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 Van/Wagon |
| Std. Battery (Group 27) | 600 | 66 |
| Opt. Battery (Group 27) | 750 | 75 |
| Application | (1) Quantity |
|---|
| Crankcase (Includes Filter) (2) | 4.0 Qts. (3.8L) |
| Cooling System (Includes Heater) | 14.6 Qts. (13.8L) |
| With Rear Heater | 16.0 Qts. (15.1L) |
| Without Rear Heater | 15.0 Qts. (14.2L) |
| Automatic Transmission (Mopar ATF Plus Type 7176) |
| 32RH |
| Drain & Refill | (3) 1.5 Qts. (1.4L) |
| Dry Refill | (4) 8.5-8.8 Qts. (8.0-8.3L) |
| Power Steering Fluid (5) | 2.7 Pts. (1.3L) |
| Rear Differential |
| Dana 60 (Model 248) SAE 90/API GL-5) (6) (7) | 6.3 Pts. (2.9L) |
| 8 1/4" & 9 1/4" Ring Gear (SAE 80W-90/API GL-5) (8) (9) | 4.8 Pts. (2.3L) |
| (1) Approximate quantity listed. (2) Use an API energy conserving engine oil that is certified for gasoline 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) Use only Mopar power steering fluid. DO NOT use automatic transmission fluid. (6) Rear differential may be identified by full-floating axles shafts. (7) Models with Trac-Lok limited slip differential must have 6 ozs. (.18L) of Mopar Trac-Lok Friction Modifier added if lubricant is changed. (8) Rear differential may be identified by number of bolts on rear cover. The 8 1/4" ring gear has 10 bolts on rear cover and 9 1/4" ring gear has 12 bolts on rear cover. (9) 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) | Use an API energy conserving engine oil that is certified for gasoline 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) | Use only Mopar power steering fluid. DO NOT use automatic transmission fluid. |
| (6) | Rear differential may be identified by full-floating axles shafts. |
| (7) | Models with Trac-Lok limited slip differential must have 6 ozs. (.18L) of Mopar Trac-Lok Friction Modifier added if lubricant is changed. |
| (8) | Rear differential may be identified by number of bolts on rear cover. The 8 1/4" ring gear has 10 bolts on rear cover and 9 1/4" ring gear has 12 bolts on rear cover. |
| (9) | 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 VAN/WAGON)
SERVICE INTERVALS & SPECIFICATIONS
| Component | Months | Miles |
|---|
| Air Filter |
| Normal Service | 24 | 30,000 |
| Severe Service | (2) | (3) 15,000 |
| Coolant | (4) | (4) |
| Engine Oil |
| Normal Service | 6 | 7500 |
| Severe Service | (2) | 3000 |
| Engine Oil Filter |
| Normal Service | 12 | 15,000 |
| Severe Service | (2) | 6000 |
| PCV Valve (5) |
| Normal Service | 48 | 60,000 |
| Severe Service | (2) | 30,000 |
| Spark Plugs |
| Normal Service | 24 | 30,000 |
| Severe Service | (2) | 30,000 |
| Spark Plug Wires |
| Normal Service | 48 | 60,000 |
| Severe Service | (2) | 60,000 |
| Automatic Transaxle Fluid, Filter & Band Adjustment | (6) | (6) |
| Rear Differential Fluid Severe Service (7) | (2) | 12,000 |
| Repack Front Wheel Bearings |
| Normal Service | 18 | 22,500 |
| Severe Service | (2) | 21,000 |
| (1) 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, or operating in dusty or excessively hot conditions. (2) Monthly interval is not available from manufacturer. (3) Inspect air filter every 15,000 miles and replace as necessary. Replace at 30,000 miles unless previously replaced during inspection. (4) 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. (5) Inspect at scheduled interval and replace as necessary. (6) Normal service interval is not available from manufacturer. Under severe service, change fluid, filter and adjust bands every 12,000 miles. (7) Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
| (1) | 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, or operating in dusty or excessively hot conditions. |
| (2) | Monthly interval is not available from manufacturer. |
| (3) | Inspect air filter every 15,000 miles and replace as necessary. Replace at 30,000 miles unless previously replaced during inspection. |
| (4) | 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. |
| (5) | Inspect at scheduled interval and replace as necessary. |
| (6) | Normal service interval is not available from manufacturer. Under severe service, change fluid, filter and adjust bands every 12,000 miles. |
| (7) | Normal service interval is not available from manufacturer. Manufacturer lists service schedule only under severe service conditions. |
REPLACEMENT INTERVALS (RAM VAN/WAGON) (1)
| Application | New Belt | (1) Used Belt |
|---|
| Ram Van/Wagon | (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 Van/Wagon |
| 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 Van/Wagon | 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 Van/Wagon | .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)
Engine Cylinder Identification, Firing Order & Distributor Rotation. Scheme 1
Scheme 1: Engine Cylinder Identification, 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 Van/Wagon, 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 Van/Wagon | (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 Van/Wagon | 10-16 |
IDLE SPEED & MIXTURE
Note. On all models, 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 Van/Wagon | (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 Van/Wagon (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
