Geely EC718 2009 Workshop Manual page 402

2-320 Engine Mechanical System JL4G18-D
No
Check the existence of the flywheel cracking, deformation and other components intervention. Is the flywheel
Step 3
normal?
No
Step 4 Check whether the main bearing clearance is too large. Does it exceed the specified value?
No
Step 5 Check connecting rod bearing clearance. Does it exceed the specified value?
No
Confirm diagnostic completed.
Step 6
2.6.7.6 Slight vibration when engine is warming up.
Step 1 Use scan tool to read the "Knock" related data. Is the engine knocking?
No
Check whether there is exhaust manifold leakage?
Step 2
No
Check connecting rod bearing clearance, Does it exceed the specified value?
Step 3
EC718/EC718RV EC715/EC715RV 10/2009
Replace the flywheel assembly. Confirm
Yes
whether the fault is fixed.
Standard Value: 0.006-0.022 mm (0.0002-0.0008 in)
Replace the main bearings. Confirm whether
Yes
the fault is fixed.
Standard Value: 0.020-0.044 mm (0.0007-0.0017 in)
Replace the connecting rod bearings.
Yes
Confirm whether the fault is fixed.
Check the engine timing systems and fuel
Yes
quality. Repair the faulty part.
Replace the exhaust pipe pad and tighten the
Yes
exhaust pipe.
Standard Value: 0.020-0.044 mm (0.0007-0.0017 in)
Replace the connecting rod bearings.
Yes
Confirm whether the fault is fixed.
Engine