Automatic Transmission, VT25-E (Troubleshooting): Troubleshooting: Vibration
Vibration
| Checks | Action |
|---|---|
| Lug bolts for the torque converter (1) | Inspect for loose torque converter (1) lug bolts. Tighten the lug bolts. |
| Bolts (19, 20) securing the transmission fluid pump assembly (23) to the case | Inspect for loose or stripped bolts securing the transmission fluid pump assembly to the case. Tighten or replace the bolts (19, 20). Refer to Fluid Pump Installation . |
| Line 1 pressure regulator valve (316) | Inspect for worn, sticking or binding valve. Replace the line 1 pressure regulator valve (316). Refer to Control Valve Body Assembly Disassemble . |
| Line 1 pressure regulator valve spring (315) | Inspect for worn, sticking or damaged spring. Replace the line 1 pressure regulator valve spring (315). Refer to Control Valve Body Assembly Disassemble . |
| Line 2 pressure regulator valve (212) | Inspect for worn, sticking or binding valve. Replace the line 2 pressure regulator valve (212). Refer to Control Valve Body Assembly Disassemble . |
| Line 2 pressure regulator valve spring (211) | Inspect for worn, sticking or damaged spring. Replace the line 2 pressure regulator valve spring (211). Refer to Control Valve Body Assembly Disassemble . |
| Control valve body (305) | Inspect for porosity, damage or contamination with debris. Replace or flush the control valve body (305). Refer to Control Valve Body Replacement . |