Engine Coolant; Coolant Selection; If The Coolant Level Drops Within A Short Time Of Replenishing - Lexus LX 570 2016 Service Manual

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6-3. Do-it-yourself maintenance

Engine coolant

The coolant level is satisfactory if it is between the "F" and "L" lines on the reser-
voir when the engine is cold.
Reservoir cap
1
"F"
2
"L"
3
If the level is on or below the "L" line, add
coolant up to the "F" line.

Coolant selection

■
Only use "Toyota Super Long Life Coolant" or a similar high quality ethylene glycol-
based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid
organic acid technology.
U.S.A.: "Toyota Super Long Life Coolant" is a mixture of 50 % coolant and 50 % deion-
ized water. (Minimum temperature: -31F [-35C])
Canada: "Toyota Super Long Life Coolant" is a mixture of 55 % coolant and 45 % deion-
ized water. (Minimum temperature: -44F [-42C])
For more details about engine coolant, contact your Lexus dealer.

If the coolant level drops within a short time of replenishing

■
Visually check the radiator, hoses, engine coolant reservoir caps, drain cock and water
pump. If you cannot find a leak, have your Lexus dealer test the cap and check for leaks in
the cooling system.
WARNING
When the engine is hot
■
Do not remove the radiator cap, or the coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing serious injuries, such as burns.
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