INTRODUCTION
Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This is a quick-reference article to use when you are familiar with an adjustment procedure and only need a specification.
CAPACITIES
| Application & Group | Cold Cranking Amps | Amp Hr. Rating |
|---|
| Ram Pickup |
| Std. Battery (Group 27) | 600 | 66 |
| Opt. Battery (Group 27) | 750 | 75 |
| Application | (1) Quantity |
|---|
| Crankcase (Includes Filter) (2) | 5.0 Qts. (4.7L) |
| Cooling System (Includes Heater) | 20.0 Qts. (18.9L) |
| Automatic Transmission (Mopar ATF Plus Type 7176) 46RE |
| Drain & Refill | (3) 1.5 Qts. (1.4L) |
| Dry Refill | (4) 9.5-11.5 Qts. (8.9-10.8L) |
| Front Differential (SAE 80W-90/API GL-5) |
| Dana 44 (Model 216) | 6.8 Pts. (3.2L) |
| Rear Differential |
| 9 1/4" Ring Gear (SAE 75W-90/API GL-5) (5) 1500 | 4.8 Pts. (2.3L) |
| Power Steering Fluid (1) (1) | 2.7 Pts. (1.3L) |
| Transfer Case (Mopar ATF Plus Type 7176) (1) (2) |
| NV 231HD | 2.5 Pts. (1.2L) |
| NV 241 | 5.0 Pts. (2.4L) |
| NV 241HD | 6.5 Pts. (3.1L) |
| NV 241HD With Power Take-Off (PTO) | 9.0 Pts. (4.3L) |
| (1) Approximate quantity listed. (2) On gasoline engines, use an API energy conserving engine oil that is certified for gasoline engines. On diesel engines, use engine oil with API CF-4/SH or CG-4/SH rating for diesel engines. (3) Add this amount of fluid. Start engine and shift transmission through all gears and back to Neutral. Add additional fluid to bring fluid level to the MIN mark on dipstick. Recheck fluid level with transmission at normal operating temperature. Adjust fluid level to MAX mark on dipstick. Approximate drain and refill capacity is 4.0 qts. (3.8L). (4) Quantity may vary by type of oil cooler and oil cooler lines. (5) Models with Trac-Lok limited slip differential must have 5 ozs. (.15L) of Mopar Trac-Lok Friction Modifier added if lubricant is changed. |
| (1) | Approximate quantity listed. |
| (2) | On gasoline engines, use an API energy conserving engine oil that is certified for gasoline engines. On diesel engines, use engine oil with API CF-4/SH or CG-4/SH rating for diesel engines. |
| (3) | Add this amount of fluid. Start engine and shift transmission through all gears and back to Neutral. Add additional fluid to bring fluid level to the MIN mark on dipstick. Recheck fluid level with transmission at normal operating temperature. Adjust fluid level to MAX mark on dipstick. Approximate drain and refill capacity is 4.0 qts. (3.8L). |
| (4) | Quantity may vary by type of oil cooler and oil cooler lines. |
| (5) | Models with Trac-Lok limited slip differential must have 5 ozs. (.15L) of Mopar Trac-Lok Friction Modifier added if lubricant is changed. |
FLUID CAPACITIES (RAM PICKUP)
SERVICE INTERVALS & SPECIFICATIONS
| Component | Months | Miles |
|---|
| Air Filter |
| Normal Service | 24 | 30,000 |
| Severe Service | (3) | (4) 15,000 |
| Coolant | (5) | (5) |
| Engine Oil |
| Normal Service | 6 | 7500 |
| Severe Service | (3) | 3000 |
| Engine Oil Filter |
| Normal Service | 12 | 15,000 |
| Severe Service | (3) | 6000 |
| PCV Valve (6) |
| Normal Service | 48 | 60,000 |
| Severe Service | (3) | 30,000 |
| Spark Plugs |
| Normal Service | 24 | 30,000 |
| Severe Service | (3) | 30,000 |
| Spark Plug Wires |
| Normal Service | 48 | 60,000 |
| Severe Service | (3) | 60,000 |
| Automatic Transmission Fluid, Filter & Band Adjustment |
| Normal Service | 30 | 37,500 |
| Severe Service | (3) | 12,000 |
| Manual Transmission Fluid | (7) | (7) |
| Transfer Case Fluid (4WD) |
| Normal Service | 30 | 37,500 |
| Severe Service | (3) | 36,000 |
| Front Differential Fluid (4WD) (8) |
| Severe Service | (3) | 12,000 |
| Rear Differential Fluid (8) |
| Severe Service | (3) | 12,000 |
| Repack Front Wheel Bearings (2WD) |
| Normal Service | 18 | 22,500 |
| Severe Service | (3) | 21,000 |
| (1) Light-duty vehicles apply to all 1500 and 2500 models. (2) Different interval may be required for normal and severe service. Severe service is described as long periods of engine idling, frequent short trip operation of less than 5 miles, trailer towing, off-highway operation, snow removal operation, or operating in dusty or excessively hot conditions. (3) Monthly interval is not available from manufacturer. (4) Inspect air filter every 15,000 miles and replace as necessary. Replace at 30,000 miles unless previously replaced during inspection. (5) Replace coolant at 45,000 miles or 36 months whichever occurs first. Replace coolant at 36 months regardless of mileage. After first coolant change, replace coolant every 24 months or 30,000 miles thereafter. (6) Inspect at scheduled interval and replace as necessary. (7) Service interval is not available from manufacturer. (8) Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
| (1) | Light-duty vehicles apply to all 1500 and 2500 models. |
