What should I check if my heater stops blowing hot air?

10

Asked by Nov 14, 2014 at 09:39 AM about the 1996 Toyota Corolla Base

Question type: Maintenance & Repair

Toyota Corolla 1996 - the A/C works but the heater stopped blowing hot air. The air is
actually hotter when using the vented air from outside.

4 Answers

83,485

Is the coolant full? Air blend door inoperative, plugged heater core.

2 out of 2 people think this is helpful.
10

I will double check coolant. Where is the air blend door? How to check the heater core?

1 out of 1 people think this is helpful.
83,485

Air blend door is inside the heater box. To check the heater core you can test the temp of the coolant going in the core to the temp coming out of it with the heater fan off, the temps should drop at least 10 degrees, but I would recommend it be checked professionally as you are dealing with hot coolant and components.

1 out of 1 people think this is helpful.
10

@tennisshoes - Great stuff, thanks a bunch. You Are the Bestest!!

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