2000 Lexus RX300 heater

Asked by Nov 06, 2011 at 05:56 PM about the 2000 Lexus RX 300

Question type: Maintenance & Repair

Heater blows cold. Eng Coolant temp is normal. Some suggeted the air mixer is not responding to the comands

2 Answers

275

Check the temp at your heater hoses. if one is hot and one is cold it means your heater core is plugged

3 of 3 people found this helpful.
5

well, the mixer is a possible cause, maybe you need to ensure that the a/c switch is turned off ( the compressor is not working during heating the cabin room )...i wish this could help.

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