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Dan
Dan, ASE Certified Technician
Category: Mazda
Satisfied Customers: 1696
Experience:  Auto Technician
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My 2005 Mazda 6 is blowing warm air from the right side of

Customer Question

My 2005 Mazda 6 is blowing warm air from the right side of my car. I replaced the cabin filter and didn't seem to do anything. Any helpful advice would be much appreciated.
Submitted: 1 year ago.
Category: Mazda
Expert:  Dan replied 1 year ago.

Hello, My name is***** am an ASE master tech.

Do you have the dual climate control option?

Customer: replied 1 year ago.
Where exactly would that be located at?
Expert:  Dan replied 1 year ago.

On the climate control panel, does it have separate temp controls for driver and passenger?

Customer: replied 1 year ago.
No sir I do not.
Expert:  Dan replied 1 year ago.

Looks like there is a TSB on this problem.

WARM AIR FROM RIGHT SIDE VENT

Applicable Models

ModelStarting S/NEnding S/NModel Spec

Mazda6 2003-2005

Related Category/Subcategory/Symptoms

HVAC / Basic System / Insufficient Heating/Cooling
HVAC / Basic System / Improper Temperature Control
Body and Accessories / Climate Control System / Insufficient Heating/Cooling
Body and Accessories / Climate Control System / Improper Temperature Control

MTOL - 4476 Dealer Repair Information

Symptom and Conditions

When the A/C is on and the vehicle is in idle or being driven, warm air
may be felt coming from the right side dash vent. In some cases, warm
air may also be felt coming from one of the center vents.

Repair Procedure

1. Position the vehicle in a well ventilated area and set the parking
brake.
2. Connect an A/C charging equipment to the vehicle and keep hood open.
3. Start the vehicle and close all doors and windows.
4. Set the air flow to recirculation mode.
5. Set the temperature control to the coldest position.
6. Set the fan speed to the highest position.
7. Set the air flow direction to "face mode".
8. Turn the A/C on and allow it to run for at least 3 minutes.
9. Measure and record the air flow temperature from the right side vent.
10. Add about 0.12 pounds of Freon to the system.
11. Measure and record the air flow temperature from the right side
vent again.

- If the air flow temperature is now cold, turn the engine off and
proceed to step #12.

Note: A temperature difference of 5 degrees is considered normal.

- If the air flow temperature is still warm, proceed to step #15.

12. Check the vehicle's production date on the drivers side door jam.

- If the production date is 05/04 and greater, use a "black light"
and check all A/C fitting for signs of Freon leakage.
After repairing the leak(s), proceed to step #14.

Note: The A/C system already has dye from the factory. The color of
the dye is yellow.


If the production date is before 05/04, proceed to #13.

13. Evacuate the system, recharge, and add dye (leak detector). At this
time the vehicle is repaired. Note: The purpose of adding the dye
is to identify any future freon leaks.

Warning:When evacuating and recharging the A/C system, make sure
to ware appropriate hand and eye protection and follow all
safety instructions per the equipment being used.

14. Evacuate, recharge and add dye to the system. At this time the
vhicle is repaired.

Warning:When evacuating and recharging the A/C system, make sure
to ware appropriate hand and eye protection and follow all
safety instructions per the equipment being used.


15. To ease removal of the air mix actuator, set the temperature control
to the hottest position and turn the engine off.

Caution: If the steps outlined are not followed, the glove
box hinges will break.


16. Open glove box.
17. Remove items inside glove box.
18. Remove damper string on the right side of glove box.
19. Depress both side of the glove box inward.
20. Lower the glove box to a level position as shown and remove.

Caution: Do not fully lower the glove. The glove box will
not come out if held too high or too low.


- For automatic control A/C system, proceed to step #21.
- For manual control A/C system, proceed to step #25.

21. Remove the air mix actuator by removing two (2) T-20 Torx screws.
22. Turn the engine and A/C on.
23. Lift and hold the air box door mix plastic lever to the most upward
position while feeling the air flow temperature from the right side
vent.

Note: You may need to maintain this position for a few minutes to
allow the A/C system to cool down.


- If the air flow temperature is now cold, contact the
Mazda Technical Assistance Hotline at 1-***-***-**** for
authorization of the heater unit and then proceed to step #24.
- If the air flow temperature is still warm, contact the Mazda
Tehnical Assistance Hotline at 1-***-***-**** for further

24. Remove and replace the heater unit per the workshop manual.
25. Evacuate the system, recharge, and add dye (leak detector). At this
time the vehicle is repaired.

Note: The purpose of adding the dye is to identify any future freon
leaks.


26. Detach the heater unit mix door cable from the metal clip by gently
pulling the cable outward.
27. Move the heater unit door mix plastic lever to the most rearward
position while feeling the air flow temperature from the right side
vent.

- If the air flow temperature is now cold, perform steps
#24 - 25.

Expert:  Dan replied 1 year ago.

Hopefully this helps you out, let me know if you have any questions.

Please rate the answer and it would be greatly appreciated, thanks.

Customer: replied 1 year ago.
My check engine came on recently and when I ran in through the computer it have an HVAC leak, would that also have something to do with it?
Expert:  Dan replied 1 year ago.

Yes if you have a leak the system will have poor performance, and this can cause this issue.

Expert:  Dan replied 1 year ago.

Hello again Dan here,

I am contacting you because the post has not been closed or rated. We have 7 days to get a post rated before it times out. When a post times out, that means its no longer on my active list (if you reply I never know it.) You have already paid the fees to get this question answered, but it appears you’re not pleased, or need more help.

Let me help some more. Is there anything else you feel I could offer so you would be pleased with my help.

Thanks Dan