Flex Plate/Torque Converter Vibration Test
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
To determine and correct a torque converter vibration, use the following general procedure to achieve the best possible torque converter-to-flywheel balance. Refer to Transmission Replacement for detailed procedure steps as appropriate.
WARNING:
Refer to Battery Disconnect Warning
.
- Disconnect the battery.
- Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
- Remove the starter motor bolts and position the starter motor aside. Refer to Starter Replacement (4.8L, 5.3L, 6.0L, and 6.2L) or Starter Replacement (4.3L) or Starter Replacement (6.6L) .
- Remove the torque converter bolts.
- Rotate the torque converter one bolt position.
- Install the torque converter bolts and tighten to 60 N.m (44 lb ft).
- Install the starter motor and starter motor bolts. Refer to Starter Replacement (4.8L, 5.3L, 6.0L, and 6.2L) , Starter Replacement (4.3L) or Starter Replacement (6.6L) .
- Connect the battery.
- Start the vehicle and test for vibration again. If vibration is still present, repeat the testing procedure. Repeat this procedure until you obtain the best possible balance.
CAUTION:
Refer to Fastener Caution
.
WARNING:
Refer to Battery Disconnect Warning
.