No Fourth Gear
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
No Fourth Gear
| Checks |
Causes |
| 1-2 Shift Solenoid Valve |
- Inoperative
- Debris
- Pinched wires
|
| 3-4 Shift Valve Bore Plug |
Misassembled |
| 4th Band |
Burned, slipping, missing |
| 4th Servo Cover |
Cracked |
| 4th Servo Pin |
Broken, seized |
| 4th Servo Piston |
Damaged |
| 4th Servo Seals |
Rolled, cut or damaged |