I am hoping to get some advise on my transmission problems..
I own an 06 Wrangler Unlimited LJ. It has about 97k miles on it and is an automatic. I picked it up from a Jeep dealer back in April '13. About a week ago, I started hearing a faint whining coming from her. At first it was just when it was just starting up, and once it came to temp it would stop. The Jeep didn't seem to be shifting funny or doing anything like that, so I didn't think much of it. The next few days the whining came more persistent but the Jeep still ran fine.
I set out today to head over the mountains for a long weekend and while driving up the pass she wasn't shifting. I would get her up to 4k rpms trying to get to 50mph.
I turned around and headed to the nearest Jeep dealer. I couldn't get it past 45mph the whole way there. When we got to the dealer, they told me it sounded like it was a speed sensor but they would need to run a diagnosis on it. After waiting a few hours, they called and said that the torque converter was fried and the cylinoide was shot. The told us the transmission fluid was burnt, and they had to replace some. They recommended that we pay to have the transmission replaced. I didn't have the money to do it right then and there so I opted to bring her home to get the finances in place. On my way out, I started chatting to on of the salesmen from the lot, and he strongly advised us to come on the forums and look for other causes of our problems. He definitely made it sound like he was trying to tell us that his service department were a crooked, without saying bad things about his company.
I finished my conversation and took off in my Jeep.... And now it was running just fine. No whining noise, no shifting problems, ran just as good as the day I drover her off the lot. I drove about 15 miles home, and made one pit stop. when I started her back up, I heard the whining noise again, but only for about a minute then it was off again.
Anyone have any advice on what this could be, or and suggestions, before I spend $4000 to replace the transmission?