| Issue ID | 1146491 |
| Internal NHTSA # | 10670819 |
| Manufacurer | Hyundai Motor America |
| Brand | HYUNDAI |
| Model | GENESIS |
| Model Year | 2010 |
| File date | 03/01/15 |
| Component | SERVICE BRAKES |
| Product type code | VEHICLE |
| Description of the problem | When i pressed on the brake pedal, it felt mushy. Completely different from the firm braking the vehicle brakes had exhibited just a few minutes previously. I could feel the brakes trying to engage at the proper brake pedal placement but then i had to continue pressing the pedal because the brakes were not engaging. Only after i continued to apply pressure to the brake pedal toward the end of the pedals range of motion did i finally feel the brakes begin to slow the car. After this first occurrence, since i was over 300 miles from home, i had to anticipate any braking i needed to do. I found that each time i needed to brake, if i pumped the brakes after the first initial pressing of the brake pedal, i could get the brake pedal to build up pressure so i would have close to the same braking 'feel' that i had before this problem began. I returned home on saturday. I did not drive the car on sunday. On monday, i took the genesis to the hyundai dealership. After almost two hours, they said they had identified the problem as the master cylinder. I had the master cylinder replaced on tuesday. There was almost no change in the mushiness of the brake pedal. After searching the internet for possible causes i discovered hyundai has had considerable complaints about fading and mushy brakes on their genesis line of vehicles. It seems it all stems from the hydraulic electronic control unit module. So, with hyundai knowing this, why did the service department of the abilene, tx dealership recommend a master cylinder replacement when, in my estimation, the first culprit should have been the abs module? I discovered this persistent issue with the genesis vehicle on wednesday, i have an appointment with the abilene tx hyundai dealership on thursday. I'll see how they respond. |
| Vehicle Mileage at Failure | 67100 |
| Number of Occurences | 1 |
| Source of the issue | NHTSA WEB SITE |
| City and State | ABILENE, TX |
| VIN pattern | KMHGC4DE5AUXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | N |
| Was part original equipment? | |
| No. of injured persons | 0 |
| No. of fatalities | 0 |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 70 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |