The main bearings are what supports the crankshaft. The rod bearings go on the rod that the pistions are hooked to. Rod bearings are smaller then the main bearings on all engines.
did you disassemble the engine to determine the rod condition? some harmonic balancers will make a knocking sound when they go bad
rod bearings only fit one way
Bad rod bearings ? Bad main bearings ? try a broom stick to see where it is located makes diagnosis easier
If you are talking about the crankshaft rod bearings, you can just remove the oil pan, and replace each crank bearing one at a time without actually removing the pistons. But to replace the piston pin rod bearings the pistons will have to be removed. IMO, if any of these bearings are worn bad enough to need replacing, then the engine needs a complete overhaul.
how to replace the rod bearings in a 1996 saturn 1.9 still in the car
Go to south carolina
The rod bearings are between the connecting rod and the crankshaft.
You cannot fix a rod bearing. Bearings must be replaced. While it is possible to replace a single rod set, a bottom end overhaul might be the way to go. The rational here is that if one bearing is bad, how far off are the others? In addition, if crank shaft journal service is necessary, the machine shop will supply that correct bearing size after machining .
Cam bearings, Main bearings, Rod bearings.
Main bearings and connecting rod bearings.
No