Buick Terraza 2005-2006 3.5L 213Cu. V6 GAS OHV Naturally Aspirated INSERT TETHER END INTO SQUARE HOLE AT THE BOTTOM OF FILL POCKET; AWD. Buick Terraza 2006-2007 3.9L 3880CC 237Cu. V6 GAS OHV Naturally Aspirated INSERT TETHER END INTO SQUARE HOLE AT THE BOTTOM OF FILL POCKET; FWD.