GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1997
🢒
Riviera
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T65-E
🢒 Manual Valve Link and Fluid Dam Removal
Remove the manual shift detent bolt (805).
Remove the manual shift detent assembly (804).
Compress the manual valve link spring (403).
Lift the manual valve link (402) off of the manual valve (404).
Position the manual valve link (402) so that the valve will not interfere with the case cover removal.
Remove the oil dam (27) from the case.
Using a small screwdriver, pry the input speed sensor clip (441) out of the case cover (400).
Important:
Handle the speed sensor carefully, it is very delicate
Carefully pull the input speed sensor (440) out of the case cover (400).