| Engine oil & filter | 3F-E: 7.8 L (8.2 US qt) with filter change, 7.0 L without, 8.0 L dry (Toyota 3F-E repair manual supplement) · API SC–SF or better; Toyota's temperature chart runs from 5W-30 for cold climates to 20W-50 for hot ones, with 10W-30 and 15W-40 between | Then every 3,000–5,000 mi confirm in manual | Fill to the dipstick, not a number: the oil cooler holds some oil, and IH8MUD owners report 7–8.5 qt depending on how fully it drained. Pre-filling the filter helps.Oil filter, F/2F/3F-E (OILYZZD3) · CruiserTeq ↗Oil drain plug gasket, FJ62/FJ80 3F-E (OPG12012) · CruiserTeq ↗ |
| Air filter & intake hose | Paper element for 3F-E | Inspect at every oil change | Check the rubber intake hose for cracks while the lid is off; an air leak after the meter can upset the EFI.Air filter, 3F-E and others (ENGAF68020) · CruiserTeq ↗Air intake hose, FJ62 3F-E (ENGAF61070) · CruiserTeq ↗ |
| Ignition tune-up & PCV | Plugs, wires, cap, rotor and PCV valve · plugs ND W16EXR-U or NGK BPR5EY, gapped 0.8 mm (0.031 in) (Toyota 3F-E repair manual supplement) | Now, then per the owner's manual confirm in manual | The F-series is an OHV engine (Wikipedia), so there is no timing belt to budget for. IH8MUD members start rough-idle hunts with a tune-up and a full set of vacuum hoses.Spark plug set, FJ62 3F-E (IGN01064SET6) · CruiserTeq ↗Spark plug wire set, FJ62 (IGN21451) · CruiserTeq ↗Distributor cap, 3F-E (DISTC61240) · CruiserTeq ↗PCV valve, FJ62/FJ80 (ENGPCV35040) · CruiserTeq ↗ |
| Coolant & hoses | Ethylene-glycol coolant · 17.5 L with the front heater only, 19.5 L with front and rear heaters (Toyota 3F-E repair manual supplement); an IH8MUD compilation of Toyota data lists 16.5 L | Flush now, then every 2 years confirm in manual | Replace any hose that is hard or swollen, and check the upper thermostat housing and radiator for old repairs; overheating history matters on a big iron six.Upper thermostat housing, FJ62/FJ80 3F-E (RAD163033FE) · CruiserTeq ↗Cooling-system catalog, 1989 Land Cruiser · RockAuto ↗ |
| A440F automatic transmission | Dexron II ATF · 5 L drain-and-refill, 15 L dry fill (Toyota publications via IH8MUD) | Then per the owner's manual schedule confirm in manual | A drain-and-refill only changes about a third of the fluid, so do two or three a few hundred miles apart on unknown fluid rather than a pressure flush. Drop the pan and change the strainer once.A440F transmission filter kit, 1984–1992 6x/7x/8x (TRKFS216) · CruiserTeq ↗ |
| Transfer case | API GL-4 or GL-5, SAE 90 · 2.1 L with the A440F (Toyota publications via IH8MUD) | Then per the owner's manual schedule confirm in manual | Fill until it runs out of the fill hole, and remove the fill plug before the drain plug. |
| Front differential | API GL-5 hypoid gear oil, SAE 80W-90 · 3.0 L (Toyota publications via IH8MUD) | Then per the owner's manual schedule confirm in manual | Milky oil means water got in through the breather or seals, common after deep crossings. |
| Rear differential | API GL-5 hypoid gear oil, SAE 80W-90 · 2.5 L; LSD oil if fitted with a limited-slip (Toyota publications via IH8MUD) | Then per the owner's manual schedule confirm in manual | Check the pinion seal and axle-end seals for weeps while you're under there. |
| Steering knuckles (closed Birfield) | Molybdenum-disulfide lithium-base grease, NLGI-2 (Toyota publications via IH8MUD) | Inspect now; rebuild if leaking | Grease weeping from the knuckle wipers is the classic 60-series leak (Corsetti). If the knuckle grease is runny, gear oil is getting past the inner axle seal.Knuckle rebuild kit, 4x/5x/6x/7x disc axle (FA7590) · CruiserTeq ↗Red-i MOLY grease, 14 oz · CruiserTeq ↗ |
| Power steering fluid | Dexron or Dexron II ATF · 0.81 L total, 0.39 L reservoir only (Toyota publications via IH8MUD) | Refresh now if dark | Check the box, pump and hoses for weeps at the same time; leaks often show on the driver's-side axle and spring.Steering box adjuster plug seal, FJ60/FJ62 (ST19002) · CruiserTeq ↗ |
| Brake fluid | DOT 3 / SAE J1703 (Toyota publications via IH8MUD) | Flush now, then every 2 years confirm in manual | Old fluid in a 30-year-old system means sticky calipers and corroded lines; inspect the hard lines while bleeding.Brake master cylinder rebuild kit, 8/1987–1/1990 FJ62 (BMK60160KOEM) · CruiserTeq ↗ |
| Chassis grease points | Driveshafts: lithium-base NLGI-2 · steering link ends: moly lithium NLGI-2 (Toyota publications via IH8MUD) | At every oil change | Grease the U-joints and slip yokes. Greaseable shackles and pins, like those in OME kits, need regular grease too.Red-i MOLY grease, 14 oz · CruiserTeq ↗ |
| Fuel filter | EFI in-line filter for FJ62 | Replace now if there's no record | An old filter starves the EFI and can mimic a rough-idle or vacuum problem.Fuel filter, OEM, 8/87–1/90 FJ62 (EGF69025OE) · CruiserTeq ↗Fuel pump strainer, 1988–1992 FJ62/FJ80 (EGF35040) · CruiserTeq ↗ |