Ok Ill check the mount out. As for the the MAF sensor, I have replaced that once, back before when my first tranny did this bad shifting. It did help, by the car not stalling but then the hard shifting happened a little while after I did change that sensor.

I was thinking the MAF, so I thought if ...

This looks to be answered in the common problems section at the top of the forum:

Transmission slams into gear
Problem: The transmission slams or bangs into gear when shifting to reverse or drive.
Solution: The front transmission mount is bad. Replacement necessary, you have two options: Stock ...

My Car:
2000 Pontiac Bonnie SSEi, / 159,500 miles / the car has leaks and smaller problems needing fixed eventually, yet my major problem is… I’m on my 2nd transmission now, which has only been installed and running for a couple thousand miles. My 1st tranny went bad at about 158,000 miles.(just ...

Thank you

buy a new headlight.....search the internet for an aftermarket one, my only opinion then spending time on the headlight, amongst other problems you'll have eventually.....Love Bonneville's, yet once my headlights got condensation, that's when the bulbs go next......save your bulbs and buy a new ...

MAF maybe? I cleaned mine then replaced the sensor completely and my bonnie ran great after that...(it did have problems staying started too)......Clean that sensor for a try....maybe?, from as much as I know

I had a thread about 'car only revs in any gear', obviously the tranny which is what I thought...yet now thought it would be better to use a new topic for if anyone else searches 'Transmission Type'

I am trying to search to buy a used tranny, yet do not now which type is right for a 2000 ...

yup, sounds like the wheel bearing if I'm correct...

Thanks for the reply's.

so I guess I am going to find a used tranny......its a 2000 SSEi......does it matter which type, anyone have a lead to a refurbished one.......... at least thats what I am told, he just listened and checked the fluid, which was black.....said the clutches went and he'll ask around for a used one ...

a while back my car would buck hard when about to shift gears....when hot or not, sometimes shutting it off and letting it cool down for a bit would go back to normal shift. I replaced the MAF once after cleaning it a couple times which helped...yet after replacing the sensor that helped and the car ...