Toyota Highlander Service Manual: On-vehicle cleaning
1. INSPECT FINS BLOCKAGE
(a) If the fins are clogged, wash them with water or a steam cleaner. Dry with compressed air.
NOTICE: If the distance between the steam cleaner and the core is too close, the fins may become damaged.
Keep the following injection distance.
Standard:
- If the fins are bent, straighten them with a screwdriver or pliers.
- Never apply water directly onto the electronic components
Components
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More about Toyota Highlander:
If your vehicle overheats
The following may indicate that your vehicle is overheating.
The needle of the engine coolant temperature gauge
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 proced ...
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