Vehicle Segment:
The 1998 Dodge Ram was a key player in the highly competitive full-size pickup truck market, competing against rivals like the Ford F-150 and Chevrolet Silverado.
Key Selling Points:
Known for its distinctive 'big rig' styling, robust construction, and a range of powerful engine options, including the legendary Magnum V8s.
Direct Competitors:
Ford F-150, Chevrolet Silverado, GMC Sierra, Toyota Tundra (though Tundra was newer to the market).
Differentiation:
Dodge Ram distinguished itself with its aggressive styling and emphasis on V8 power. The 1998 model year was part of the second generation (1994-2001), which saw significant redesigns and updates.
Manual Value Proposition:
Essential for owners and mechanics needing to identify and source specific original parts for repairs and restoration. Provides the correct OEM part numbers for accuracy and compatibility.
Vehicle Era Context:
Represents a period in truck design where functionality and durability were paramount, with less emphasis on advanced electronics compared to modern vehicles.
Engine Components:
Cylinder block, cylinder heads, pistons, crankshaft, camshaft, valves, timing components, intake manifold, exhaust manifold, fuel injectors, fuel pump, oil pump, cooling system components (radiator, water pump, thermostat), emission control components.
Drivetrain Components:
Clutch assembly, transmission components (internal gears, seals, bearings), transfer case components (for 4WD models), driveshafts, universal joints, axles, differentials, CV joints, wheel bearings.
Suspension Steering Components:
Front and rear springs, shock absorbers, control arms, ball joints, tie rods, steering gearbox/rack, power steering pump, steering column components.
Brake Components:
Brake calipers, brake rotors, brake pads, brake drums, brake shoes, master cylinder, brake booster, wheel cylinders, brake lines, parking brake components.
Electrical Components:
Starter motor, alternator, battery, ignition system components (spark plugs, ignition coils), lighting components (headlights, taillights, interior lights), fuses, relays, wiring harnesses, sensors (engine, transmission, ABS), wiper system components.
Body Exterior Components:
Bumpers, grille, hood, fenders, doors, door handles, mirrors, windshield, side glass, rear window, tailgate, bed panels, trim pieces, body hardware (clips, fasteners).
Body Interior Components:
Dashboard, instrument cluster, seats, seat belts, door panels, headliner, floor coverings, pedals, steering wheel, interior trim, HVAC controls, audio system components.
Chassis Frame Components:
Frame rails, crossmembers, body mounts, fuel tank, exhaust system (muffler, pipes, catalytic converter).
Part Identification:
Detailed diagrams and exploded views to visually identify specific parts and their relationships within assemblies. Cross-referencing of part numbers.
Parts Sourcing:
Provides original equipment manufacturer (OEM) part numbers, crucial for ordering correct replacement parts from dealerships or aftermarket suppliers.
Assembly Disassembly Order:
Implied through exploded diagrams, showing the sequence of component installation and removal.
Vin Decoding Relevance:
While not explicitly stated, parts catalogs often require VIN information to ensure accuracy for specific vehicle configurations (engine, drivetrain, trim).
Depth:
Component-level detail. Focuses on identifying individual parts, their supersessions, and application within specific vehicle assemblies. Does not provide repair procedures or diagnostic information.
File Type:
Digital (e.g., PDF, searchable database)
Searchability:
Likely searchable by part number, description, or assembly group, enhancing efficiency.
Graphics Quality:
High-resolution diagrams and illustrations are crucial for accurate part identification.
Printability:
Designed for easy printing of specific pages or sections for workshop use.
Binding:
Not applicable for digital format; if printed, typically comb-bound or spiral-bound for lay-flat viewing.
Paper Quality:
Not applicable for digital format; if printed, typically on durable, glossy paper to withstand workshop conditions.
Engine Options:
3.9L Magnum V6, 5.2L Magnum V8, 5.9L Magnum V8.
Engine Code V6:
318 cu in (5.2 L) - Often referred to as the 5.2L Magnum
Engine Code V8 Small:
360 cu in (5.9 L) - Often referred to as the 5.9L Magnum
Horsepower 5.2L:
Approx. 220-230 hp @ 4,000 rpm (depending on specific configuration)
Torque 5.2L:
Approx. 295-300 lb-ft @ 3,200 rpm (depending on specific configuration)
Horsepower 5.9L:
Approx. 245-255 hp @ 4,000 rpm (depending on specific configuration)
Torque 5.9L:
Approx. 345-350 lb-ft @ 3,200 rpm (depending on specific configuration)
Fuel Delivery:
Multi-point fuel injection (MPFI)
Fuel Type:
Unleaded gasoline
Cooling Type:
Pressurized liquid cooling system
Oil Type 5.2L:
API SG or SH, SAE 10W-30 (check manual for seasonal variations)
Oil Type 5.9L:
API SG or SH, SAE 10W-30 or 10W-40 (check manual for seasonal variations)
Transmission Options:
4-speed Automatic (42RE for 5.2L/5.9L, 44RE for heavier duty applications), 5-speed Manual (NV3500 for 3.9L/5.2L).
