Next
Step 3
Check whether the pulley is bent or depressed. Repair the faulty part.
Next
Step 4
Check whether the drive belt tensioner device bracket is bent or cracked. Repair the faulty part.
Next
Step 5
Check whether the drive belt tensioner device is working properly. Repair the faulty part.
Next
Step 6
Check whether the attached fasteners loose. Repair the faulty part.
Next
Step 7
Confirm that fault has been fixed.
2.6.7.14 Drive Belt Excessive Wear
Diagnostic Tips:
Drive belt excessive wear and tear is usually due to unreasonable installation or the use of the wrong drive belt. Drive pulley slight
misalignment will not cause excessive wear and tear, but it could lead to drive belt noise or loss. Drive pulley misalignment can
cause excessive wear and can also lead to drive belt fall off.
Fault Definition: The drive belt is not properly installed which led to the drive belt outer edges worn.
Step 1
Check whether there are frictions between drive belt and brackets, wiring harness, hoses and other
components?
Yes
Repair the faulty part.
No
Step 2
Check all attachments drive pulley whether there are abnormal scratches on the surface, edges and corners
and other abnormal conditions?
Yes
Repair the faulty part. If necessary, replace
the drive pulley
No
Step 3
Check whether the installed drive belt model is correct?
Yes
Replace the drive belt with a correct type.
No
Step 4
To diagnostic tips.
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Engine Mechanical System JL4G18-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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