2007 Buick Terraza Fuel Tank Filler Neck

You can slide a new selector shaft seal, obtain J 43909 and remove the inner sleeve so that the tool will slide over the selector shaft, slide the J 43909 into position so that the end of the tool contacts the seal being installed Use a mallet to strike the J 43909 and drive the new seal into the bore until it is seated at the bottom of the bore, install the PNP switch, and fill the transmission to the proper level with DEXRON-III transmission fluid.

You can remove the Park/Neutral Position (PNP) switch, rotate the Park/Neutral Position (PNP) switch, the jackscrew in the clockwise direction to remove the seal from the bore, and discard the seal that was removed.