| (2) | Different interval may be required for normal and severe service. Severe service is described as long periods of engine idling, frequent short trip operation of less than 5 miles, trailer towing, off-highway operation, snow removal operation, or operating in dusty or excessively hot conditions. |
| (3) | Monthly interval is not available from manufacturer. |
| (4) | Inspect air filter every 15,000 miles and replace as necessary. Replace at 30,000 miles unless previously replaced during inspection. |
| (5) | Replace coolant at 45,000 miles or 36 months whichever occurs first. Replace coolant at 36 months regardless of mileage. After first coolant change, replace coolant every 24 months or 30,000 miles thereafter. |
| (6) | Inspect at scheduled interval and replace as necessary. |
| (7) | Service interval is not available from manufacturer. |
| (8) | Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
REPLACEMENT INTERVALS (RAM PICKUP LIGHT-DUTY VEHICLES) (1) (2)
| Component | Months | Miles |
|---|
| Air Filter |
| Normal Service | 24 | 24,000 |
| Severe Service | (3) | (4) 12,000 |
| Air Injection Pump Filter |
| Normal Service | 24 | 24,000 |
| Severe Service | (3) | (4) 12,000 |
| Coolant | (5) | (5) |
| EGR Valve (5.9L Only) (6) |
| Normal Service | 60 | 60,000 |
| Severe Service | (3) | 60,000 |
| Engine Oil |
| Normal Service | 6 | 6000 |
| Severe Service | (3) | 3000 |
| Engine Oil Filter |
| 5.9L |
| Normal Service | 12 | 12,000 |
| Severe Service | (3) | 6000 |
| 8.0L |
| Normal Service | 6 | 6000 |
| Severe Service | (3) | 3000 |
| PCV Valve (5.9L Only) |
| Normal Service | 60 | 60,000 |
| Severe Service (7) | (3) | 30,000 |
| Distributor Cap & Rotor 5.9L Only) |
| Normal Service | 60 | 60,000 |
| Severe Service | (3) | 60,000 |
| Spark Plugs |
| Normal Service | 30 | 30,000 |
| Severe Service | (3) | 30,000 |
| Spark Plug Wires |
| Normal Service | 60 | 60,000 |
| Severe Service | (3) | 60,000 |
| Oxygen Sensor (5.9L Only) |
| Normal Service | 82 | 82,500 |
| Severe Service | (3) | 82,500 |
| Automatic Transmission Fluid, Filter & Band Adjustment |
| Normal Service | 24 | 24,000 |
| Severe Service | (3) | 12,000 |
| Manual Transmission Fluid | (8) | (8) |
| Transfer Case Fluid (4WD) |
| Normal Service | 36 | 36,000 |
| Severe Service | (3) | 18,000 |
| Front Differential Fluid (4WD) (9) |
| Severe Service | (3) | 12,000 |
| Rear Differential Fluid (9) |
| Severe Service | (3) | 12,000 |
| Repack Front Wheel Bearings |
| 2WD |
| Normal Service | 24 | 24,000 |
| Severe Service | (3) | 9000 |
| 4WD |
| Normal Service | 18 | 18,000 |
| Severe Service | (3) | 6000 |
| (1) Heavy-duty vehicles apply to 3500 Federal models with 5.9L gasoline engine. (2) Different interval may be required for normal and severe service. Severe service is described as long periods of engine idling, frequent short trip operation of less than 5 miles, trailer towing, off-highway operation, snow removal operation, or operating in dusty or excessively hot conditions. (3) Monthly interval is not available from manufacturer. (4) Inspect filter every 12,000 miles and replace as necessary. Replace at 24,000 miles unless previously replaced during inspection. (5) Replace coolant at 36,000 miles or 36 months whichever occurs first. Replace coolant at 36 months regardless of mileage. After first coolant change, replace coolant every 24 months or 30,000 miles thereafter. (6) If equipped with EGR valve, clean EGR passages when replacing EGR valve. (7) Inspect and replace as necessary. Replace PCV valve at 60,000 miles. (8) Service interval is not available from manufacturer. (9) Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
| (1) | Heavy-duty vehicles apply to 3500 Federal models with 5.9L gasoline engine. |
| (2) | Different interval may be required for normal and severe service. Severe service is described as long periods of engine idling, frequent short trip operation of less than 5 miles, trailer towing, off-highway operation, snow removal operation, or operating in dusty or excessively hot conditions. |
| (3) | Monthly interval is not available from manufacturer. |
| (4) | Inspect filter every 12,000 miles and replace as necessary. Replace at 24,000 miles unless previously replaced during inspection. |
| (5) | Replace coolant at 36,000 miles or 36 months whichever occurs first. Replace coolant at 36 months regardless of mileage. After first coolant change, replace coolant every 24 months or 30,000 miles thereafter. |
| (6) | If equipped with EGR valve, clean EGR passages when replacing EGR valve. |
| (7) | Inspect and replace as necessary. Replace PCV valve at 60,000 miles. |
| (8) | Service interval is not available from manufacturer. |
| (9) | Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
REPLACEMENT INTERVALS RAM PICKUP HEAVY-DUTY VEHICLES) (1) (2)
| Application | New Belt | (1) Used Belt |
|---|
| Ram Pickup | (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. |
| (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. |
BELT ADJUSTMENT (Tension In Lbs. (kg) Using Belt Tension Gauge)
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.
