Flex Plate/Torque Converter Vibration Test. Cadillac Concours 1997

For 1990-2009 cars

1. Start the engine.
2. With the engine at idle speed and the transmission in Park or Neutral, observe the vibration.
3. Turn the key OFF.

### Removal Procedure

1. Remove the bolts attaching the flexplate shield.
2. Remove the bolts attaching the flexplate to the torque converter.
3. Rotate the torque converter 1/4 turn.

### Installation Procedure

Notice: Some engine/transaxle combinations cannot be balanced in this manner due to restricted access or limited clearances between the torque converter bolts and the engine. Ensure that the bolts do not bottom out in the lug nuts or the torque converter cover which could dent and cause internal damage.

1. Install the flexplate to the torque converter. Secure with the attaching bolts.

Tighten
Tighten the bolts to 62 N·m (46 lb ft).

2. Install the flexplate shield. Secure with attaching bolts.

Start the engine and check for vibration. Repeat the procedure until you obtain the best possible balance.