For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Check to see that the transmission shims are between the catalytic converter and the transmission support. Are the shims between the converter and the support? | -- | Go to Step 3 | Go to Step 2
2 | Reposition the shims so that the shims are between the transmission and the catalytic converter bracket. Is the vehicle still vibrating or rattling? | -- | Go to Step 3 | System OK
3 | Check for inadequate clearance between the floor panel and the transmission support. Is there inadequate clearance? | Less than 3 mm (1/8 in) | Go to Step 4 | Go to Step 5
4 | Replace the transmission support. Refer to Transmission Support Replacement in Automatic Transmission. Is the vehicle still vibrating or rattling? | -- | Go to Step 5 | System OK
5 | Check for inadequate clearance , between the converter hanger and the transmission support. Is there inadequate clearance? | Less than 3 mm (1/8 in) | Go to Step 6 | --
6 | Loosen the converter hanger fasteners. Then, reposition the converter hanger. Is the vehicle still vibrating or rattling? | -- | -- | System OK