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6-3. Do-it-yourself maintenance
Coolant selection
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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.
"Toyota Super Long Life Coolant" is a mixture of 50 % coolant and 50 % deionized
water. (Enabled: -35 C [-31 F])
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 cap, radiator cap, 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.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing serious injuries, such as burns.
NOTICE
When adding coolant
■
Coolant is neither plain water nor straight antifreeze. The correct mixture of water and
antifreeze must be used to provide proper lubrication, corrosion protection and cool-
ing. Be sure to read the antifreeze or coolant label.
If you spill coolant
■
Be sure to wash it off with water to prevent it from damage to parts or paint.
Radiator and condenser
Check the radiator and condenser and clear any foreign objects.
If either of the above parts is extremely dirty or you are not sure of their condi-
tion, have your vehicle checked by your Lexus dealer.
GX460_OM_OM60R28E_(GE)
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