Next

Step 2

Check whether the pipes are broken or damaged, causing the clutch slave cylinder oil pressure can not be
released in time.

Yes

Replace the damaged pipe.

No

Step 3

Check whether the clutch slave cylinder is binding?

Yes

Replace the clutch slave cylinder. Refer to

3.2.6.7

 

Clutch Slave Cylinder Replacement

No

Step 4

Check whether the clutch master cylinder is binding?

Yes

Replace the clutch master cylinder. Refer to

3.2.6.2

 

Clutch Master Cylinder Replacement

No

Step 5

Check whether the Clutch Driven plate is overheating?

Yes

Cool the clutch driven plate.

No

Step 6

Remove the transmission. Check whether the clutch disc is contaminated by oil.

Next

Step 7

Remove the transmission. Check whether the clutch driven plate is excessively worn and torn, or broken?

Yes

Replace the clutch driven plate. Refer to

3.2.6.5

 

Clutch Assembly Replacement

No

Step 8

Check whether the clutch pressure plate or flywheel is warped?

Yes

Replace the clutch pressure plate or flywheel.
Refer to 

3.2.6.5

 

Clutch Assembly

Replacement

and

2.6.8.17

 

Flywheel

Replacement

No

Step 9

Check whether the clutch pressure plate diaphragm spring is too soft. Replace the clutch assembly.

Transmission / Drive Axle

Clutch System

3-11

Next

Step 10

Diagnostic completed.

3.2.5.4 Clutch Pedal Hard to Push

Note

If the clutch oil is not correct, replace the clutch master cylinder, clutch working cylinder, bleed the system and fill the
correct oil.

Step 1

Check whether clutch hydraulic oil is correct? (Check whether the brake system is working properly)

Next

Step 2

Check whether the clutch oil is contaminated.

(a)

Check whether there is water in clutch oil.

(b)

Check whether there is dust or debris in the clutch oil.

(c)

Check whether the clutch oil is subject to the incorrect oil
contamination. If the oil is contaminated, replace clutch
master cylinder and clutch slave cylinder.

(d)

Flush hydraulic system and fill the correct oil.

Next

Step 3

Check whether the clutch hydraulic hose is twisted or damaged.

Next

Step 4

Check the clutch pressure plate, clutch driven plate.

Next

Step 5

Diagnostic completed.

3.2.5.5 Clutch Pedal Does Not Return

Step 1

Check whether the clutch slave cylinder is binding?

Yes

Replace the clutch slave cylinder. Refer to

3.2.6.7

 

Clutch Slave Cylinder Replacement

No

Step 2

Check whether the clutch master cylinder is binding?

Yes

Replace the clutch master cylinder. Refer to

3.2.6.2

 

Clutch Master Cylinder Replacement

3-12

Clutch System

Transmission / Drive Axle

No

Step 3

Check whether the clutch pedal height is correct, otherwise the clutch master cylinder can not be completely
reset. Measure the clutch pedal free travel. Refer to 

3.2.6.4

 

Clutch Pedal Free Travel Adjustment

.

Next

Step 4

Check whether the pipes are broken or damaged, causing the clutch slave cylinder oil pressure can not be
released in time.

Yes

Replace the damaged pipe.

No

Step 5

Check whether clutch fork or split is binding?

Yes

Separate bearings separate Fork. Refer to

3.2.6.6

 

Clutch Pilot Bearing Replacement

No

Step 6

Check whether the pressure plate spring is too soft. Replace the clutch pressure plate.

Next

Step 7

Diagnostic completed.

3.2.5.6 Clutch Bearings Noisy When Release

Step 1

Check whether the bearing is binding?

Yes

Clean and re-lubricate bearings. Check
whether the bearing is damaged.

No

Step 2

Check whether the fork is installed incorrectly. Remove and re-install the correct fork.

Next

Step 3

Diagnostic completed.

Clutch Rattle

Step 1

Check whether the pressure plate diaphragm spring is too soft?

Yes

Replace the clutch pressure plate

No

Step 2

Check whether the fork is not installed correctly, remove and re-install the correct fork.

Transmission / Drive Axle

Clutch System

3-13

Next

Step 3

Check whether there is engine oil in Clutch Driven plate block?

Yes

Rule out engine oil leakage and replace the
clutch driven plate.

No

Step 4

Check whether the Clutch Driven plate damping spring is damaged. Replace the clutch driven plate.

Next

Step 5

Diagnostic completed.

3-14

Clutch System

Transmission / Drive Axle