the linkage to the transmmison probably needs to be adjusted
If your Blazer won't go into park the problem could be with the shift linkage. There could be a problem with the cable, but the shift linkage is most likely responsible.
The 2001 Chevy Cavalier automatic transmission shift linkage is held in place with a swivel nut on each end of the shift linkage. Turn the swivel nuts to the left and the shifting linkage will come off. Reverse the process to install your new shift linkage.
yes
Linkage adjust
Remove the linkage off of the trans and shift it there.
To change the shift linkage in an 1998 automatic Chevy Cavalier the shift linkage needs to be removed from the transmission and pulled from the cabin. The job requires removing the floor console to access the cable. After doing the so the cable can be snaked from inside the cabin, the install is the reverse of the removal.
Low on fluid. Linkage mis adjusted or broken. Internal parts malfunctioning.
shift linkage needs adjustment, not expensive
It could be the shift motor on the T Case. Or it could be the automatic shift button switch on the dash.
To adjust the automatic transmission linkage on a 1994 Ford F-150, first, ensure the vehicle is parked on a level surface with the engine off. Locate the transmission shift lever and the linkage at the transmission. Loosen the adjustment nut and move the shift lever to the "Neutral" position, then align the linkage accordingly before tightening the nut. Finally, check the operation of the gears to ensure proper alignment.
Bent shift linkage or you are parking on a hill.