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Mazda CX-7 AC problems

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  • wwestwwest Posts: 10,706
    "..battery cables melted...."

    MELTED...??

    Those are pretty damn healthy cables.

    The ONLY time I have seen that happen was with the ignition key stuck in the "start" position keeping the starter engaged with the engine running. The starter, accordingly, acted as an engine driven generator and attempted to charge the battery to an "infinite" voltage.

    Melted the insulation off of the battery cables and the ground wire burned open.

    I can think of NO other reason for melted battery cables, not even a "runaway" voltage regulator.
  • sdbobo619sdbobo619 Posts: 13
    You need to call the mazda service center (1-800) and tell them you are not paying 1400.00 they will split the bill with you at least. And everyone needs to report to NHTSA on their website. Maybe someone should start a class action
  • Drove from Detroit to Fort Wayne, Indiana (3 hour drive) to speak directly with service adviser and return rental car as I can't afford to keep this. I was informed that the battery cable is part of a wiring harness, and isn't as simple as a battery cable as I know it. It appears that the part has some sort of resistor part (like a fuse) that broke in two. I took pictures in case anyone wants to see this. The serpentine belt had threads holding it together and it would have broken within a short amount of time. Was told that my part has been "prioritized" and that it should arrive at the port on or around June 29th. Not sure how long it will take before it gets to the dealership.

    Good news is that the Mazda rep has agreed to pay for 75% of the cost of the repair (includes new O2 sensor, serpentine belt, AC compressor, and now a complete wiring harness/battery cable (dealership was originally going to repair this). I'm still not happy that I will have to pay up to $680, but this is better than the $2,000 originally quoted.

    Plan to file complaints with NHTSA later today as I see this as a potential "thermal event," also known as a fire. If the serpentine belt would have broke, I would have been stranded on the freeway with two other adults and a dog. Luckily, I had pulled into a rest area, so we were all safe.

    It's obvious that this is a common problem with the 2007 CX-7 as there are numerous complaints already on NHTSA's website.
  • runnernicrunnernic Posts: 15
    thanks so much... it's just ridiculous and they keep telling me o well there's nothing we can do about it!!! i'm so fustrated.. i practically live at the freakin dealership!
  • rhondebrhondeb Posts: 1
    I bought my 2007 Mazda CX7 in November of 2006. I did not use the A/C until summer of 2007 then again summer of 2008. My mileage is approx 44,000. I live in a rural area so I have long distance driving to go anywhere.
    This being my 3rd summer of A/C I was totally dumbfounded when the air started blowing warm in May 2009. Reading these posts I see I am not alone. I am ready to
    go after Mazda to fix this problem especially knowing the problem is there and having so many people dissatisfied. Even though I am over my warranty, I will fight this!

    I have to travel 120 miles just to get to my dealership. When I took it in to be looked at, they told me it was the compressor and it would cost $1500.00
    Then they tried to sell me an extended warranty to use to get it fixed. Is that a scam or what?
    Has anyone out there had some satisfaction from Mazda? I'm just now looking into what can be done. Thank you your input on this.
  • sdbobo619sdbobo619 Posts: 13
    call Mazda, someone needs to take this to an attorney, they will have a field day with this. Its so obvious Mazda is covering it up
  • ningjningj Posts: 1
    After reading so many stories about CX-7 AC compressor failure on this sites, I think Mazda needs to recall this model. Here is my experience.

    I drove Mazda CX-7 that I leased on 2008 September to Lake Tahoe for family camping activity on 06/12/09 from San Jose. After about 3-4 hours drive, we almost reach Lake Tahoe but air condition went off and we smelled something like burning plastic. I know something was wrong but luckily I arrived safely in camping sites.

    On Saturday (06/13/09) morning when I went to gas station to add fuel, the engine generated heavy smoking and I have to stop to call roadside assistance. My CX-7 was towed to Carlson Neveda, which is about 30 miles away. I had to use a rental car to continue my camping activity and drove back the rental car back to San Jose which was 250 miles away. One week later on 06/19/09, Carlson Mazda dealer called me that my CX-7 was fixed after replacing AC compressor. I had to drive up total 10 hours round trip to get my car and return rental car. It was bad experience.

    Since my car was less than 2 years old about 25k, I asked Mazda manager whether this CX-7 ac compressor problem is common or not, his answered was a simple 'no'. But I think CX-7 was a defect product and lack of quality control from Mazda.

    Although I did not need to pay for repair because under warranty, I will never trust Mazda again. I hope Mazda file bankruptcy soon like other GM cars because their products should not be in the market. In my opinion, this kind of problem caused engine smoking on its belt is highly dangerous and fatal error that could cause severe tragedy on the road. This problem should not occur on a 1 year new car.
  • huyeniehuyenie Posts: 2
    Does anyone have any suggestions?

