You probably need to have the transmission rebuilt. I just had mine done. It started shifting hard when it got warmed up. I took it to a transmission shop and they hooked a computer to it and got a 1811 code which they said meens internal damage and needs to be rebuilt. I just picked it up this morning so I hope it will be ok now, since it cost me $1700 bucks.
Loose battery or alterator connections
Where is the lowside service port on a 2000 buick century?
yes
i have a 2000 buick century and the evap comes on where and what could be setten off the evap ?
2000 Buick century gap for spark plug 3.1l
I have a 2000 Buick Century costom and I replaced it but it leaks what could be wrong
No
Underneath the right headlight
Low Traction
Throttle body
The low pressure AC port on a 2000 Buick Century is located on the accumulator. It is used to fill the system with refrigerant and to check pressure levels.
On the bottom of trans. You are going to have drop one of your motor mounts 6 to 8 inches. They will tell u that they have to go inside the trans but they dont.