At highway speeds around 50 to 70 mph my car has a surge almost like the transmission is slipping. it's hard to explain but it's like a redundent rrr rrrr rrr rrr rrr rrr and then it stops but it can do ti again at any time. You can actually feel the car slow down and then speed up again over and over. thanks Keith
slipping transmission on 2000 Pontiac Bonneville
by kparritt in Dowagiac, MI on January 16, 2010
ANSWER by patrick mannion on January 17, 2010
It does sound like a transmission or drivetrain problem which sounds like something that will soon fail. If it does turn out to be something simple at least it should be easy to diagnose as you can duplicate the problem for the mechanic consistently.
transmission slips is there away to fix that as well as the speed sencer that affects it getting stuck in 1st gear until you hit 35 mph or sometimes faster?
when car shifts from first to second gear, it jerks into gear.And also, if I accelerate too fast it slips.
Car turns on right away, but when i'm driving, the engine revs up. It almost feels as if the engine is choking and gasping for air. I just drov 75 miles from my home. the rev comes and goes. I did ...