Automatic Transmission V8:
46RE (4-speed Automatic) typically found with the 5.9L Magnum V8 in heavier duty configurations.
Manual Transmission:
NV3500 (5-speed Manual) available on certain configurations, primarily with the 3.9L V6 and 5.2L V8.
Transfer Case 4Wd:
New Process (NP) 231 (part-time, electronic shift) or NP 241 (heavy-duty, electronic shift) depending on configuration.
Fluid Specifications Automatic
Automatic Transmission Fluid:
ATF+3 or ATF+4 (Chrysler specifications). Consult specific manual for exact fluid type and capacity.
Fluid Specifications Manual
Manual Transmission Fluid:
GL-4 rated gear oil, typically SAE 75W-90 or 80W-90. Consult specific manual for exact fluid type and capacity.
Wheelbase Regular Cab:
118.7 inches (2WD/4WD)
Wheelbase Extended Cab:
134.7 inches (2WD/4WD)
Bed Lengths:
6.0 ft (Standard Bed), 8.0 ft (Long Bed)
Overall Length Example:
Approx. 200-220 inches (depending on cab and bed configuration)
Curb Weight Range:
Approx. 4,000 - 5,000+ lbs (depending on configuration)
Gross Vehicle Weight Rating Gvwr:
Varies by configuration, often in the 6,000 - 8,500+ lbs range.
Towing Capacity:
Up to ~7,000-8,000+ lbs (depending on engine, axle ratio, and towing package).
Wheel Bolt Pattern:
5x5.5 inches (5x139.7 mm)
Standard Tire Sizes:
Commonly P235/75R15, P245/75R16, P265/70R17 depending on trim and configuration.
Audio System:
Factory AM/FM stereo with cassette player, optional CD player. Speaker configurations varied by trim.
Climate Control:
Manual HVAC controls with air conditioning standard or optional depending on trim level. Some models may have offered automatic temperature control.
Cruise Control:
Standard or optional depending on trim.
Gauges Instrumentation:
Standard analog gauges (speedometer, tachometer, fuel, temperature, oil pressure) with indicator lights for various systems.
Connectivity Features:
Limited by modern standards. Typically featured power windows, power locks, and remote keyless entry on higher trims. No integrated Bluetooth or USB ports.
Oil Change Interval:
Typically every 3,000 - 7,500 miles (depending on oil type and driving conditions, consult owner's manual).
Air Filter Replacement:
Every 15,000 - 30,000 miles or as needed based on inspection.
Spark Plug Replacement:
30,000 - 100,000 miles depending on spark plug type (conventional vs. platinum/iridium). The 1998 Ram used distributors and coil packs, so original plugs might have had shorter intervals than modern coil-on-plug systems.
Transmission Fluid Change:
Every 30,000 - 60,000 miles for automatic transmissions, depending on use (towing, heavy loads).
Coolant Type:
Chrysler's orange or red long-life coolant (5/150 formula). Typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
ATF+3 or Mopar power steering fluid.
Common Wear Items:
Ball joints, tie rod ends, u-joints (especially in 4WD models), brake components (rotors, pads), fuel pump failures.
Transmission Issues:
Overdrive planetary gear failure in 46RE/47RE automatics can occur with high mileage or heavy use. Valve body issues can also arise.
Engine Issues:
Head gasket leaks (less common than some competitors but possible), intake manifold gasket leaks on V8s, oil leaks from valve covers and oil pans.
Electrical Issues:
Actuator failures for HVAC blend doors, intermittent gauge cluster issues, failing power window motors.
Rust Locations:
Common rust areas include cab corners, rocker panels, rear fenders, and bed crossmembers, especially in regions with road salt.
Dodge Truck Legacy:
Dodge has a long history of producing trucks, with the Ram nameplate becoming prominent in 1981, evolving from the D-series trucks. The 'Ram' name itself became a distinct sub-brand in 2009.
Second Generation Ram:
The 1998 model is part of the second generation (1994-2001), which was a significant redesign from the first generation. It introduced the 'big rig' styling, improved interiors, and the robust Magnum engine family.
Mid-Cycle Refresh Impact:
While the overall platform remained, the 1998 model year falls within the earlier part of this generation. Minor updates or package changes may have occurred from previous years.
Assembly Locations:
Primarily assembled at the Warren Truck Assembly Plant in Warren, Michigan, and the Saltillo Truck Assembly Plant in Saltillo, Mexico.
Production Volume:
The Dodge Ram was a high-volume seller, with hundreds of thousands produced annually during this era.