Geely EC718 2009 Workshop Manual page 408

2-326 Engine Mechanical System JL4G18-D
Yes
Check whether all attached drive pulley bearings are normal?
Step 3
Yes
Step 4 Check whether drive belt tensioner device is working properly?
Yes
Check whether the correct drive belt is used?
Step 5
Yes
Check all fasteners associated with the drive belt are normal?
Step 6
Yes
Check whether drive pulley is normal?
Step 7
Yes
To diagnostic tips.
Step 8
EC718/EC718RV EC715/EC715RV 10/2009
Does the scream disappear?
Refer to
No
Pulley bearings do not appear stuck, loose and so on.
Replace the damaged pulley or bearing.
No
Tensioner pulley bearing device does not appear stuck, loose.
Tensioner device does not appear loose and other damages.
Replace the drive belt tensioner assembly.
No
Refer to
Replacement
Check whether the drive belt is stretched. Refer to
Inspection.
Replace the drive belt. Refer to
No
Belt Replacement
Tighten loose fasteners.
No
Check whether the pulley is bent, twisted and so on.
Replace the failed pulley.
No
2.6.7.4 Engine Noise Diagnosis
the2.6.8.4 Drive Belt Tensioner
2.6.7.9 Drive Belt
2.6.8.3 Drive
Engine