How to Repair the Heater Blows Cold Air when Warm Air is Expected.

How to repair the heater blows cold when warm air is expected.

Model: Hyundai Azera (TG)

Year Model: 2007

Fuel : Gasoline

Displacement: 2700cc

Subject: Heater aspirator hose(heating problem).

1) Condition

1. The HVAC(Heating Ventilation and Air-conditioning) unit blows cold air when warm/hot air is expected.

2) Cause

1. The linked aspirator hose is placed behind the the control panel.
2. The kink in the aspirator hose prevents the in car sensor to detect the cabin air temperature accurately.

3) Diagnosis

1. Remove the center facia  panel and audio.
2. Inspect the aspirator hose condition.
   = If the aspirator is kinked or is not clamped by the weld clip, route the hose properly and clamp the hose with the weld clip then install all removed components
   = If the aspirator hose is kinked permanently replace the hose properly.
3. Removed the heater control panel.
4. Install the new aspirator hose and then clamp the aspirator hose using the weld clip.
5. Reinstall all removed components and check the heater for proper operation

4) Repair Guides

1. Inspect the aspirator hose condition and replace the hose properly.

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