Complete OEM service intervals, DIY guides, parts list, and how-to videos for the 2021 Jeep Gladiator.
Track Your Jeep Gladiator Free →| Maintenance Task | Interval |
|---|---|
| Engine Oil & Filter Change | Every 10,000 miles |
3.6L Pentastar V6: Mopar 5W-20 (MS-6395), 5.0 qt. 3.0L EcoDiesel: Mopar 5W-30 (MS-10902), 7.0 qt. Severe/off-road: 5,000 mi / 6 mo. | |
| Engine Air Filter Replacement | Every 30,000 miles |
Inspect every 15,000 mi; replace sooner if driving in dusty conditions. | |
| Cabin Air Filter Replacement | Every 15,000 miles |
Replace more frequently in high-pollen or dusty areas. | |
| Tire Rotation | Every 7,500 miles |
Rotate every other oil change. Inspect tread depth and wear patterns. | |
| Tire Pressure Check | Every 5,000 miles |
Check when cold. Follow door-jamb placard, not tire sidewall max. | |
| Brake Pad Inspection | Every 20,000 miles |
Inspect thickness. Replace at ≤3 mm friction material. Severe duty: inspect every 10,000 mi. | |
| Brake Fluid Exchange | Every 45,000 miles |
Moisture contamination reduces boiling point. Use OEM-spec DOT fluid. | |
| Coolant Exchange | Every 60,000 miles |
Use OEM-spec coolant type. Never mix IAT and OAT. Severe duty: 30,000 mi / 30 mo. | |
| Transmission Fluid Change | Every 60,000 miles |
ZF 8HP75 (auto): ZF Lifeguard 8. 6-speed manual: Mopar 75W-85 GL-4. Severe/off-road: 30,000 mi. | |
| Windshield Wiper Blade Replacement | Every 12,000 miles |
Replace when streaking, chattering, or cracking appears. | |
| Battery Inspection & Terminal Cleaning | Every 30,000 miles |
Clean terminals, check charge voltage (12.4V+ resting). Load-test after 3 years. | |
| Serpentine/Drive Belt Inspection | Every 30,000 miles |
Check for cracks, fraying, glazing. Replace per OEM schedule or at first signs of wear. | |
| Power Steering Fluid Check | Every 30,000 miles |
Top off if low. Investigate leaks. EPAS (electric) vehicles have no fluid. | |
| Fuel Filter Replacement | Every 50,000 miles |
Some modern vehicles have lifetime fuel filters in the tank. Verify before replacing. | |
| Spark Plug Replacement | Every 100,000 miles |
3.6L: Mopar SP-143040. | |
| Suspension & Steering Inspection | Every 30,000 miles |
Check ball joints, tie rods, bushings, shocks/struts for play and leaks. | |
| Exhaust System Inspection | Every 45,000 miles |
Check for leaks, rust, loose hangers. Listen for changes in exhaust note. | |
| A/C System Check | Every 30,000 miles |
Verify A/C performance, check refrigerant level, inspect condenser for debris. | |
| Lubricate Door Hinges, Latches & Hood Striker | Every 15,000 miles |
White lithium grease or OEM-equivalent. Prevents squeaks and wear. | |
| Multi-Point Vehicle Inspection | Every 15,000 miles |
Comprehensive bumper-to-bumper check: lights, horn, belts, hoses, leaks, tire condition. | |
| Rear Differential Fluid Change | Every 60,000 miles |
Dana 44 M210/220: Mopar 75W-140 synthetic, ≈2.5 qt. Off-road: 30,000 mi. | |
| Front Differential Fluid Change | Every 60,000 miles |
Dana 30: Mopar 75W-90, ≈2.0 qt. Rubicon (Dana 44): 75W-90. Off-road: 30,000 mi. | |
| Transfer Case Fluid Change | Every 60,000 miles |
NV241: Mopar ATF+4, ≈1.3 qt. Off-road: 30,000 mi. | |
Factory-recommended maintenance intervals directly from Jeep's service schedule.
Exact parts and tools needed for each service, with direct Amazon purchase links.
Curated YouTube tutorials for every maintenance task, matched to your vehicle.
Automatic NHTSA safety recall notifications for your Jeep Gladiator.
Log services, track mileage, and get reminders — all from your phone.
Selling? Generate a shareable service history link for potential buyers.