Toyota Highlander Service Manual: On-vehicle cleaning
1. INSPECT FINS BLOCKAGE
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:
On-vehicle inspection
1. INSPECT REFRIGERANT VOLUME
(a) Check the sight glass on the cooler refrigerant liquid pipe
A.
Test conditions:
Engine is running at 1,500 rpm
Blower speed control switch is at "HI"
A/C switch is ON
Temperature control dial is at "MAX. COOL"
Doors are fully open
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