2010 Lexus ES350 coolant reservoir

373
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U
Engine compartment
Power steering fluid reservoir(oP. 381)
Engine oil filler cap (oP. 3 76 )
Engine oil level dipstick (oP. 3 7 5 )
Brake fluid reservoir (oP. 380)
Battery ( oP. 383)Fuse box ( oP. 4 0 6 )
Electric cooling fans
Condenser ( oP. 380)
Radiator ( oP. 380)
Washer fluid tank (oP. 386)
Engine coolant reservoir (oP. 378)

374
4-3. Do-it-yourself maintenance
ES350_U
Engine compartment cover■ Removing the engine compartment cover
Front
Right-hand side
When installing the cover, make sure that the engine coolant reservoir
hose positioned as shown in the illustration. Left-hand side

378
4-3. Do-it-yourself maintenance
ES350_U
Engine coolantThe coolant level is satisfactory if it is between the F and L lines on the res-
ervoir when the engine is cold. Full
Low
If the level is on or below the L line,
add coolant up to the F line.
NOTICE
■To prevent serious engine damage
Check the oil level on regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is properly retightened.
■When adding the engine coolant
When installing the reservoir cap, make sure
that the engine coolant reservoir hose posi-
tioned as shown in the illustration.

5
When trouble arises
481
5-2. Steps to take in an emergency
ES350_U
■Overheating
If you observe the following, your vehicle may be overheating.
●The engine coolant temperature gauge enters the red zone or a loss of power is
experienced.
●Steam is coming from under the hood.
Add engine coolant if required.
Water can be used in an emer-
gency measure if engine coolant
is unavailable. (oP. 4 9 0 )
Install the reservoir cap.
Make sure that the engine cool-
ant reservoir hose is positioned
as shown in the illustration.
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
STEP6
STEP7