Two problems related to brake antilock control unit/module have been reported for the 1999 Mercury Mountaineer. The most recently reported issues are listed below.
Brakes failed seven times within 70,000 miles. An independent mechanic determined that the gem control module was the problem. When the gem control module malfunctioned, the brakes failed, and the 4-wheel drive didn't operate. Also, windshield wipers operated intermittently.
Abs sensor failed, however system continues to experience failures after replacement of the sensor. Mjs.
| Brake Electric Antilock problems | |
| Brake Disc Rotor problems | |
| Abs Brake Fail problems | |
| Brake Antilock Control Unit/module problems | |
| Brake Disc Caliper problems | |
| Brake Pedal And Linkage problems |