In this video we go through the steps needed to synchronize the cam position sensor on a Jeep 4.0 engine to the engine timing. This process is the same for Jeep Cherokee XJ's, Wrangler TJ, LJ and YJ's as well as Grand Cherokee WJ's. We make sure the engine is on TDC (Top Dead Center), we pin the cam sensor and then install it. 00:00 - Introduction and Finding Top Dead Center 00:59 - Preparing cam sensor by pining the aperture 04:28 - Preparing the engine 06:26 - Three things to check before installation 06:49 - Installation of cam position sensor 08:34 - Fork and bolt installation and removing the cam pin 10:00 - Engine startup