATIONS.
4) Using NEW gasket, install oil pan. Install and tighten oil
pan bolts to specification. See TORQUE SPECIFICATIONS.
5) Add Mopar ATF Plus Type 7176 fluid until fluid level is at
MIN arrow mark on dipstick. Start engine and allow engine to idle.
With brakes applied, shift transmission through all gears and back to
Neutral.
6) Add additional fluid to bring fluid level to MIN mark on
dipstick. Recheck fluid level with transmission at normal operating
temperature. Adjust fluid level to MAX arrow mark on dipstick. DO NOT
overfill transmission.
Transfer Case
1) Ensure vehicle is parked on level surface. Remove transfer
case drain plug. Transfer case drain plug is located on rear of
transfer case at driver's side corner of transfer case. Allow fluid to
drain from transfer case.
2) Reinstall transfer case drain plug. Tighten transfer case
drain plug to specification. See TORQUE SPECIFICATIONS. Remove
transfer case fill plug from rear of transfer case. Transfer case fill
plug is located on rear of transfer case, just below identification
tag.
3) Fill transfer case with appropriate type of transfer case
fluid until fluid level is even with bottom of fill plug hole on
transfer case. See RECOMMENDED FLUID. Install and tighten transfer
case fill plug to specification. See TORQUE SPECIFICATIONS.
Power Take-Off (PTO) Adapter (Ram Pickup 2WD 2500 & 3500)
1) Ensure vehicle is parked on level surface. Remove drain
plug from rear of PTO adapter. See Fig. 3. Allow fluid to drain from
PTO adapter.
2) Reinstall drain plug. Tighten drain plug to specification.
See TORQUE SPECIFICATIONS. Remove fill plug from rear of PTO adapter.
See Fig. 3 .
3) Fill PTO adapter with appropriate type of fluid until
fluid level is even with bottom of fill plug hole on PTO adapter. See
RECOMMENDED FLUID. Install and tighten fill plug to specification. See
TORQUE SPECIFICATIONS.
ADJUSTMENTS
KICKDOWN BAND
1) Kickdown band is front band on transmission. Raise and
support vehicle. Loosen kickdown band adjusting screw lock nut while
preventing kickdown adjusting screw from rotating. Kickdown band
adjusting screw is located on side of transmission, near manual lever
shaft. See Fig. 4.
2) Back off kickdown band adjusting screw lock nut 5 turns.

1) Low-reverse band is rear band on transmission. Oil pan
must be removed from transmission to adjust low-reverse band. Raise
and support vehicle. Loosen oil pan bolts. Allow fluid to drain from
oil pan. Remove oil pan bolts, oil pan and gasket.
2) Loosen low-reverse band adjusting screw lock nut while
preventing low-reverse band adjusting screw from rotating. Low-reverse
band adjusting screw lock nut and low-reverse band adjusting screw are
located inside transmission, near low-reverse band. See Fig. 5.
3) Back off low-reverse band adjusting screw lock nut 5
turns. Ensure low-reverse band adjusting screw rotates freely in
transmission case.
4) Tighten low-reverse band adjusting screw to 72 INCH lbs.
(8.1 N.m). Back off low-reverse band adjusting screw specified amount
of turns. See LOW-REVERSE BAND ADJUSTMENT table. Hold low-reverse band
adjusting screw and tighten low-reverse band adjusting screw lock nut
to specification. See TORQUE SPECIFICATIONS.
LOW-REVERSE BAND ADJUSTMENT









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Application Back Off Adjusting Screw
32RH ....................................................... 4 Turns
36H ........................................................ 2 Turns
42RE ....................................................... 4 Turns
44RE ....................................................... 4 Turns
46RE ....................................................... 2 Turns
47RE ....................................................... 3 Turns









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5) Clean oil pan, magnet and all sealing surfaces. Using NEW
gasket, install oil pan. Install and tighten oil pan bolts to
specification. See TORQUE SPECIFICATIONS.
6) Add Mopar ATF Plus Type 7176 fluid until fluid level is at
MIN arrow mark on dipstick. Start engine and allow engine to idle.
With brakes applied, shift transmission through all gears and back to
Neutral.
7) Add additional fluid to bring fluid level to MIN mark on
dipstick. Recheck fluid level with transmission at normal operating
temperature. Adjust fluid level to MAX arrow mark on dipstick. DO NOT
overfill transmission.
Fig. 5: Locating Low-Reverse Band Adjusting Screw & Low-Reverse
Band Adjusting Screw Lock Nut
Courtesy of Chrysler Corp.
SHIFT CABLE

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)