2007 Mercury Mountaineer: stuck in gear or won't shift

Filed Jun 13, 2019 · Electrical · 140,859 miles · UT

I was driving home on a busy city street when I stop at a stop light to turn right. When I went to accelerate my mercury mountaineer when in to limp mode. As I inspected the SUV for problems I noticed the my engine/transmission wire harness was brittle and exposing bare wire and that the wires were touching each others cause them to short off the vehicle computer system and frying electrical components. It also caused the transmission to malfunction and shift wrong which in turn causing the torque converter to fail and destroy the transmission.

Filed Jan 28, 2018 · Transmission · 121,000 miles · VA

Transmission would not shift out of low gear

Filed Nov 4, 2017 · Acceleration, Body · 130,000 miles · MO · crash

My 2007 mercury mountaineer never had any problems until recently, thought it was the transmission because of the way it drove. Took it to the mechanic and got transmission fluid put in but the problems remained the same and was told the transmission was fine. My thermostat housing unit was leaking (this is very common with these cars and very dangerous, needs immediate attention!) and had caused very expensive wiring issues. Almost acts exactly like the transmission is going out - RPM's are way too high, the vehicle would not accelerate in the middle of city traffic, the car jumped at a stoplight and caused me to hit the car in front of me, and it doesn't shift properly. Problems occurred out of nowhere and are too dangerous to be ignored but very expensive to be fixed. Its very common and should be recalled before someone gets seriously injured!!!!

Filed Jul 7, 2014 · Transmission · 97,400 miles · MI

Vehicle will not shift out of park. Shift is locked into park and will not shift to any gear and depressing lever button and brake will not release out of park. I purchased the vehicle from huntington ford in rochester hill and bought the extended warranty and was told by fords service department this is not covered and would cost $500.00 just for the part. After researching this problem I have noticed other complaints about this issue that the car will not move out of park. This seems like it may be a defect because I have never experienced this problem out of many vehicles I have owned for years.

Filed Jun 28, 2013 · Transmission · 43,236 miles · NY

Tl* the contact owns a 2007 mercury mountaineer. The contact stated that the vehicle failed to shift out of park. The vehicle was towed to a dealer where it was determined that the gear shifter needed to be replaced. The vehicle was not repaired. The contact also stated that the shift cable failed during one of the occurrences. The manufacturer was contacted about the failure. The failure mileage was 43,236. Updated 09/18/13*lj the consumer stated when she started the vehicle, the gear shift moved freely and would not engage any gear. The vehicle was towed by a flatbed. It was determined the gear shift lever circuit board needed to be replaced. On july 3, 2012, the gear shift became stuck in park. Again, the vehicle had to be towed. The technician found the shift cable off and the shifter was not working properly. The shifter was replaced. One month later, the gear shift became stuck in park again, and was towed for a third time. However, upon arrival it was not stuck in park anymore. She was informed that the slight incline of the driveway where it was parked may have caused the weight of the vehicle to sit on the park ball causing the gear to hold the shifter. The repair shop recommended the consumer activate the emergency brake, at all times. On june 10, 2013. The vehicle became stuck in park again. The consumer called the repair shop, and someone came out to her house. Once the technician rocked the vehicle back and fourth, it came out of park. The consumer went to a transmission shop, where she was informed the angle of the lever had been modified 24 times, the rod and pawl had been modified 12 times. Update 09/26/13