Chery T21 2014 Service Manual page 780

17 - QR525MHE TRANSMISSION
DIAGNOSIS & TESTING
Problem Symptoms Table
HINT:
Use the table below to help determine the cause of problem symptoms. Check each suspected area in
sequence. Repair or replace the faulty components, or adjust as necessary.
Symptom
Noise
Oil leakage
Hard shifting or impossible to shift
Jumps out of gear
17
Bearing irregular damaged
Release fork makes a "click" sound when
clutch pedal is depressed
No shift
12
17–
Suspected Area
Oil level (too low)
Oil wrong grade
Gear (worn or damaged)
Bearing (worn or damaged)
Gear thrust position and clearance
improper
Drain plug
Drain plug gasket
Differential oil seal
Joint surface damaged and not trimmed in
time
Oil level (too low)
Gear (worn or damaged)
Synchronizer ring (worn or damaged)
Shift key spring (worn or damaged)
Detent ball spring
Shift fork (worn)
Gear (worn or damaged)
Bearing (worn or damaged)
Lubricant contains metal impurities
Insufficient lubrication or lubricant does not
conform to standard
Irregular bearing
Insufficient lubrication at joint surface of
release fork and hydraulic sub cylinder or
joint surface of release fork and ball joint
housing
Shift drive train (loose)
Driver rocker arm (loose)
Chery Automobile Co., Ltd.
See page
17-14
17-14
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17-16
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17-14
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17-35
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