GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2007
🢒
Lucerne
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Auxiliary Control Valve Body Cover, Fluid Filter Seal, and Filter Removal
Remove the eight 15 mm bolts (28) and the one 13 mm bolt (32) from the side cover (29).
Remove the side cover (29) and the gasket (30).
Remove the main filter (236) and the seal (209).