Want this question answered?
how do you rebuild 1990 bonneville transmission
It's in the transmission.
For such a large job, if it is not obvious to you, you should be using a repair manual, or take it to a competent shop.
The transmission dipstick tube
It is inside the side cover of the transmission. I have seen this with the trans still in the car but it would have been easier to take the transmission out to repair it.
NO. The 2000 Bonneville used the 4T65E and the '96 used the 4T60E transmission. It may physically fit, but the electrical connector is completely different for the computer hook-up.
i would rather not...
If your Pontiac runs a 700r4 gm transmission you have stripped a reverse input shell. The transmission needs to come out for repair.
You could try changing the transmission filter and the fluid.
Dextron III any brand.
Pontiac Bonneville was created in 1957.
There is a side pan which is sometimes accesable if you remove the wheel.