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	 2011 Mazda CX-9 Grand Touring 3.7L Brake Booster 
		
		The brake booster was replaced because brake pedal was hard. After brake booster was replaced there is a loud noise that sounds like a tuba and has a vibrating sound when the brake pedal is first depressed. The noise can be heard outside the vehicle. When the ... 
                        
                            FIX posted 9/4/2017
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | JM3TB3DA9B | 
| Engine | 3.7 L / 6 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Brake Booster | 
| Conditions | Noise From Brake Booster | 
Message Closed w/FIX
            
            
 Vehicle Data
                2011 Mazda CX-9 Grand Touring
| VIN | JM3TB3DA9B | 
| Engine | 3.7 L / 6 cyl / GAS | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Brake Booster | 
| Conditions | Noise From Brake Booster | 
                            
17 Replies Received
          17 Replies Received
          
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