bearing on crankshaft worn or damaged, caused by lack of oil. start engine if it will and pull plug wires off one at a time and you'll find out wich one. do not rev up engine too high. do not sell car to a friend. motor has to come out and extensive repair on lower end required. if you do not know what a rod bearing knock is then it is not a do it yourself fix. major repair.
a knock out rod is the rod that will knockout you when you use it
a lot of times its your timing belt, if its more of a knock its could be a rod knock
And engine knock is normally caused but I worn crankshaft bearing or rod bearing.
A loud knock is usually associated with a rod bearing. The rod connects the crankshaft to the piston. If a rod bearing went out, possibly from an oil pump going bad, it would stall out the motor.
light slapping knock is a piston knock a loud heavy repetitive knock is a connecting rod Very Bad
A bearing knock, or a rod knock develops when the bearings between the rod and crankshaft wear, leaving a gap, allowing the crankshaft to slap the connecting rod. The knock develops slow for a few miles but once the rod starts to knock then the gap increases because the metal in the rod and the crankshaft get destroyed and deteriorated. As the gap increases the knock gets worse, and as the gap increases the knock and the damage will rapidly get worse. Within a short while the connecting rod will break open and get stuck between the crank and the engine block, possibly cracking the block and destroying the crankshaft. The engine is now inoperable :< To prevent the rod knock, let your engine warm for a minute or so before driving to ensure the engine oil has been pumped throughout the engine, and get regular oil changes, because a thin film of oil is all that separates these engine parts, and dirty oil will be squeezed between the metal parts, increasing the rate of erosion. .
Probably a bad rod bearing
Fine it almost sounds like its coming from up in the head area and not a rod knock? OMG
It could knock or squeak.
The engine will have a distinct "Knock" while running.
A spun--Bad rod bearing. NO OIL PRESSURE.
Could be a rod knock. Your bearings slipping in the engine.