OTC 7209 Power Steering Pump Pulley Installer for GM This tool offers easy damage-free installation of power steering pump pulleys Works on 1988-95 GM Quad 4 engines 1990-94 Chevrolet Lumina APV Oldsmobile Silhouette and Pontiac Trans Sport vehicles 1990-94 3.1L V6 engines 1994-newer 3100 GM V6 and 1999-newer 3400 GM V6 Threads are 3/8-16 inch to fit pulley shaft threads