Brake Master Cylinder problems of the 2012 Mazda CX9

The contact owns a 2012 Mazda cx-9. The contact stated while driving at various speeds, the vehicle stalled. Additionally, the brakes failed to engage when the brake pedal was depressed. There was no warning light illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the brake master cylinder and brake booster needed to be replaced. The contact wanted a second opinion and the vehicle was taken to el dorado Chevrolet (2300 n central expy, mckinney, TX 75070) where it was also diagnosed with the master cylinder and brake booster needing to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 110,000.

Tl-the contact owns a 2012 Mazda cx-9. The contact stated that while driving, making a turn at 5 mph the brakes were squishy and the vehicle failed to stop. There were no warning lights illuminated. The vehicle was taken to bob moore Mazda 13045 n kelley Ave, oklahoma city, ok 73131 (405) 775-7000 where diagnosed the master cylinder needed to be replaced. The vehicle was not repaired. The manufacturer was contacted who stated the extended warranty had expired. . The failure mileage was 75,000. Ap.

Applying brakes for 1-2 seconds resulted in no immediate stopping, only resistance from the pedal. After 1-2 seconds, the brakes were aggressivly applied. This resulted in "running a stop sign" and stopping the in middle of an intersection. This occurred on a city street multiple times before getting the car to a repair shop. On highways, braking had to begin well in advance to avoid possible crashes. We had to have the master cylinder and brake booster replaced. The vehicle has 55k mile on it.

I put my vehicle in the Mazda shop last year 2017 for a recall and I mentioned that there was something I felt in my brakes they told me that it may be dust and by driving it will go away,Mazda knew about this problem they should have taken care of it then. My vehicle was taken to ourisman Mazda dealership about 2 weeks ago and I was told that it was my brake booster & master cylinder labor is $709. 47 and the parts are $537. 98 and the brake flush is $202. 61 total $1450. 06 and my warranty expired in October 2018. I then called Mazda and I spoke to a ms. Jennifer a customer experience representative and she said she would check into it. I then called back to ourisman Mazda and spoke to mr. Emerson and he told me that he spoke to ms jennifer at Mazda and that my out the door price would be $553. 16 and they have already ordered the part ,they stated Mazda called off the recall and did a 7 year warranty or 90,000 miles my car is neither of them for a 2012, then they wanted to say its because when my car was purchased? then to tell me that when I put my car in last year for a recall if it was not making a problem they were not going to look for one? on these roads,my children,my grand children and the lives of all people I,and I'm sure a lot of people feel . I have been sick and without a loaner car and this is unexceptable I would greatly appreciate your help with this problem. My contact person with ourisman Mazda is mr. Emerson 240-863-2429 and my contact info for Mazda customer rep is jennifer 800-222-5500 prompt 2 then ext 1133 (1-1930090754) the recall needs to be put back on, I was never notified that there was a extended warranty. This can result in serious injury or death,how dare them put a price on this.

Power booster master cylinder failure. First, spongy pedal attributed to master cylinder with no fluid present. After refilling hydraulic fluid, pedal was better for a day or two then loud noise coming from cabin in vehicle when pedal is depressed. (it goes to the floor and becomes very loud. ) sounds like an identical problem to earlier model year.

The contact owns a 2012 Mazda cx-9. While driving various speeds, the brake pedal was depressed and failed to engage correctly. The pedal felt stiff and there were no warning indicators illuminated in the vehicle. The vehicle was taken to an independent mechanic who diagnosed that the brake booster was faulty and there was a leak in the master cylinder that needed replacement. The vehicle was repaired. The manufacturer was notified and opened a case. The VIN was invalid. The failure mileage was approximately 100,000.

