428
7-3. Do-it-yourself maintenance
Coolant
Engine coolant reservoir
■
The coolant level is satisfactory if it is between the "FULL" and "LOW" lines on
the reservoir when the engine is cold.
IS350/IS300
Reservoir cap
1
"FULL" line
2
"LOW" line
3
If the level is on or below the "LOW" line, add coolant up to the "FULL" line.
(P. 516)
Intercooler coolant reservoir (IS200t only)
■
The coolant level is satisfactory if it is between the "F" and "L" lines on the res-
ervoir when the engine is cold.
Reservoir cap
1
"F" line
2
"L" line
3
If the level is on or below the "L" line,
add coolant up to the "F" line.
(P. 516)
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% deionized water.
(Minimum temperature: -31F [-35C])
IS350/300/200t_U (OM53D18U)
IS200t