2018 Ram 2500 Maintenance Schedule
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick Reference
| Mileage | Service | Notes |
|---|---|---|
| 5,000 | Engine oil & filter change, Tire rotation | Semi-synthetic or full synthetic oil recommended. |
| 10,000 | Engine oil & filter change, Tire rotation | |
| 15,000 | Engine oil & filter change, Tire rotation | |
| 20,000 | Engine oil & filter change, Tire rotation | Inspect and adjust parking brake. |
| 30,000 | Engine oil & filter change, Tire rotation, Cabin air filter, Engine air filter, Fuel filter | Inspect front suspension, tie rods, and brake linings. |
| 60,000 | Engine oil & filter change, Tire rotation, Cabin air filter, Engine air filter, Fuel filter, Transmission fluid & filter, Spark plugs (6.4L V8) | 6.4L Hemi V8 requires spark plug replacement at 100,000 miles. |
| 100,000 | Engine oil & filter change, Tire rotation, Spark plugs (6.4L V8), Coolant flush | Inspect and replace PCV valve if needed. |
| 120,000 | Engine oil & filter change, Tire rotation, Transmission fluid & filter, Accessory drive belt inspection | Inspect timing chain for wear. |
| 150,000 | Engine oil & filter change, Tire rotation, Coolant flush, Differential fluid change | Inspect and potentially replace shocks and struts. |
Severe-duty schedule
For trucks that see heavy use—towing, commercial work, dusty environments, or frequent short trips—the maintenance schedule needs to be more aggressive.
- Engine Oil & Filter: Change every 4,000 miles or 400 hours of engine operation, whichever comes first.
- Fuel Filter: Replace every 15,000 miles.
- Transmission Fluid: Service every 60,000 miles.
- Differentials & Transfer Case: Service every 30,000 miles.
Known issues by mileage
- 30,000 miles: Some owners report premature wear on the front suspension components, including the ball joints and tie rods.
- 60,000 miles: The factory-installed shocks and struts may begin to show signs of wear, leading to a harsher ride.
- 100,000 miles: The 6.4L Hemi V8 may develop exhaust manifold leaks, and the water pump and thermostat are also known failure points around this mileage.
Estimated cost per service
- 5,000-mile service: $50-$100 (oil change, tire rotation)
- 30,000-mile service: $250-$400 (oil change, tire rotation, all filters)
- 60,000-mile service: $600-$900 (includes transmission service and spark plugs)
- 100,000-mile service: $800-$1,200 (includes coolant flush and spark plugs)
What you can DIY vs shop
- DIY: Oil and filter changes, tire rotations, cabin and engine air filter replacements, and accessory belt inspection.
- Shop: Transmission fluid and filter changes, spark plug replacement, coolant flushes, differential service, and any suspension or brake work.
Book service on Repairius.
More specs for the 2018 Ram 2500
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2018 Ram 2500 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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