At just over 90,000 miles I had transfer case problem that everyone is posting. As described by mechanic it is a manufacturing defect. Transfer case is placed just above catalytic converter (which throws off alot of heat) as a result oil in transfer case cooks over time and gears are destroyed. Mazda did not provide a way to replace and or check this fluid without taking down the entire transmission. Mechanic said I will have this problem again at roughly another 80-100,000 miles. Year and a half later I noticed a very soft brake. I replaced brake pads and drums, and brake fluid. I have a very hard brake which then sporatically goes soft. Again I looked up this issue and found again Mazda is aware of this issue and extented warranty to 90,000 miles. Again I'm just over the warranty allowance and now my brake power booster and possibly master cylinder need to be replaced. Both are known issues by Mazda. Unfortunately I was the lucky one who was the beneficiary of both problems just over the 90,000 mile warranty. I reached out to Mazda to request some assistance with at least the cost of the parts on the brake power booster. I was given a quick no by Mazda. Very frustrating since these are both known problems and they will not at least work with me on the parts cost.

I had to push harder and harder on my Mazda Cx9 brake pedal for my car to slowdown and to come to a complete stop . This happened when backing out of my garage and the brake is getting worse everyday on my way to work . On the day when I had to take my car to the mechanics , I had practically put both feet on the brake pedal for the car to stop . It was a terrifying experience that the car would not stop and continued to roll forward and more so at every traffic light . I took my car to two different mechanics within one hour since I didn't believe the first one and wanted a second opinion . They both told me that the brake booster and the master cylinder were defective and needed to replace immediately because I just don't have brake on my car ! they said this should not happen in a car with only 59,000 miles . The first mechanic even had me signed a waiver since I didn't want them to fix the brake and wanted a second opinion . I did not believe that it would cost me $1062,07 to fix the brake . Unfortunately the second mechanic gave me the same diagnostic with the cost of $843 and two days to order the parts since it was on Saturday and recommended me to leave the car in their garage . And to make the thing worse my Mazda dealer service is not open on the weekend . I googled and found out that the defective brake has had happened to several other Mazda cx 9 owners and no recalls had ever been issued . I do have photos of the defective brake boost and master cylinder but don't know how to upload .

We experienced what similar Mazda Cx9 owners have reported: our brakes stiffened, provided resistance coupled with a hissing noise, and failed to stop the vehicle in a timely manner, despite having a full brake fluid reservoir and sufficient brake pads. Our mechanic reports failure of the master cylinder and the blower. We experienced these events suddenly and while the car was in motion.

Vehicle lost braking power. Vehicle was being driven (infant inside) from chicago to evansville, in when brakes starting to respond in a delayed manner from when brake pedal was actually pressed. By next morning the vehicle did not brake. Mazda dealership checked the vehicle and mentioned that somehow â¨master cylinder and booster failedâ¨with no apparent reason as they were able to tell no abusive or incorrect use was applied to the vehicle. Mazda will replace parts that failed to work but it placed my family in a very dangerous situation.

My brakes have started making a hissing sound and brakes are hard when pressed. I experienced a similar issue with a 2008 Mazda cx-9 in which the master cylinder and brake booster had to be replaced. I now own a 2012 Mazda cx-9 and am experiencing the same problem. I took it to the dealer may 14th, 2014 and they said it was fine. It now has gotten worse as of June 22, 2014, to the point the brake is very hard when depressed and takes several car lengths to come to a complete stop. Mazda needs to address and fix this issue with this model if they want to keep their customers. They did extend the brake booster warranty for this problem specifically but they need to correct and improve the brake system in their newer vehicles to maintain the safety for their drivers. I am already considering a different make and model for my next vehicle. I have always been happy with my Mazda but no longer feel safe driving it and feel dissatisfied having experienced the same problem in this model that are 5 model years apart. You would think they would do better to improve the brake system, a major safety feature for a family vehicle.

The contact owns 2012 Mazda Cx9. The contact stated the brakes would hiss when being depressed. The contact also stated that there was an abnormal increase in braking distance and time. The vehicle was taken to the dealer for diagnosis, who stated that the brake booster and possibly the master cylinder would need to be replaced. The vehicle was repaired. The manufacturer was not alerted of the failure. The failure mileage was 35,000.

Brakes not working properly, reduced brake effectiveness, hard pedal and not stopping properly, and a definite constant hissing when applying the brake pedal. Possible master cylinder issue. Mazda Cx9, 2012. Very similar to complaints and ongoing investigation, except for this is a 2012.