    The mazda dealership wants to charge us almost 3k to fix our 2008 Mazda CX7. :mad: Apparently the service guy said that it was in fact the AC pump that failed and caused all the other problems. He said that the pump, clutch assembly, tensioner, belt, and some crank bolts need replaced. He also said the it would not be covered under the power train warranty. The gentlemen I spoke with there before, said that if the service dept. deemed that it was the AC pump that caused the problem, that it WOULD be covered. That’s why I had it towed 75 miles down there!
  • huyeniehuyenie Posts: 2
    Just went to the Defects and Recall website and reported the defected AC compressor in my 2008 Mazda CX7. I have a feeling more and more 2008 owners will soon have the same problems. It only took a minute to fill out, just have your vin# handy. PLEASE report this if you have a similar problem with your CX7. Here's the website again:http://www-odi.nhtsa.dot.gov
  • Well, just got home from my long drive (3 hours to be exact) to pick my 2007 Mazda. After a phone call from the Service Mgr, I was seeing more red than you can imagine. Basically, he threatened me and told me that if I didn't accept Mazda's offer of 75% off of my repair bill, I was going to have to pay the full $3300! He told me that Mazda was upset that I was making such demands of 100% payment of the bill, reimbursement for rental car, etc. and that they were going to rescind their offer of 75%. After I calmed down a bit, I could see a little clearer. I put on my "happy face" and had a friend drive me down to pick up the darn car. I figured that I could fight things once I paid the bill. On the advice of NHTSA, I will be contacting my State Attorney General and will put the car up for sale tomorrow! On my drive home, stopped for gas (was down to 1/4 tank) and upon restart, the vehicle sputtered and stalled. Same thing on second attempt. Third attempt, I gunned the engine a bit and was on my way. Called the dealership on my way home to give them a "heads up" that I was experiencing problems. What a headache.
  • steverstever YooperlandPosts: 40,426
    Anyone know who makes the AC compressors for the CX-7?

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  • wwestwwest Posts: 10,706
    It may not be the "fault" of the compressor, over-charging of the refrigerant, or contamination of same, at the factory, for instance.
  • steverstever YooperlandPosts: 40,426
    And would that explain all the failed compressors over in the the Honda CR-V AC Compressor Issues?

    I'm just wondering if they are Denso compressors and not, say, Panasonics.

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  • edgarioedgario Posts: 1
    Hello everybody, My name is Edgar and I am from Mexico. Two years ago I bought a Mazda CX7 here in Mexico and past week suddenly the AC didn't function and while I was trying to turn it on I saw smoke from the engine, by luck the smoke didn't come from engine but from A/A compressor. I went to the Dealer and they told me that the compressor got broken and a new one costs 13,000 pesos ($970 USD) (too expensive!!). Unfortunatelly my warranty is not longer valid and I have to pay for a new one. Some of you know if there is a recall in USA or where can I buy this compressor out of Mazda?
    Thank You.
  • I am having the SAME problem. I bought the car used in December of last year and I had a vehicle inspection and the AC compressor did not come up as being a problem. Now, in the middle of summer in South Florida (just after my warranty expires) my AC starts blowing warm. I took it to the dealership and they told me that AC compressor gave out. The rep also said that he has seen this serveral time with the CX7. I called two other dealers in the area and they have advised that they are seeing the exact same problem. I filed complaint at nhtsa.gov and I encourage anyone with this similar problem to do so. It is clear that a recall should be made :mad:
  • cx7lovercx7lover Posts: 50
    The A/C is supplied by some outside supplier, not Mazda.. some of us need to understand that.

    It's a problem however and the A/C locking up will need to be recalled... if we make enough complaints about how it/the compressor itself locks up the serpentine belt and can cause a safety issue we can force a recall.

    The part has been updated. It also should be noted that just because it is a widespread PROBLEM that it does NOT constitute a recall. It MUST be a Safety or emissions issue for it to be a recall.
  • wwestwwest Posts: 10,706
    "...It MUST be a Safety or emission issue..."

    Or a "marketing" (public awareness) NIGHTMARE..!!
  • You are ABSOLUTELY correct, I made a safety complaint with NHTSA as I have been urging others to as well, my complaint was severe due to the car shutting off when the compressor locked as I was traveling 45 mph. A NHTSA safety investigator contacted a couple of weeks ago. asking for documentation of repair bills. I noticed she had others in the :cc line so hopefully they responded to her.
  • I bought my 2007CX-7 late 2006. In may I had Sutherlin Mazda, located in Buford, Georgia perform a oil change and a 36 000 mile service to inspect for any problems. They Inspected the Vehicle and found nothing wrong.
    At 40120 the AC just quite no warning or anything dramatic.
    Checked unit and found that the AC compressor had locked up!
    Just like that!
    Sutherlin Mazda replaced the AC compressor for free and cleaned the entire car for no charge at all.

