general problems of the 1999 Jeep Wrangler

Jeep frame rotted above rear axle.

I have owned vehicle 6 years and have 118000 miles and found frame is rotting away make an unsafe vehicle.

I'm not sure what the problem with the car is, but at around 55 mph, the vehicle begins to lose control and then gains it again as it speeds up. Possibly some sort of resonance found at that speed, but it has begun to be a severe problem. I have been driving down the road and if I hit that speed on the wrong section, the car beings to practically bounce up and down. This doesn't seem safe or right to me.

At highway speed vehicle wobbles violently, causing driver to lose control. Dealer has inspected and repaired four tires; however, problem still exists. Please provide further information.

From time of purchase , my wife has been complaining that her vehicle is wobbling. We have taken the Jeep to the dealer several times to fix, but they seem at a loss as to whats causing the problem. Our 6th trip to the dealer will be this Monday, June 28,1999. I spoke with dennis tagge, service manager at palm auto mall, he stated that the tires may be slipping on the rims as the vehicle accelerates. He has decided that sanding the rims and\or adding some form of nonslip compound might solve the problem. I 'm not as confident as he that this will resolve it. Please let me know if this type of problem has been reported before. Each time we took the Jeep into the dealer, they rebalanced the wheels in hopes this problem would dissappear. We are on our second and a half set of tires and yet the problem persists. I have suggested to them the problem may be in the wheels themselves and they should be replaced. They seem reluctant to do this. I don't want to go through alot more of this, please help if you can. Thank you. ( dot number: tire size: 30x9. 5r15 ).