1999 DODGE RAM Ignition

120,000 MILE (204,000 KM)/96 MONTH NORMAL SERVICE
120,000 MILE (204,000 KM)/96 MONTH NORMAL SERVICE
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VERIFY 

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Last Major Service Was Performed. 

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INSPECT 

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 Exhaust System 


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 Brake Hoses 


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 Engine Coolant Level, Hoses & Clamps 


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 PCV Valve 

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SERVICE 

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 Rotate Tires 


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 Lubricate Steering Linkage 

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REPLACE 

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 Engine Oil 


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 Engine Oil Filter 


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 Air Cleaner Filter 


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 Spark Plugs 


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 Ignition Cables 

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LUBRICATION SPECIFICATIONS 

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Material  Condition  Specification 

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Engine Oil Ambient Temperature Above 0 F SAE 10W-30 

(
1)  (-18C) To Over 100F (38C)  


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Ambient Temperature Less Than  SAE 5W-30 

-20F (-29C) Up To 32F (0C) 

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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 

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Brake Fluid  All  DOT 3 

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Steering  All  Mopar Multi-Mileage 

Linkage   Lubricant 

Lubricant   

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(
1) - SAE 10W-30 engine oil is preferred. Use only API approved 

oil with Starburst Symbol. 

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FLUID CAPACITIES 

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Item  Condition  Specification (1) 


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 Brake Linings 

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SERVICE 

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 Lubricate Steering Linkage 


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 Automatic Transmission Bands 


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 Clean EGR Passages (5.9L) 

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REPLACE 

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 Engine Oil 


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 Engine Oil Filter (
1) 


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 Automatic Transmission Fluid & Filter 


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 Rear Axle Fluid 


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 Front Axle Fluid (4x4) 


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 Spark Plugs 


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 Ignition Cables 


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 PCV Valve (5.9L) 


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 EGR Valve (5.9L) 


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 Distributor Cap & Rotor (5.9L) 

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(
1)  8.0L: Change oil filter at every oil change. 

5.9L: If mileage is less than 6,000 miles (9,600 Km) Yearly, 

replace the oil filter at every oil change. 

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LUBRICATION SPECIFICATIONS 

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Material  Condition  Specification 

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Engine Oil Ambient Temperature Above 0 F SAE 10W-30 

(
1)  (-18C) To Over 100F (38C)  


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Ambient Temperature Less Than  SAE 5W-30 

-20F (-29C) Up To 32F (0C) 

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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 

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Brake Fluid  All  DOT 3 

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Steering  All  Mopar Multi-Mileage 

Linkage   Lubricant 

Lubricant   

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Automatic  All  ATF+2 Type 7176 

Transmission   

Fluid   

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Rear Axle  All Mopar Hypoid Lubricant 

Lubricant   SAE 80W-90 

SC HED ULE D S ER VIC ES
 


INSPECT 



 Exhaust System 




 Brake Hoses 




 Engine Coolant Level, Hoses & Clamps 




 Engine Air Cleaner & Air Pump Filters 




 Brake Linings 




SERVICE 



 Lubricate Steering Linkage 




 Automatic Transmission Bands 




 Clean EGR Passages (5.9L) 




REPLACE 



 Engine Oil 




 Engine Oil Filter (
1) 




 Automatic Transmission Fluid & Filter 




 Rear Axle Fluid 




 Front Axle Fluid (4x4) 




 Spark Plugs 




 Ignition Cables 




 PCV Valve (5.9L) 




 EGR Valve (5.9L) 




 Distributor Cap & Rotor (5.9L) 



(
1)  8.0L: Change oil filter at every oil change. 

5.9L: If mileage is less than 6,000 miles (9,600 Km) Yearly, 

replace the oil filter at every oil change. 




LUBRICATION SPECIFICATIONS 




Material  Condition  Specification 





Engine Oil Ambient Temperature Above 0 F SAE 10W-30 

(
1)  (-18C) To Over 100F (38C)  





Ambient Temperature Less Than  SAE 5W-30 

-20F (-29C) Up To 32F (0C) 





Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 





Brake Fluid  All  DOT 3 





Ram Pickup, Ram Van & Ram Wagon ........... (2) .............. ( 2)
Town & Country
3.3L & 3.8L ............................. ( 2) .............. ( 2)
Voyager
2.4L
A/C & Generator ...................... 190 (86) ...... 115 (52\
)
Power Steering ....................... 140 (64) ....... 90 (41\
)
3.0L
A/C .................................. 150 (68) ....... 80 (36\
)
Generator & Power Steering ............. ( 2) .............. ( 2)
3.3L .................................... ( 2) .............. ( 2)
( 1) - Used belt is a belt that has been in service for more than 15
minutes.
( 2) - Automatic belt tensioner is used. Belt tension adjustment is not
required.