    I must be very fortunate to have such reliable, understanding and passionate service personnel.
    No I don't have any alternate reasons to write this.
    All I can say is that this car, for what I paid for it, was worth every dollar.
    And this is my 16th new car BUT first Mazda. I'll buy again!
  • tamtam2tamtam2 Posts: 1
    I have been driving a 2007 for two years now, I have always loved the car up until now. At 37,500 miles (yes, 1500 miles after the warranty ran out), my AC compressor locked up. The air started blowing warm then started seeing smoke from under the hood. I took my car to a mechanic who quoted me $2000.00 to fix it, but suggested I take it back to my dealership because any halfway decent company should fix the problem at no charge since I was only 1500 miles over. Well, Mazda is definitely not a halfway decent company b/c they basically told me, Oh Well since you aren't a "regular" customer of this dealership we aren't inclined to do anything for you. This dealership has done the only work besides oil changes that has ever been done to my car, but that apparantly doesn't count because it was "warranty" work. I called the 1-800 Mazda number and explained my situation, told him I know it is problem with the 2007 CX7's because there are different cases all over the internet. He put me on hold and called the Service Manager at said dealership. He then tells me he agrees with the Service Manager and there is nothing he can do for me. NEEDLESS TO SAY I WILL NEVER BUY ANOTHER MAZDA VEHICLE.!!. If this had happened way down the road I wouldn't dream of expecting them to do anything but 2 ears old and 37, 500 miles, they absolutely should have stepped up.
  • I am sorry for your auto problems, but this happened to me on Friday. I was stranded and had to find somebody who could tow it to the shop. I get home today and find out a friend of mine who bought the 2008 model after me had this same problem also. His was under warranty. I am not sure if mine is or not. I bought a 2008 CX7 in August of 2007
  • bcp1bcp1 Posts: 21
    Took my 07 CX-7 FWDGT in last week for 12,000 miles inspection. I had them double check the A/C system and nothing could be found wrong. It does cool very well and it has been very hot this summer.
    What disturbs me the most is the fact that my 36 month warrenty runs out on Oct 5, 2009 and I dont have 13,000 miles yet.
    My local dealer is very much aware of the problem, but didnot elaborate about how many failures they have had locally. He did mention one CX-7 owner has an 07 with over 90,000 miles and has not had one problem with the A/C or anything else.

    I am still having some problem with the transmission shifting into 6th gear. It appears to stick in 5th gear, but if you let up slightly on the gas pedal, it will go right into 6th gear. They were suppose to check that but I think they forgot, because there is no documentation of it being done for this trip.
  • I purchased a 2008 used Mazda CX-7 with 16 thousand miles on it in July of 2008. It is now September 11,2009 and I would like to spread the word to everyone that I can about the faulty compressors installed in the Mazda CX-7 vehicles. I was on my way to a Labor Day fish fry(3 hours away from where I live) and the air conditioner quit working. We then began to smell burnt rubber , smoke began to emerge from the hood of the vehicle, and the power steering became non existent. After cutting the vehicle off, it would not start back up. The closest Mazda dealership was Expo Mazda in Kingwood TX. They picked up the vehicle Tuesday 9-8-2009, informed me of the internal failure,informed me that my vehicle was no longer under warranty, informed me that they had all parts to fix my vehicle,and that it would be ready Wednesday evening(9-9-2009) In the meantime, I looked online to find over 50 cases of the exact same problem and felt that Mazda should recall this model and be responsible for half of the repair bill.Now it is Friday 9-11-2009 and no one has called me about the status of my vehicle, so I called them. They advised me that my vehicle was finished up 9-10-09 and test driven( they stated that they were just about to call me) They took 10% off leaving me a balance of roughly $961.00 plus $256.00 in rental car fees. I tried to explain that this is very unfair to consumers, and unfortunate for Mazda because I will never purchase another Mazda. I will also advise my friends and family of my experience in hopes that I can keep this situation from happening to anyone that I know. BEWARE OF THE MAZDA CX-7 !!!!!!
  • I can't believe my eyes. I didn't realize so many of you are having exactly same problem as me. I owe 2007 CX-7 and I bought this car in Dec., 2008. The car currently has 45K. My A/C compressor broke yesterday on the highway and broke the main belt which locked steering wheel while I was driving. I am a female drive and I panicked. If this is happening to so many of us, something must be seriously wrong. I mean, many of us are experiencing this in such an early stage of car's life. My car is in a shop right now and tomorrow, the repair will start. I am planning to file a report and call Mazda corporate in Irvine, CA and the dealer I purchased the car from. They need to pay my bill!!!!!
  • You need to file a report with the National Highway Transportation Safety Administration (NHTSA) as well. This will help us Mazda owners everywhere as if they received enough complaints we will be reimbursed for our expense. Mazda Irvine likely will not help you. NHTSA is already investigating this matter so the more people who file the quicker they will act.
  • des5des5 Posts: 88
    Can anyone tell us what indentifying marks to look for on the compressor to tell if a vehicle has the new or old design unit?
  • Good suggestion, as the AC problem has serious safety implications.

    The 2010 CX7 has recently become a vehicle replacement option for me, and after reading this thread, and another on a CX7 forum (Texas lady was stranded at 2 am due to same problem; timing belt also broke), I'm forced to re-assess the car.
  • des5des5 Posts: 88
    A larger redesigned compressor went into production sometime in 2008, so '09 and '10 models should not be susceptible to this failure.
  • Good to know, thanks.
  • So glad I ponied up a few extra $ to buy the Extended Warranty for 10 Years/120K miles. Drop in the bucket compared to what you guys are seeing.

    Go for Mazdas (which you can get before your 36K/3 Year expires) or from AAA at very reasonable rates. I hate hidden surprises.... :lemon:
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