Having trouble with the shifts. There's no slip at all once it gets into gear. 1-2 seems to be the real hard one for it...most of the time it just slips and wont go into second gear, but sometimes when it tries to shift it kinda gets in and the whole car starts to shake as if a wheel is gonna fall off. No shake on the 3-4 shift, just slips once in a blue moon. Like I said, though, there is no slip in gear...what can cause this?

 

Have you checked the fluid level?

Have you scanned for any transmission codes ? (most transmission codes don't set the SES light)

 

Fluid is fine and I would check the codes, but I don't have access to a scanner...