Chapter Four General Failures And Troubleshooting - Chery QQ6 Service Manual

Chapter Four
Failure
status
Damaged input or/and output shaft bearing(s)
Excessive Gear tooth faces damaged due to knocking, burr
or
or pit corrosion existing, or poor contact between
abnormal
them.
noise
Incorrect gear shaft position and clearance
Low oil level, insufficient lubrication
Foreign matter(s) existing in the assembly
Excessively worn or damaged oil seal(s)
Uneven sealant smearing or damaged seal
Oil leakage
gasket(s)
Failure to timely recondition junction surface(s)
damage due to knocking
Damaged differential bearing
Improper clutch adjustment and incomplete
Difficult to release.
implement
Improper
gear shift adjustment or movement obstruction occurring
Synchronizer ring(s) fails to work
Gear Worn synchronizer gear sleeve(s) or tooth cone
jump surface(s) of gear junction
Improper
adjustment
No gear Loose gearshift transmission system
Loose gearshift arm of transmission
Abnormall Metal impurities contained in transmission oil
y damaged
Insufficient
bearing(s)
transmission oil
Using of unqualified bearing(s)
General Failures and Troubleshooting
Possible reason
gearshift transmission
gearshift transmission
lubrication or
35
Troubleshooting
Replace
bearing
Repair or replace
the gear
Check and adjust
Fill oil
specified level
Check and remove
Replace
Replace the seal
gasket(s) or sealant
Check and repair
Replace
Adjustment
system Check and adjust
Replace
Replace
components
system Check and adjust
Overhauling
Repair
Replace
unqualified Replace
Replace
the
to the
related