Problem |
Solution |
| High oil level |
Check and adjust |
| Low oil level |
Check and correct |
| Wrong oil grade |
Check oil grade |
| Park brake on |
Release park brake |
| Lube lines pinched, restricted, or leaking |
Check cooler lines |
| Unit operated in too high gear range |
Operate unit in correct gear range |
| Temperature gauge or sender malfunction Install |
temperature sensor to verify temperature. Do Tachometer/Temperature Reader Installation Procedure. |
| Air flow through oil cooler or radiator restricted |
Do Radiator Air Flow Test |
| Oil cooler thermal relief bypass valve stuck |
Bypass thermal bypass valve and check to see if unit still overheats. Do Transmission Oil Cooler Thermal Bypass Valve Test |
| Oil cooler internally restricted |
Do Oil Cooler Restriction Test |
| Warped disks and plates in transmission |
Do Transmission Clutch Drag Check |
| Leakage in transmission hydraulic system |
Do Converter-Out Pressure Test. Do Transmission Element Leakage Test |
| Low transmission pump output |
Do Transmission Pump Flow Test |
