WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
J 45951
Front Seal Installer
Fig 1: Installing Crankshaft Front Oil Seal
Courtesy of GENERAL MOTORS CORP.
Apply engine oil to the outside diameter of the crankshaft front oil seal.
Use J 45951
to install a new crankshaft front oil seal.