Look under hood. You will find a relay box closest to the driver's side fender. Pop the lid off and you will see a bunch of plastic squares and rectangles. These are the relays. You are looking for two large square ones. Replace them with Part Number (PN) G115-67-730; 2 are required. They are relatively inexpensive and easy to replace. Use a pair of pliers to pull out the old ones. Good luck.
Hello,
I have a similar problem with my 2007 Mazda CX-9 Sport. So, my problem started with the A/C being on for about 4 hours straight. There were also some water spills on the front passenger side from the A/C. Every time I make a turn, there is a weird somewhat-screeching sound, most likely from the fan hitting the water, as some people on various forums pointed it out. I was told this is due to the drainage pipe being clogged. Ever since then, the front blower motor giving me a problem.
The rear blower works perfectly fine, for cold and hot air. However, the front blower makes a dying noise when the cold air is on, and sometimes just doesn't do anything at all. It does tend to work better when the heat is turned on. I have changed both of the relays, but the problem remains.
Any suggestions would be greatly appreciated. Thanks everyone!
Mazda CX9
2007 90k miles
AC BLower in the front stopped working. Problem started when turning off the car the blower in the front would continue. Safe to say this might be an indicator for future issues. Going to Auto Zone today thanks all for the comments above. I will keep you posted as to how it went. Going to try to install myself.
I was quoted $500 and mechanics immediately alluded to the problem being the blower motor itself. Glad I checked here first.
hi amendew9,
I believe it's a simple fix, your AC blower relay failed, just need to swap it out with a new one, very simple
hope this helps you out : here you go: http://blog.yagelski.com/2011/10/mazda-cx-9-blower-motor-stays-on-after.html
updated and latest Mazda part number L1Y167730 you need (qty. 2 one for front and one for rear) very easy fix
on ebay about $7 each : http://www.ebay.com/itm/2007-2012-Mazda-CX-9-Blower-Motor-Relay-Genuine-OEM-NEW-Part-L1Y1-67-730-/321336139995?hash=item4ad12060db&vxp=mtr
Sorry I can feel cold air but it's not blowing.My air con blower would work when it wanted too so I replaced it with a new one that I purchased from Amazon now it's not blowing I can't feel cold air when I put my hand up to the vents. Plz help me