| Engine oil & filter | SAE 0W-20 ILSAC (5W-20 only as a stopgap) · 8.2 US qt (7.8 L) with filter | At purchase, then every 10,000 mi / 12 months. Every 5,000 mi / 6 months for off-road, towing or dusty use. | Cartridge filter under a plastic cap. GXOR's maintenance page links a ClubLexus thread on swapping the cap for a metal one.Oil filter, 2015 GX 460 · RockAuto ↗Oil drain plug gasket, 2015 GX 460 · RockAuto ↗ |
| Air filter | 1UR-FE panel element | Every 30,000 mi. Inspect more often off-road. | Air filter, 2015 GX 460 · RockAuto ↗ |
| Cabin filter | Cabin air filter element | Every 30,000 mi | Cabin air filter, 2015 GX 460 · RockAuto ↗ |
| Spark plugs | Denso SK20HR11 iridium · gap 1.1 mm. Do not adjust the gap. | Every 120,000 mi | Spark plugs, 2015 GX 460 · RockAuto ↗ |
| Coolant | Toyota Super Long Life (pink) · 16.3 US qt with rear heater, 14.5 US qt without | First at 100,000 mi / 120 months, then every 50,000 mi / 60 months | Use pink Super Long Life, not the older red Long Life. While you're there, look for pink crust at the rear of the valley and at the water pump weep hole.Coolant, 2015 GX 460 · RockAuto ↗Thermostat, 2015 GX 460 · RockAuto ↗ |
| Automatic transmission (6-speed) | Toyota Genuine ATF WS only · 11.6–11.8 US qt total (reference) | Drain-and-fill at purchase. The schedule calls for a change every 60,000 mi when towing. | A drain-and-fill is also the first step in the P2714/P0761 cold-shift fix. Repeat it rather than power-flushing.ATF WS, 2015 GX 460 · RockAuto ↗Transmission pan gasket, 2015 GX 460 · RockAuto ↗ |
| Transfer case | Toyota Genuine Transfer Gear Oil LF, SAE 75W · 1.5 US qt (1.4 L) | At purchase, then every 30,000 mi off-road or towing | Gear oil, 2015 GX 460 · RockAuto ↗ |
| Front & rear differentials | Toyota Genuine Differential Gear Oil LT 75W-85 GL-5 · front 1.48 US qt (1.40 L), rear 2.85 US qt (2.70 L) | At purchase, then every 15,000 mi if you tow | Front diff service is easier with the skid plate off.Gear oil, 2015 GX 460 · RockAuto ↗Front diff drain plug with copper gasket, GX 460/470 · CruiserTeq ↗Front diff drain plug gasket, GX 460/470 · CruiserTeq ↗ |
| Power steering fluid | ATF Dexron II or III | Check level and leaks at purchase | Power steering fluid, 2015 GX 460 · RockAuto ↗ |
| Brake fluid | SAE J1703 or FMVSS No. 116 DOT 3 | Every 30,000 mi | GXOR links a ClubLexus thread on bleeding the brakes with Techstream.Brake fluid, 2015 GX 460 · RockAuto ↗ |
| Propeller shaft grease | Spiders: lithium chassis grease NLGI No. 2 · slide yoke: moly lithium or lithium multipurpose NLGI No. 2 | At purchase, then within 24 hours of any water crossing | Red-i hi-temp and moly grease kit (6 tubes) · CruiserTeq ↗U-joint, 120/150 Series front shaft · CruiserTeq ↗ |
| Fuel filter | North American trucks use the strainer sock on the in-tank pump (GXOR) | No scheduled change | Replace it only if you have the pump out.Fuel pump strainer, 2015 GX 460 · RockAuto ↗ |
| Rear air suspension & KDSS | Air springs, compressor/dryer and height sensors · KDSS cylinders and lines | Inspect at purchase | Check that the truck holds height overnight, and look for weeping at the KDSS cylinders and lines.Rear air springs, 2015 GX 460 · RockAuto ↗Air compressor dryer, 2015 GX 460 · RockAuto ↗ |