| Application | Specification |
|---|
| Compression Ratio | 9.1:1 |
| Normal Compression Pressure | (1) |
| Minimum Compression Pressure | 100 psi (690 kPa) |
| Maximum Variation Between Cylinders | (1) |
| (1) Information is not available from manufacturer. |
| (1) | Information is not available from manufacturer. |
COMPRESSION SPECIFICATIONS
Gasoline Models
All engines are equipped with hydraulic lifters. No adjustments are required.
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Ram Pickup |
| Diamond (1) | .97-1.18 | 11,300-15,300 |
| Toyodenso (1) | .95-1.20 | 11,300-13,300 |
| (1) This is the manufacturer of ignition coil. |
| (1) | This is the manufacturer of ignition coil. |
IGNITION COIL RESISTANCE - Ohms @ 70-80°F (21-27°C)
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
|---|
| All High Tension Wires | (1) |
| (1) Resistance should be 250-1000 ohms per one inch or 3000-12,000 ohms per 12 inches. |
| (1) | Resistance should be 250-1000 ohms per one inch or 3000-12,000 ohms per 12 inches. |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | Champion No. |
|---|
| Ram Pickup | RC12LC4 |
| (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. |
| (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. |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| Ram Pickup | .040 (1.01) | 30 (41) |
| (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. |
| (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. |
SPARK PLUG SPECIFICATIONS (1)
Firing Order & Distributor Rotation. Scheme 3
Scheme 3: Firing Order & Distributor Rotation
IGNITION TIMING
Note. Ignition timing is controlled by Powertrain Control Module (PCM). Ignition timing is nonadjustable. DO NOT attempt to adjust ignition timing.
Note. On Ram Pickup 5.9L, the distributor can be checked for proper location. See FUEL SYSTEM SYNCHRONIZATION under FUEL SYSTEM in ADJUSTMENTS article.
FUEL PUMP (GASOLINE)
| Application | Pressure psi (kg/cm 2 ) | Min. Vol. In 7 Sec. Pts. (L) |
|---|
| Ram Pickup | (1) 44-54 (3.1-3.8) | .5 (24) |
| (1) Manufacturer lists fuel pressure with engine idling. |
| (1) | Manufacturer lists fuel pressure with engine idling. |
INJECTOR RESISTANCE
| Application | Ohms @ 68°F (20°C) |
|---|
| Ram Pickup | 10-16 |
IDLE SPEED & MIXTURE
Note. Idle speed and mixture are controlled by Powertrain Control Module (PCM). No adjustment is required.
| Application | RPM |
|---|
| Gasoline Models | (1) |
| (1) Idle speed is controlled by Powertrain Control Module PCM) and idle air control motor. Idle speed is nonadjustable. |
| (1) | Idle speed is controlled by Powertrain Control Module PCM) and idle air control motor. Idle speed is nonadjustable. |
IDLE SPEED SPECIFICATIONS
THROTTLE BODY MINIMUM AIRFLOW IDLE SPEED
| Application | RPM |
|---|
| Ram Pickup | (1) 500-900 |
| (1) Specification listed with Air Metering Fitting (6714) installed. |
| (1) | Specification listed with Air Metering Fitting (6714) installed. |
THROTTLE BODY MINIMUM AIRFLOW IDLE SPEED SPECIFICATIONS
THROTTLE POSITION SENSOR
| Throttle Opening | Volts |
|---|
| Ram Pickup (1) (2) |
| At Idle | .35-.90 |
| At Full Throttle | Less Than 4.50 |
| (1) Measure voltage at center terminal on throttle position sensor with ignition on. (2) Voltage should increase smoothly when moving throttle from idle to full throttle. |
| (1) | Measure voltage at center terminal on throttle position sensor with ignition on. |
| (2) | Voltage should increase smoothly when moving throttle from idle to full throttle. |
THROTTLE POSITION SENSOR VOLTAGE SPECIFICATIONS
