No Forward Only
NO FORWARD ENGAGEMENT1. Improper fluid level, low.
2. Worn, damaged, and/or improperly assembled driveshafts.
3. Shift linkage damaged or improperly adjusted.
4. Low forward clutch pressure, low line pressure, low intermediate clutch pressure, low Electronic Pressure Control (EPC) pressure.
5. Oil filter or filter seal plugged or damaged.
6. 3-4 shift valve, main regulator valve, forward clutch control valve, manual control valve, 2-3 servo regulator valve-stuck, damaged. These valves are located in the main control valve body.
7. Oil pump assembly loose and/or gasket damaged. Oil pump case porosity/cross leaks.
8. Driven sprocket support assembly loose and/or seal damaged.
9. Forward clutch piston cracked and/or friction elements damaged or worn.
10. Overrunning clutch assembly (planetary) worn, damaged or improperly assembled.
11. Low intermediate servo piston seal worn or damaged.
12. Low intermediate servo apply rod length incorrect.
13. Output shaft splines damaged.