Front Heater Unit: Inspection
WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HEATER RADIATOR FINS FOR BLOCKAGE
If the fins are clogged, remove them with compressed air.
- CHECK FITTING FOR CRACKS OR SCRATCHES
If necessary repair or replace.