337
4-3. Do-it-yourself maintenance
4
Ma
intenance and care
Engine coolant
The coolant level is satisfactory if it is between the “F” and “L” lines on the
reservoir when the engine is cold.
Reservoir cap
Full
Low
If the level is on or below the “L”
line, add coolant up to the “F” line.
■
If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock and water
pump.
If you cannot find a leak, have your Lexus dealer pressure test the cap and check for
leaks in the cooling system.
■
Coolant selection
Only use “Toyota Super Long Life Coolant” or 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. (Enabled: -31
F [-35
C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55% coolant and 45%
deionized water. (Enabled: -44
F [-42
C])
For more details about engine coolant, contact your Lexus dealer.
Summary of Contents for GX 470 2009
Page 17: ...17 A Warning reflector holder P 286 Tools P 402 Back door handle ...
Page 110: ...110 1 7 Safetyinformation ...
Page 128: ...128 2 1 Driving procedures Horn To sound the horn press on or close to the mark ...
Page 272: ...272 3 6 Other interior features Vanity mirror The light turns on when the cover is opened ...
Page 312: ...312 3 6 Other interior features ...
Page 380: ...380 4 3 Do it yourself maintenance ...
Page 456: ...456 ...