If Your Vehicle Overheats - Lexus ES350 Service Manual

If your vehicle overheats

The following may indicate that your vehicle is overheating.
The needle of the engine coolant temperature gauge (P. 74) enters the
●
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
Steam comes out from under the hood.
●
Correction procedures
Stop the vehicle in a safe place and turn off the air conditioning system, and
1
then stop the engine.
If you see steam:
2
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
3
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
1
Cooling fans
2
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The coolant level is satisfactory if it is
4
between the "FULL" and "LOW" line
on the reservoir.
Reservoir
1
"FULL"
2
"LOW"
3
Radiator cap
4
ES350_OM_OM33B64U_(U)
8-2. Steps to take in an emergency
I n f o r ma t i o n P r o v i d e d b y :
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