| Engine oil & filter | 6.5 L with filter, 6.2 L without (2018 and 2020 US Armada owner's manuals; Penrite's Australian Patrol data also gives 6.5 L) · Armada grade: Nissan Motor Oil 0W-20 SN, or a synthetic 0W-20 GF-5 SN (2020 manual) · Patrol grade outside the US confirm in manual · Nissan spin-on filter (shared with the Y61 TB45/TB48) | Baseline now | The same genuine filter fits the GU's petrol sixes and the Y62's VK56.Genuine Nissan oil filter, Y62 VK56 · Patrolapart ↗Oil filter, 2018 Armada 5.6L · RockAuto ↗ |
| Air filter | Genuine VK56 element; Donaldson or Ryco for aftermarket airboxes | Replace now; check after every sandy trip | CarSwitch says fine sand in the filter is a sign of hard desert use.Genuine Nissan air filter element, Y62 · Patrolapart ↗Donaldson air filter for PatrolDocta airbox/snorkel, Y62 · Patrolapart ↗ |
| Cabin filter | Pollen filter above the heater fan | Replace now | A clogged filter cuts airflow and strains the fan.Genuine Nissan pollen cabin filter, Y62 · Patrolapart ↗ |
| Spark plugs | Eight plugs, genuine Nissan or NGK equivalent · Armada manual lists DILKAR7B11, gap 1.1 mm · replace every 105,000 mi (168,000 km), or sooner if the gap exceeds 1.35 mm | Replace if no record | Misfires can damage the catalytic converters.NGK spark plug, Y62 VK56 · Patrolapart ↗Genuine spark plug, Y62 VK56 · Patrolapart ↗Spark plugs, 2018 Armada 5.6L · RockAuto ↗ |
| Coolant & thermostat | Nissan blue long-life coolant, 50/50 premix | Flush if no record | Series 1–2 trucks use an 82°C thermostat; Series 3 on (from 02/2016) use an electronic thermostat assembly.Genuine Nissan long-life coolant, 4 L blue · Patrolapart ↗ |
| Automatic transmission fluid & filter | Nissan Matic-S; filter inside the pan | Service now if no record; more often if towing | Early 2010–2014 trucks have a reputation for valve-body problems (CarSwitch). Fresh fluid is cheap insurance.Genuine Nissan Y62 ATF (Matic-S), 5 L · Patrolapart ↗RE7 filter and gasket kit, Y62 · Patrolapart ↗ |
| Transfer case | Nissan ATX 90A · 1.5 L service refill | Change now if no record | The Y62's electronic multi-plate clutch transfer case needs the specified fluid.Genuine Nissan transfer case oil ATX 90A, 1 L · Patrolapart ↗ |
| Front & rear differentials | Armada manual: front Nissan Hypoid Super GL-5 80W-90 (conventional, not synthetic); rear Hypoid Super-S GL-5 75W-90 synthetic (2018) or Hypoid Fluid S1 GL-5 75W-80 (2020) · front 1.6 L, rear 2.3 L (Penrite, Australian Patrol) · rear has a helical LSD and, on Patrols, an electric locker: Patrol rear grade confirm in manual | Change now if no record, and after deep water. The Armada schedule says to change it every 20,000 mi (32,000 km) or 24 months when towing or driving rough or muddy roads. | Extend the breathers before wading.4-point diff, gearbox and transfer breather kit, Y62 · Patrolapart ↗ |
| Brake fluid, pads & rotors | Nissan Super Heavy Duty Brake Fluid or equivalent DOT 3 (Armada manual) · replace every 20,000 mi / 24 months (2018 schedule) or 30,000 mi / 36 months (2020 schedule); every 10,000 mi / 12 months in severe use | Flush now; measure pads and rotors | The weight wears brakes quickly (Cars.co.za).Genuine Nissan front brake pads, Y62 · Patrolapart ↗Brake fluid, 2018 Armada 5.6L · RockAuto ↗ |
| Serpentine belt & tensioner | Single belt drives the alternator, power steering and A/C | Inspect now | Replace the tensioner if the belt squeals or vibrates.Gates serpentine belt, Y62 VK56 · Patrolapart ↗ |
| HBMC system (if fitted) | Inspect the rams, lines and accumulators at each corner | Inspect now | Look for wet fittings and check the truck sits level. Lifted trucks should have an HBMC-specific kit.Ontrack 2-in lift kit stage 1, Y62 HBMC · Patrolapart ↗ |
| CV boots & ball joints | Inspect the inner and outer boots and all four ball joints | Inspect now | Split boots let in grit fast, especially on lifted trucks.Front inner CV boot kit, Y62 · Patrolapart ↗Front lower control arm ball joint, Y62 · Patrolapart ↗ |
| Battery | Driver's-side main battery, N70 size (Patrolapart) | Load-test now | Load-test it and check the terminals; replace with the correct N70 size.Century ultra high performance battery, Y62 main (810 CCA) · Patrolapart ↗ |