2021 Jeep Gladiator
90,000 mile service checklist
Here's exactly what your factory maintenance schedule calls for at this mileage — and what each item typically costs.
90,000 mile service
- Engine oil and filter change — 0W-20 full synthetic
- Tire rotation
- Replace spark plugs — iridium, factory interval ~100,000 mi (replace now if not yet due)
- Replace coolant — Mopar OAT, flush and refill
- Replace brake fluid — DOT 3
- Inspect front and rear axle gear oil (replace if not done at 60k or if water/mud exposure was significant)
- Inspect transfer case fluid
- Inspect steering box, drag link, tie rod ends, and u-joints
- Inspect wheel bearings