Noise and Vibration Analysis
A noise or vibration that is noticeable when the vehicle is in motion MAY NOT be the result of the transmission.
If noise or vibration is noticeable in PARK and NEUTRAL with the engine at idle, but is less noticeable as RPM increases, the cause may be from poor engine performance.
| • | Vibration may also be caused by a small amount of water inside the torque damper. |
| • | Inspect the tyres for the following conditions: |
| - | Mixed radial and bias ply |
| • | Inspect the suspension components for the following conditions: |
| - | Alignment wear or damage |
| - | Driveline damage or wear |
| • | Inspect the engine and transmission mounts for damage and loose bolts. |
| • | Inspect the transmission case mounting holes for the following conditions: |
| - | Missing bolts, nuts, and studs |
| • | Inspect the flywheel for the following conditions: |
| • | Inspect the torque damper for the following conditions: |
| - | Missing or loose bolts or lugs |
| - | Missing or loose balance weights |
| - | Imbalance caused by heat distortion or fluid contamination |
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