l2s crank & conrod bearing..otai pls share

[qj3]

hi all,

1. need ur advice..what's the symptom showed by engine that indicates crank & conrod bearing need to be replaced..any weird sound from engine?...or from the way engine running or else..how do we know?

2. for l2s standard crank n conrod bearing, daily driving boost around 1.3-1.5 bar (with oil engine well maintain every 3-4k km), how long approximately the bearing can last before its time to replace with new one...

pls share ur opinion n exprience

thanx in advance..