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MECHANICAL CHECKS
ENGINE COMPRESSION
Ensure battery is fully charged. Warm engine to normal
operating temperature. Disconnect wire at ignition coil to prevent
engine from starting. Check engine compression with all spark plugs
removed and throttle wide open.
COMPRESSION SPECIFICATIONS









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Application Specification
Compression Ratio
Caravan
2.4L ...................................................... 9.4:1
3.0L ...................................................... 8.9:1
3.3L ...................................................... 8.9:1
3.8L ...................................................... 9.6:1
Dakota & Durango ........................................... 9.1:1
Ram Pickup
3.9L, 5.2L & 5.9L (Gasoline) .............................. 9.1:1\
5.9L (Diesel) ............................................ 17.5:1\
8.0L ...................................................... 8.4:1
Ram Van & Ram Wagon ........................................ 9.1:1
Town & Country
3.3L ...................................................... 8.9:1
3.8L ...................................................... 9.6:1
Voyager
2.4L ...................................................... 9.4:1
3.0L ...................................................... 8.9:1
3.3L ...................................................... 8.9:1
Normal Compression Pressure
Caravan
2.4L ............................. 170-225 psi (11.9-15.7 kg/cm
)
3.0L ...................................... 178 psi (12.5 kg/cm)
3.3L & 3.8L ................................................. ( 1)
Dakota
2.5L .............................. 120-150 psi (8.4-10.5 kg/cm
)
3.9L, 5.2L & 5.9L ........................................... ( 1)
Durango ...................................................... ( 1)
Ram Pickup, Ram Van & Ram Wagon .............................. ( 1)
Town & Country ............................................... ( 1)
Voyager

2.4L ............................. 170-225 psi (11.9-15.7 kg/cm)
3.0L ...................................... 178 psi (12.5 kg/cm)
3.3L ........................................................ ( 1)
Minimum Compression Pressure
Caravan, Town & Country, & Voyager .......... 100 psi (7.0 kg/cm
)
Dakota
2.5L ........................................................ ( 1)
3.9L, 5.2L & 5.9L .......................... 100 psi (7.0 kg/cm
)
Durango ..................................... 100 psi (7.0 kg/cm)
Ram Pickup
3.9L, 5.2L & 5.9L (Gasoline) & 8.0L ........ 100 psi (7.0 kg/cm
)
5.9L (Diesel) ............................................... ( 1)
Ram Van & Ram Wagon ......................... 100 psi (7.0 kg/cm
)
Maximum Variation Between Cylinders
Caravan, Town & Country & Voyager ..................... 25 Percent
Dakota
2.5L ........................................ 30 psi (2.1 kg/cm
)
3.9L, 5.2L & 5.9L ........................................... ( 1)
Durango ...................................................... ( 1)
Ram Pickup, Ram Van & Ram Wagon .............................. ( 1)
( 1) - Information is not available from manufacturer.









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VALVE CLEARANCE
Gasoline Models
All engines are equipped with hydraulic lifters. No
adjustments are required.
5.9L Diesel (Ram Pickup)
Valve adjustment is recommended every 150 months or 150,000
miles during normal service, every 135,000 miles during severe
service. Severe service is described as frequent short trip operation
of less than 5 miles, long periods of engine idling, trailer towing,
police, taxi, local delivery service, or operating in dusty or
excessively hot conditions. See VALVE CLEARANCE SPECIFICATIONS
(DIESEL) table.
VALVE CLEARANCE SPECIFICATIONS (DIESEL) ( 1)









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Application In. (mm)\
Intake Valve ............................................ .010 (.25)\
Exhaust Valve ........................................... .020 (.51)\
(1) - Adjust valves with engine temperature less than 140
F (60C).








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IGNITION SYSTEM
IGNITION COIL
IGNITION COIL RESISTANCE - Ohms @ 70-80F (21-27C)








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Application Primary Secondary
Caravan
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 & 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

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\
)

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)