DODGE RAM 1999 Service Repair Manual

Manufacturer: DODGE, Model Year: 1999, Model line: RAM, Model: DODGE RAM 1999
Pages: 1691, PDF Size: 40.34 MB

Page 1191 of 1691

3.3L & 3.8L ................... .45-.65 ............ 7000-15,800
Dakota & Durango
Diamond (1)( 2) ................ .97-1.18 ......... 11,300-15,300
Toyodenso ( 1) ................. .95-1.20 ......... 11,300-13,300
Ram Pickup
Except 8.0L
Diamond ( 1)( 2) ............... .97-1.18 ......... 11,300-15,300
Toyodenso ( 1) ................ .95-1.20 ......... 11,300-13,300
8.0L .......................... .53-.65 .......... 10,900-14,700
Ram Van & Ram Wagon
Diamond ( 1)( 2) ................ .97-1.18 ......... 11,300-15,300
Toyodenso ( 1) ................. .95-1.20 ......... 11,300-13,300
Town & Country .................. .45-.65 ............ 7000-15,800
Voyager
2.4L
Diamond ( 1)( 2) ............... .53-.65 .......... 11,500-13,500
Weastec ( 1) .................. .45-.65 .......... 10,900-14,700
3.0L ............................ ( 3) ...................... ( 3)
3.3L .......................... .45-.65 ............ 7000-15,800
( 1) - This is the manufacturer of ignition coil.
( 2) - Brass terminals.
( 3) - Information is not available from manufacturer.
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HIGH TENSION WIRE RESISTANCE
HIGH TENSION WIRE RESISTANCE\
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Application Ohms
Caravan ( 1)
2.4L
Cylinder No. 1 Or 4 ........................................ 4200
Cylinder No. 2 Or 3 ........................................ 3200
3.0L
Cylinder No. 1 ........................................... 14,000
Cylinder No. 2 ........................................... 10,400
Cylinder No. 3 ........................................... 14,900
Cylinder No. 4 ........................................... 11,500
Cylinder No. 5 ........................................... 17,500
Cylinder No. 6 ........................................... 10,300
Ignition Coil Wire ....................................... 11,100
3.3L & 3.8L
Cylinder No. 1 ........................................... 18,500
Cylinder No. 2 ........................................... 15,500
Cylinder No. 3 ........................................... 20,400
Cylinder No. 4 ........................................... 21,200
Cylinder No. 5 ........................................... 27,700
Cylinder No. 6 ........................................... 26,700
Dakota & Durango
All High Tension Wires ....................................... ( 2)
Ram Pickup, Ram Van & Ram Wagon
All High Tension Wires ....................................... ( 2)
Town & Country ( 1)
Cylinder No. 1 ............................................ 18,500
Cylinder No. 2 ............................................ 15,500
Cylinder No. 3 ............................................ 20,400
Cylinder No. 4 ............................................ 21,200
Cylinder No. 5 ............................................ 27,700
Cylinder No. 6 ............................................ 26,700
Voyager ( 1)
2.4L

Page 1192 of 1691

Cylinder No. 1 Or 4 ........................................ 4200
Cylinder No. 2 Or 3 ........................................ 3200
3.0L
Cylinder No. 1 ........................................... 14,000
Cylinder No. 2 ........................................... 10,400
Cylinder No. 3 ........................................... 14,900
Cylinder No. 4 ........................................... 11,500
Cylinder No. 5 ........................................... 17,500
Cylinder No. 6 ........................................... 10,300
Ignition Coil Wire ....................................... 11,100
3.3L
Cylinder No. 1 ........................................... 18,500
Cylinder No. 2 ........................................... 15,500
Cylinder No. 3 ........................................... 20,400
Cylinder No. 4 ........................................... 21,200
Cylinder No. 5 ........................................... 27,700
Cylinder No. 6 ........................................... 26,700
(1) - Maximum wire resistance is listed according to high tension wire
application. For cylinder identification, see FIRING ORDER &
TIMING MARKS.
( 2) - Resistance should be 250-1000 ohms per one inch or 3000-12,000
ohms per 12 inches.
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SPARK PLUGS
SPARK PLUG TYPE ( 1)\
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Application Champion No.
Caravan
2.4L ..................................................... RC12YC5
3.0L ..................................................... RN11YC4
3.3L & 3.8L ............................................. RN14PMP5
Dakota
2.5L ..................................................... RC12ECC
3.9L, 5.2L & 5.9L ........................................ RC12LC4
Durango .................................................... RC12LC4
Ram Pickup
3.9L, 5.2L & 5.9L ........................................ RC12LC4
8.0L ...................................................... QC9MC4
Ram Van & Ram Wagon ........................................ RC12LC4
Town & Country ............................................ RN14PMP5
Voyager
2.4L ..................................................... RC12YC5
3.0L ..................................................... RN11YC4
3.3L .................................................... RN14PMP5
(1) - Check spark plug application on underhood vehicle emission
control label. If application differs from application listed,
use application on underhood vehicle emission control label.
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SPARK PLUG SPECIFICATIONS ( 1)\
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Application Gap Torque
In. (mm) Ft. Lbs. (N.m\
)
Caravan
2.4L ................ .048-.053 (1.22-1.35) ............ 20 (27\
)
3.0L ................ .039-.044 (1.00-1.12) ............ 20 (27\
)
3.3L & 3.8L ......... .048-.053 (1.22-1.35) ............ 20 (27\
)

