Mon-Fri, 9AM-5PM EST
T-90 Transmission Service Diagnosis - CJ-3A
T90 transmission illustration shown for reference only - click here to shop for these parts by interactive diagram
Looking for T-90 Transmission parts for your vintage Willys or Jeep? Search T-90 Transmission by Category or by Diagram
| Slips out of high gear: | Possible Solution: |
|---|---|
| Transmission misaligned with bell housing | Align transmission case to bell housing to engine |
| End play in main drive gear | Tighten front retainer |
| Damaged pilot bearing or front bearing | Replace |
| Slips out of second: | Possible Solution: |
| Worn gear | Replace |
| Weak poppet spring | Replace |
| Noise in low gear: | Possible Solution: |
| Gear teeth worn | Replace gears |
| Shifting shoe bent | Replace shoe |
| Lack of lubrication | Drain and refill |
| Grease leak into bell housing: | Possible Solution: |
| Gasket broken front bearing retainer | Replace |
| Transmission main drive gear oil seal | Replace |
* Excerpt from the Service Manual for Universal Jeep Vehicles page 182