2026 Jeep Gladiator Maintenance Schedule
Complete Service Intervals for the Gladiator 3.6L Pentastar V6
Proudly serving Brevard, Asheville, Hendersonville, Fletcher & Cherokee NC
Jeep Gladiator Scheduled Maintenance Overview
The Jeep Gladiator is the only open-air 4x4 pickup, built on the Wrangler platform with a 5-foot bed. It uses the proven 3.6L Pentastar V6 across the lineup. Heavy-duty truck use plus Wrangler trail capability means timely oil service is essential. Our Mopar-certified team handles every Gladiator service with OEM-spec full synthetic oil.
Gladiator uses the Stellantis Oil Change Indicator System. Off-road use and towing both shorten intervals significantly. Stellantis specifies never exceeding 10,000 miles or 12 months between oil changes. Frequent trail use, towing, or dusty conditions can trigger service closer to 5,000-7,500 miles.
Oil & Filter
Every OLM interval
(up to 10,000 mi / 12 months)
Tire Rotation
Every 8,000 miles
(or with each oil change)
Cabin Air Filter
Every 12,000-24,000 mi
Spark Plugs
100,000 miles
Complete Maintenance Schedule by Mileage
| Mileage Interval | Services Performed |
|---|---|
| Every Oil Change | Change engine oil & filter • Rotate tires & inspect tread • Multi-point inspection • Inspect brake pads, rotors & hoses • Inspect transmission fluid level • Inspect transfer case & differential fluids • Inspect cooling system • Inspect skid plates & underbody • Inspect cabin & engine air filters • Inspect bed tie-downs and toolbox features |
| 12,000-24,000 Miles | All of the above + Replace cabin air filter |
| 30,000 Miles | All of the above + Replace engine air filter • Inspect transfer case & axle vent tubes |
| 60,000 Miles (Severe / Tow) | All of the above + Change transfer case fluid (severe) • Change front & rear differential fluid (severe / off-road) • Change automatic transmission fluid (severe / heavy tow) |
| 100,000 Miles | All of the above + Replace spark plugs • Inspect accessory drive belt |
| 150,000 Miles | All of the above + Change automatic transmission fluid (normal) • Change all driveline fluids (normal) • Replace accessory drive belt |
| Engine Coolant | Mopar OAT coolant: replace at 10 years / 150,000 miles first interval, then 5 years / 100,000 miles. |
Time-Based Service
Brake fluid: Replace every 3 years regardless of mileage; every 2 years for Rubicon/Mojave off-road and heavy-tow use. Coolant: Mopar OAT (orange).
Engine-Specific Maintenance Details
The 2026 Gladiator uses a single gas engine — the proven Pentastar V6.
| Specification | 3.6L Pentastar V6 |
|---|---|
| Oil Type | SAE 5W-20 Full Synthetic |
| Oil Capacity | 5.9 qt (with filter) |
| Oil Filter | Mopar MO-899 |
| Spark Plugs | Mopar SPRE14ZC (x6) |
| Spark Plug Interval | 100,000 miles |
| Transmission Fluid | Mopar 8-Speed ATF |
| Additional Notes | 285 hp; 4x4 standard; up to 7,700 lbs tow rating |
Off-Road, Trail & Towing Maintenance
Gladiator combines Wrangler off-road capability with pickup truck duty cycles. Owners in Western NC commonly use Gladiators for trail runs in Pisgah and DuPont, plus towing campers, boats, and equipment. Both stress different systems.
- Wash undercarriage thoroughly after off-road runs.
- After deep water crossings, check engine oil and differential fluid for water contamination.
- Inspect axle vent tubes after off-road or water crossing.
- Mojave and Rubicon owners should especially watch driveline fluid service intervals.
- Inspect tow hitch, electrical connections, and ball mount before every tow trip.
- Towing close to the 7,700 lb max rating is severe-duty operation — shorten transmission fluid intervals.
- Bed tie-downs and Trail Rated underbody protection benefit from periodic visual inspection.
- Inspect rocker rails and tow hooks after rock crawling.
Severe & Special Operating Conditions
Stellantis defines severe operating conditions as any of the items below. Most Gladiator owners qualify for at least one.
- Frequent off-road driving in dust, mud, sand, or water
- Towing — Gladiator is rated up to 7,700 lbs
- Frequent short trips that prevent engine warm-up
- Heavy stop-and-go traffic
- Sustained mountain grade driving (Western NC routes)
- Operating in dusty or sandy conditions (gravel forest roads count)
- Extreme cold weather (below 0°F) or extreme heat (above 100°F)
- Heavy bed payloads (tools, equipment, camping gear)
Service for Jeep Gladiator Owners Across Western NC
Gladiator owners across Western NC use these midsize pickups in a mix of demanding ways — commuting from Brevard, towing campers up to Lake Lure, hauling materials around Asheville and Hendersonville, running trails near Cherokee NC, and weekend trips through Pisgah and DuPont. Mountain grades stress brakes and cooling. Off-road runs stress driveline fluids. Towing stresses transmission. Our Mopar-certified service team understands every Gladiator duty cycle.
Monthly & Semi-Annual Owner Checks
Between scheduled service visits, a few quick owner checks help catch problems before they become repairs. These take only a couple of minutes and apply to every Jeep Gladiator.
- Tire pressure — check monthly; before every tow trip; after every off-road run.
- Engine oil level — check every 2-3 fuel fill-ups; before any long trip or trail run.
- Coolant level — verify monthly.
- Brake fluid level — check monthly.
- Washer fluid — top off as needed.
- Visual underbody check — look for fluid leaks, damaged skid plates after trail use.
- Trailer hitch and electrical connections — inspect at each tow trip.
- Battery terminals — inspect every 6 months for off-road Gladiators.
Note on Pricing: Gladiator service pricing varies by trim and use case. Rubicon and Mojave off-road service costs more than Sport pavement service. Towing-heavy users should ask about severe-duty packages. Call (828) 492-2121 for specific quotes.
Schedule Your Jeep Gladiator Maintenance at Mahon CDJR
Mahon CDJR is your authorized Jeep service center for the Gladiator. Our Mopar-certified team handles every interval whether you trail, tow, or daily-drive. Schedule online or call our service team.
Created June 22, 2026 by MM Dealer Advocates