NOTICE: Do not bar the engine over with the timing pin installed. The timing pin is designed to break and will not damage the crankshaft. 2. Verify timing pin is in crankshaft locator hole. See Figure 8. 1. Timing Pin Figure 8 Crankshaft Timing Pin 3. If the adjustable idler gear was removed or replaced remove the cover plate and loosen the three hub retaining nuts so the gear hub can be easily moved. Install tool to J 46306 hold idler gear hub at the middle of travel, this procedure will assist in correctly installing the camshaft gear.