Car was making a clicking sounds when driving. A transmission control module was replaced based on the diagnostic test. The transmission control module needed to be replaced. The manufacturer was made aware of the failure. The failure mileage was 70,600.
Limped it to dealership under its own power. Replaced under warranty 50840 mi Complete failure of transmission. The vehicle was taken to the dealer. The contact stated that while driving 65 mph, the vehicle stalled without warning. Not sure about the name for the repair.
I had to allow the leak to build in order for the technician to find it. Refused to go into Reverse a few times. Transmission was removed and rebuilt. The seal was replaced, drove car for a week but still leaked. When at the repair shop they could not get the vehicle to repeat this problem. The vehicle was taken to a dealer to be repaired, but the dealer could not duplicate the failure. Transmission so damaged, it could not be rebuilt.
The repairs were made to the vehicle. Install new transmission seal s. That was a hard pill to swallow seeing the low mileage. No reverse and would not shift out of low gear. The manufacturer was made aware of the issue.
They replaced it even though it was not supposed to be covered under the power train warranty because of the small number of miles on the car. The technician diagnosed that the transmission control module needed to be replaced. The vehicle was hesitating to go into drive - and then began only going into first gear without changing to second, etc. They tried to replace seal again, when it fell into the transfer case. There will be no more flashes for the '08 so will have to live with it, or sell it.
Dealer found the transmission speed sensor leaking aroung the O-ring. After a while, the car would not shift into reverse. After replacement I notice transmission fluid on garage floor. The failure mileage was approximately 90,000. If I manually shifted it was smooth. In addition, the vehicle was stuck at 3,500 rpms and the vehicle smelled of smoke and burnt metal. It seemed like it was a fairly major transmission rebuild.
They may or may not have caused the leak when replacing the shaft but there was no leaking before hand. It is the result of a known issue with the 2008 Enclave--a defective wave plate. Problem: Leaky seal between torque converter and transmission 68000 mi Failed 3-5-R wave plate in the transmission had to be replaced. Dealer said all tranny bolts sheered off. The ordered a new speed sensor with expedited shipping and replaced it. R Wave plate was cracked and spread metal all through the transmission.
Shop has determined that entire trans must be replaced. . It looks like they repaired it under the special policy 14404A it says on the work order they removed and replaced the reverse clutch plate. I had three stop signs to get home and each time, it was very slow to respond. Wave plate and associated parts replaced. Transmission replaced December 2013 under extended warranty.