Page 1193 of 1691

Dakota
2.5L ....................... .035 (.89) ................ 30 (41\
)
3.9L, 5.2L & 5.9L .......... .040 (1.01) ............... 30 (41\
)
Durango ...................... .040 (1.01) ............... 30 (41\
)
Ram Pickup
3.9L, 5.2L & 5.9L .......... .040 (1.01) ............... 30 (41\
)
8.0L ....................... .045 (1.14) ............... 30 (41\
)
Ram Van & Ram Wagon .......... .040 (1.01) ............... 30 (41\
)
Town & Country ........... .048-.053 (1.22-1.35) ......... 20 (27\
)
Voyager
2.4L ................... .048-.053 (1.22-1.35) ......... 20 (27\
)
3.0L ................... .039-.044 (1.00-1.12) ......... 20 (27\
)
3.3L ................... .048-.053 (1.22-1.35) ......... 20 (27\
)
(1) - Check spark plug gap specification on underhood vehicle emission
control label. If specification differs from that listed above,
use specification on underhood vehicle emission control label.
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FIRING ORDER & TIMING MARKS
Fig. 1: Firing Order 2.4L 4-Cyl. (Caravan & Voyager)

Page 1194 of 1691

Fig. 2: Firing Order & Distributor Rotation 2.5L 4-Cyl. (Dakota)

Page 1195 of 1691

Fig. 3: Firing Order & Distributor Rotation 3.0L V6 (Caravan &
Voyager)
Fig. 4: Firing Order 3.3L & 3.8L V6 (Caravan, Town & Country, &
Voyager)

Page 1196 of 1691

Fig. 5: Firing Order & Distributor Rotation 3.9L V6 (Dakota,
Durango, Ram Pickup, Ram Van & Ram Wagon)

Page 1197 of 1691

Fig. 6: Firing Order & Distributor Rotation 5.2L & 5.9L Gasoline
V8 (Dakota, Durango, Ram Pickup, Ram Van & Ram Wagon)
Fig. 7: Firing Order 5.9L Diesel 6-Cyl. (Ram Pickup)

Page 1198 of 1691

Fig. 8: Firing Order 8.0L V10 (Ram Pickup)
IGNITION TIMING
NOTE: On all models, ignition timing is controlled by Powertrain
Control Module (PCM). Ignition timing is non-adjustable. DO
NOT attempt to adjust ignition timing.
NOTE: On Dakota 3.9L, 5.2L and 5.9L, Durango, Ram Pickup 3.9L, 5.2L
and 5.9L (gasoline), Ram Van and Ram Wagon, the distributor
can be checked for proper location. See FUEL SYSTEM
SYNCHRONIZATION under FUEL SYSTEM in ON-VEHICLE ADJUSTMENTS.
FUEL SYSTEM
FUEL PUMP (GASOLINE)
FUEL PUMP PERFORMANCE\
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Application Pressure psi Min. Vol.
(kg/cm) In 7 Sec. Pts. (L)

