Bosch Relay Wiring Horn

Bosch Relay Wiring Horn - Notes when rebuilding engines. Safety wire: Camnuts. Nuts fit quite loosely onto the threads of many replacement camsI don't know the specific reason, but after a freshly rebuilt engine began making nasty knocking noises, a complete teardown revealed that the camnut was just pinging against the timing covertoo bad we didn't remove the timing cover FIRST while trying to locate the knock..