side view of the engine timing chain drive

side view engine timing chain drive camshaft shaft gear pinion wheel internal combustion diesel guide rail sprocket pulley sheave tensioner connector jack dipstick wire wiring bracing fastening clamp bracket holder maintenance mending upkeep disassembly assembly overhaul adjustment take remove dismantle demount repair part carcare service auto shop workshop garage car automobile vehicle engineering mechanism an intake exhaust camshafts are visible