At the Cancun meeting of the world trade talks in September 2003, a powerful new grouping of developing countries emerged. Led by rapidly growing countries and major exporters like Brazil, China, India, and South Africa, this group has been powerful enough to challenge the EU and the US in trade negotiations.
If the situation is really bad it can even be caused by the rod itself contacting the crankshaft journal (where the bearing has become out of place). The most common cause of rod knock is due to a spun bearing (bearing itself actually spins in the end of the rod so it becomes out of position).
Engine noise under the hood may be caused by loose torque converter bolts, low oil pressure, spark knock or excessive piston clearance. A cracked flywheel on an automatic transmission or excessive connecting rod clearance may also cause an engine to knock. Continue Reading.