46
Sl no Symptom Probable Cause Remedy
9
Excessive Oil
Consumption
Improper Engine oil Viscosity Use correct grade of oil
filter/Oil cooler/Oil
Pan/Piping’s/Rocker cover
Repair leaks
Lines in cooling system
leaking
Repair leaks of oil cooler, water jacket
etc
Bearings worn Replace
Front or Rear Crankshaft oil
seals leaking
Repair defective parts or replace
Dirty air cleaner Clean
Valve stem seal worn Replace
Valve to Valve guide
clearance not ok
Replace
Piston ring and groove worn Replace Piston rings or Piston
Piston and sleeve worn Replace Piston or sleeve
Turbo charger bearing
housing sludge or coked
Overhaul at manufacturer authorized
service centre
Excessive dirt build up on
turbocharger compressor /
diffuser vanes
Overhaul at manufacturer authorized
service centre
Turbo charger sealing
defective
Overhaul at manufacturer authorized
service centre
Turbo Charger Bearing
defective
Overhaul at manufacturer authorized
service centre
10
Excessive fuel
consumption
Fuel leakage from Piping’s Rectify
Improper fuel being used Use correct fuel
Incorrect setting of idling
speed
Reset
Incorrect Engine control
adjustment
Reset
Incorrect fuel injection timing Reset
Incorrect Valve clearance Adjust