GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2007
🢒
Lucerne
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Differential Carrier and Housing Removal
Rotate the manual shaft (16) counterclockwise in order to place the transmission in Park and prevent the differential from rotating.
Remove the four 15-mm differential bolts (119).
Remove the differential carrier (110).