A noise or vibration that is noticeable when the vehicle
is in motion may not be cause by the transmission.
A noise or vibration that is noticeable while the vehicle is in the
P (Park) or the N (Neutral) position with the engine at idle, but is less
noticeable as the RPM increases, may be the result of poor engine performance.
Inspect the following components for the conditions stated:
| • | Tires and wheels -- Uneven wear; imbalance; mixed sizes,
or types. |
| • | Suspension components -- alignment and wear; loose fasteners.
Refer to Section 3C. |
| • | Engine and transmission mounts -- damage; loose bolts. |
| • | Transmission case mounting holes -- Missing bolts, nuts,
and studs; stripped threads; cracks. |
| • | Flywheel -- Missing or loose bolts; cracks; imbalance. For
flywheel balancing, refer to Engine Flywheel Replacement
in Engine Mechanical. |
| • | Torque converter -- Missing or loose bolts or lugs; missing
or loose balance weights; imbalance. |
