I have a question i drive a 92 buick regal and when i drive in 4th gear not overdrive (for sone reasion it has both overdrive and drive) all the coolant from the back up tank dissapears. I already had the radiator replaced at the buick dealer and they said they never seen this happen before there are no leaks as far as i can see. Please help
Dishdude714
Dishdude714
Jun 14, 2007 at 10:28 PM