Complete OEM service intervals, DIY guides, parts list, and how-to videos for the 2020 Lexus GX.
Track Your Lexus GX Free →| Maintenance Task | Interval |
|---|---|
| Engine Oil & Filter Change | Every 10,000 miles |
4.6L V8 (2016-22): Toyota 0W-20, 7.5 qt. 3.4L Twin-Turbo V6 (2024+): 0W-20, 6.5 qt. Severe duty: 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 100,000 miles |
Toyota Super Long Life Coolant (pink). V8 ≈13.0 qt. V6 TT ≈11.5 qt. | |
| Transmission Fluid Change | Every 60,000 miles |
8-speed: Toyota ATF WS, ≈10.5 qt. 6-speed (2016-22): Toyota ATF WS. Severe duty: 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 60,000 miles |
Iridium plugs may last 100,000+ mi. Use OEM-specified plug type and gap. | |
| 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 30,000 miles |
Full-time 4WD: Toyota 80W-90 gear oil (8000-mile severe duty interval). ≈3.0 qt. Add limited-slip friction modifier if LSD. | |
| Front Differential Fluid Change | Every 30,000 miles |
Toyota 80W-90 gear oil, ≈2.5 qt. | |
| Transfer Case Fluid Change | Every 30,000 miles |
Toyota ATF WS or 75W-90 per model year, ≈1.5 qt. | |
Factory-recommended maintenance intervals directly from Lexus'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 Lexus GX.
Log services, track mileage, and get reminders — all from your phone.
Selling? Generate a shareable service history link for potential buyers.