Parts for your 2005 Toyota Land cruiser-Coolant

2005 Toyota Land Cruiser coolant — what it does and how to look after it

Coolant is absolutely used on the 2005 Toyota Land Cruiser. Toyota’s technical literature for the 100 Series (covering the 2UZ‑FE V8 petrol and 1HD‑FTE diesel) specifies a pressurised, liquid-cooled system and the use of Toyota Genuine Long Life Coolant (red) or Super Long Life Coolant (pink). See the 2005 Land Cruiser Owner’s Manual cooling system section, Toyota Repair Manual cooling system chapters, and Toyota Genuine Coolant product specifications for details on type and service intervals.

On a 2005 Land Cruiser, coolant does three big jobs: it hauls heat away from the engine, protects alloy, steel and solder from corrosion, and raises the boil point while lowering the freeze point. It also lubricates the water pump and keeps the heater core happy on cold mornings. That’s why running the right coolant matters, especially for long touring or towing across Aussie and Kiwi conditions.

Most 2005 models were factory-filled with Toyota Genuine Super Long Life Coolant (pink), a premixed 50/50 ethylene‑glycol coolant with long-life inhibitors. Many vehicles in service may also be on Toyota Long Life Coolant (red), which is a concentrate that must be mixed with demineralised water. Don’t mix red and pink, if switching types, do a thorough flush first.

Service intervals depend on what’s in it. For Toyota SLLC (pink), the typical schedule is up to 160,000 km or 10 years for the first change, then every 80,000 km or 5 years. For Toyota LLC (red), plan on about every 40,000–60,000 km or 2 years. Always go by the owner’s manual and what’s currently in the system.

Good maintenance looks like this:

• Check the expansion tank cold level regularly, top up only with the same coolant type.
• Inspect radiator, hoses, clamps and the water pump weep hole for pink/red residue or dampness.
• If the gauge wanders, the heater blows cold, or there’s a sweet smell under the bonnet, test and service the system.
• When refilling, set the heater to HOT, idle the engine, and burp the upper hose to purge air, recheck the level after a full cool-down.

Stick with Toyota Genuine coolant (phosphate, silicate-free formulation) and demineralised water where applicable. Dispose of old coolant responsibly — it’s toxic to pets and the environment. Do this and a 100 Series will stay cool under load, from the high country to the outback.

Sources: 2005 Toyota Land Cruiser Owner’s Manual (Cooling System), Toyota Repair Manual (2UZ‑FE/1HD‑FTE Cooling System), Toyota Genuine Long Life and Super Long Life Coolant product specifications.

Popular questions about 2005 Toyota Land Cruiser coolant

What coolant type should a 2005 Land Cruiser use?
Most will use Toyota Genuine Super Long Life Coolant (pink, premixed 50/50). If the vehicle has been maintained on Toyota Long Life Coolant (red concentrate), keep using red or fully flush before changing to pink. Mixing types isn’t recommended.

How often should the coolant be changed?
With pink SLLC, plan for up to 160,000 km or 10 years initially, then every 80,000 km or 5 years. With red LLC, aim for about every 40,000–60,000 km or 2 years. Heavy towing, lots of gravel or coastal use may justify shorter intervals.

How do you bleed the cooling system on a 100 Series?
Fill at the radiator/expansion point, set the heater to HOT, start the engine and let it idle, squeezing the upper hose to release air. Top up as bubbles clear, fit the cap, bring to operating temp, then recheck the level once fully cold. Take care around hot components and rotating fans.