F - CLUTCH(ES) SLIPPING*
|
Condition |
Probable Causes |
Suggested Remedies |
Slipping and Chatter in Only
One Range |
1. Specific clutch defective. |
1. Rebuild the specific clutch. |
2. Specific clutch piston seals leaking. |
2. Rebuild specific clutch and piston
assembly. |
3. Transmission fluid leaking past
control valve components for specific gear. |
3. Replace or rebuild control valve body
assembly. |
4. Trimmer valve stuck open. |
4. Replace or rebuild trimmer valve. |
5. Cycling priority valve. |
5. Replace or rebuild control valve body
assembly. Inspect priority valve. |
Slipping in All Forward
Ranges |
6. Transmission fluid level low. |
6. Add transmission fluid to proper
level. (Be sure dipstick calibration is correct for specific model.) |
7. Main pressure low. |
7. Refer to Chart E, Low Pressures. |
8. Forward clutch defective. |
8. Rebuild forward clutch. |
9. Sealrings on front support hub worn or
broken. |
9. Replace sealrings. |
10. Lubrication valve stuck open. (Not
applicable for AT s and V s.) |
10. Inspect valve for contamination and
proper operation. |
11. Centrifugal check balls not seating
(forward and/or fourth clutches.) |
11. Inspect check balls for contamination
and proper operation. |
* NOTE: If unit is modified
for split shaft PTO, all external circuitry must be removed before
troubleshooting. |