HEXA

ENGINE

1.2 GENERAL SYMPTOMS DIAGNOSIS:

NOTE

It is always advisable to first use the diagnostic tool and rectify the electrical faults, before commencing with

mechanical repairs/ troubleshooting. Refer EMS section in this group for procedure.

SR.

NO.

COMPLAINT

CAUSE

REMEDY

Engine does

not crank



Electrical connection loose/came out



Battery discharge



Starter Motor not working



Ignition switch defective



Correct them at proper place



Recharge/replace the battery



Repair/Replace the starter motor



Replace the main line switch

Engine

Cranks but

does not start



No Diesel



Fuse for engine stop blown



Fuel filters choked



Air filter choked



Engine seized



Exhaust system choked



Hydrostatic lock due to blown

cylinder head gasket



Valve train failure due to timing belt

failure/breakage



Glow plugs defective



Fill in Diesel



Replace the fuse.



Replace the fuel filters.



Replace the Air cleaner filter



Repair/Replace engine



Clean the exhaust system



Repair/Replace the engine



Repair/Replace the engine



Check / Replace



Clutch Switch faulty



Hold the Ignition key at crank

position for 10seconds. This will

help to crank the engine if starter

motor is in fail-safe condition

operation.



Further Investigation on Clutch

Switch and Electrical Connection

to be done



Clutch switch electrical connection

faulty



Check the clutch switch electrical

connection & rectify the same in

case of unsuccessful / delayed

engine start.



Clutch Switch Faulty



Check the fault codes in case of

unsuccessful / delayed engine

start and rectify the fault

Engine

Seizure



Low coolant level



Cooling fan not working



Thermostat failure



Radiator hose leakage



Radiator leakage



Water pump defective/pump bearing

damaged.



Replace affected parts



Check belt tension



Replace affected parts



Replace affected parts



Replace affected parts



Replace affected parts