Page 1199 of 1691

Caravan
2.4L & 3.0L ............ (2) 43-53 (3.0-3.7) ............... ( 3)
3.3L
Flex-Fuel ............. ( 2) 50-60 (3.5-4.2) ............... ( 3)
Except Flex-Fuel ...... ( 2) 43-53 (3.0-3.7) ............... ( 3)
3.8L ................... ( 2) 43-53 (3.0-3.7) ............... ( 3)
Dakota & Durango ......... ( 1) 44-54 (3.0-3.8) ........... .5 (24)
Ram Pickup, Ram Van
& Ram Wagon ............. ( 1) 44-54 (3.0-3.8) ........... .5 (24)
Town & Country
3.3L
Flex-Fuel ............. ( 2) 50-60 (3.5-4.2) ............... ( 3)
Except Flex-Fuel ...... ( 2) 43-53 (3.0-3.7) ............... ( 3)
3.8L ................... ( 2) 43-53 (3.0-3.7) ............... ( 3)
Voyager
2.4L & 3.0L ............ ( 2) 43-53 (3.0-3.7) ............... ( 3)
3.3L
Flex-Fuel ............. ( 2) 50-60 (3.5-4.2) ............... ( 3)
Except Flex-Fuel ...... ( 2) 43-53 (3.0-3.7) ............... ( 3)
( 1) - Manufacturer lists fuel pressure with engine idling.
( 2) - Manufacturer lists fuel pressure with engine off, ignition on
and using scan tool to activate fuel pump.
( 3) - Information is not available from manufacturer.
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FUEL INJECTION PUMP & FUEL TRANSFER PUMP (DIESEL)
NOTE: For fuel injection pump timing, see appropriate ON-VEHICLE
ADJUSTMENTS article.
FUEL INJECTION PUMP PERFORMANCE (DIESEL)
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Application Output Pressure psi (kg/cm)
Ram Pickup 5.9L ................................................ ( 1)
( 1) - Pressure testing procedure and output pressure is not available
from manufacturer.
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NOTE: For testing of fuel transfer pump, see appropriate BASIC
DIAGNOSTIC PROCEDURES article.
INJECTOR OPENING PRESSURE (DIESEL)
INJECTOR OPENING PRESSURE (DIESEL)\
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Application psi (kg/cm)
Ram Pickup 5.9L ......................................... 4500 (316)\
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INJECTOR RESISTANCE
INJECTOR RESISTANCE\
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Application Ohms @ 68F (20C)
All Models ................................................... 10-16
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Page 1200 of 1691

IDLE SPEED & MIXTURE
NOTE: On all except diesel models, idle speed and mixture are
controlled by Powertrain Control Module (PCM). No adjustment
is required.
IDLE SPEED SPECIFICATIONS
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Application RPM
Gasoline Models ................................................ ( 1)
Diesel Models .................................................. ( 2)
( 1) - Idle speed is controlled by Powertrain Control Module PCM) and
idle air control motor. Idle speed is nonadjustable.
( 2) - Idle speed is controlled by PCM. Idle speed is nonadjustable.
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THROTTLE BODY MINIMUM AIRFLOW IDLE SPEED
THROTTLE BODY MINIMUM AIRFLOW IDLE SPEED SPECIFICATIONS\
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Application RPM
Caravan
2.4L ( 2)
1000 Miles Or Less .................................. ( 3) 500-875
More Than 1000 Miles ................................ ( 3) 550-875
3.0L ( 2)
1000 Miles Or Less .................................. ( 3) 560-910
More Than 1000 Miles ................................ ( 3) 610-910
3.3L & 3.8L ( 2)
1000 Miles Or Less .................................. ( 3) 525-875
More Than 1000 Miles ................................ ( 3) 575-875
Dakota
2.5L ..................................................... 500-900
3.9L, 5.2L & 5.9L .................................... ( 1) 500-900
Durango ................................................ ( 1) 500-900
Ram Pickup
3.9L, 5.2L & 5.9L (Gasoline) ......................... ( 1) 500-900
8.0L ......................................................... ( 4)
Ram Van & Ram Wagon .................................... ( 1) 500-900
Town & Country ( 2)
1000 Miles Or Less ................................... ( 3) 525-875
More Than 1000 Miles ................................. ( 3) 575-875
Voyager
2.4L ( 2)
1000 Miles Or Less .................................. ( 3) 500-875
More Than 1000 Miles ................................ ( 3) 550-875
3.0L ( 2)
1000 Miles Or Less .................................. ( 3) 560-910
More Than 1000 Miles ................................ ( 3) 610-910
3.3L ( 2)
1000 Miles Or Less .................................. ( 3) 525-875
More Than 1000 Miles ................................ ( 3) 575-875
( 1) - Specification listed with Air Metering Fitting (6714) installed.
( 2) - Specification listed in accordance with vehicle mileage.
( 3) - Specification listed with Air Metering Fitting (6457) installed.
( 4) - Does not apply to this application.
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THROTTLE POSITION SENSOR

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