99 Buick how to know if I need a new transmission?

99 Buick jerking and shaking hard to accelerate car constantly shakes/jerks and low speeds and stopped. Then 30 min later it will be fine. It's been happening everyday. How do I know if it's the transmission? When I first bought the car used I didn't notice until 3 days later the car starting shifting weired. Like pulsing.99 Buick how to know if I need a new transmission?It maybe be your transmission, though, it sounds to me, like a sensor or a relay may be causing your trouble. Cars today, have so many relays and sensors, to tell parts of the car what to do, when to do it, and how to do it. from what you describe, you would be best off, taking the car, to a good transmission repair shop, and, have them check the transmission over, inside and out. In the event, that the transmission itself would be at fault, they can correct the problem, before it becomes worse. In the event, that you may need a different transmission, they will tell you this, and, you can go from there.99 Buick how to know if I need a new transmission?Problem with the torque converter clutch. I used to have a similar problem with my Grand Am. With my car the solution was simple. A lighter touch on the accelerator. The more I baby my old Grand Am, the better the torque converter clutch works. But if I start getting too heavy on the throttle, the torque converter clutch acts up. Not such a bad idea to baby an old car anyway.



There is a cheap fix for this. On the front of the transmission there is a wiring harness. On this wiring harness there is a wire that activates the torque converter clutch. You can cut this wire to disable the torque converter clutch. Unfortunately, I can not tell you which wire it is. But you should be able to find out with some research. With the torque converter clutch disabled your highway gas mileage will decrease a little. In city driving there will be little difference because the torque converter clutch does not lock up until you reach a cruising speed of about 55 MPH.



A more permanent repair would be to take the car to a transmission shop. However this may cost you more money than you paid for the car.