![]() With the synchronizer body aligned to the engine, make fine adjustments clockwise or counter clockwise to align the trigger tooth to the synchronizer body.The trigger tooth MUST be in the same relative position to the synchronizer body as the old assembly. Gently lower new synchronizer into the engine.Lightly oil the gear and lower oil o-ring. Lubricate the new synchronizer by squirting oil into the oil holes.Lift the synchronizer up and out of the engine.Clean dirt and debris away from the base of the synchronizer.Remove camshaft synchronizer hold down bolt.This will give a general mark to align with when inserting the body. Also mark the position of the synchronizer body in relation to the engine.Mark the position of the trigger tooth in relation to the synchronizer body.IMPORTANT!!! Note the position of the trigger tooth!!!.Remove camshaft position sensor by loosening the two small bolts.Disconnect camshaft position sensor plug.Disconnect coolant crossover tube from lower intake manifold.However, you should replace the intake manifold gaskets if you remove the manifold. This does allow for more access to position the wiring harness out of the way. Some manuals suggest removing the upper intake manifold completely.Disconnect throttle body from upper intake manifold and position to the side.Disconnect negative battery cable from battery.Instead, it uses a trigger tooth and pickup sensor (Camshaft Position Sensor) to time ignition spark. The Camshaft Synchronizer assembly is basically just an ignition distributor body without the points assembly. If your Vulcan is chirping, squeaking, or squealing from the driver's side of the engine bay, this is for you. This thread has an excellent warning, but wasn't found with Search becasue synchronizer is spelled wrong in the thread title. I searched for a how-to, considering this is such a common repair, and was suprised to not find one.
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