Chery QQ Service Manual 465 Engine Mechanical System
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Chery Automobile Co., Ltd
See the specification of fastener for reference.
Is there still any whispering noise?
7
Check to see whether or not the belt pulley
flange is bent.
Is there any bent belt pulley flange?
To step8
To step9
8
Replace belt pulley.
Is there any whispering noise?
To step9
System normal
9
Check to see if there are severe hollowness
exceeding 1/3 depth of the belt groove.
Is there any severe hollowness?
To step10
—
10
Replace driving belt.
See the “Replacement of driving belt” for
reference.
—
System normal
5 Screaming noise of driving belt
Step
Operation
Yes
No
Definition: The following circumstances indicate there are some screaming noise.
l
Sharp noise usually happens in the multi-rib driving belt result from driving belt
slipping.
l
Blocking or sliding phenomenon of A/C system compressor connecting throttle
happens when driving belt is overloaded, there is some noise.
1
Check to see whether or not the belt pulley is
malposition.
Is there any malposition belt pulley?
To step3
To step2
2
Check to see whether or not the length of driving
belt is correct.
See “Replacement of driving belt” for reference.
Is the length of driving belt is correct or not?
To step4
To step5
3
Repair it or replace with new parts according to
the request.
Is the maintenance completed?
System
normal
—
4
Make a test to see whether or not the tensioner
works normally.
Does the driving tensioner work normally?
To step3
To step5
5
Check to see whether or not the size of belt pulley
is correct.
Check to see if the size of all belt pulley is correct
or not.
To step6
To step3
6
Check to see if the bearing is blocked badly or
To step3 System normal