GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1996 🢒 Aurora 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Control Valve Lower Body Disassemble

    Object Number: 12037 Size: SH
  1. Remove the three 10 mm bolts (534) from the channel plate side.
  2. Remove the six 10 mm bolts (534, 951, 952, 954) from the accumulator housing. Then remove the accumulator housing (944) from the channel plate.

    3. Object Number: 12038 Size: SH
  3. Remove the four checkballs (65) and remove the spring (971) from the channel plate.

    4. Object Number: 12039 Size: SH
  4. Remove the one 10 mm bolt (534) from the channel plate side and the six 10 mm bolts (941) from the automatic transmission fluid pressure manual valve position switch (936). Then remove the automatic transmission fluid pressure manual valve position switch (936).

    5. Object Number: 12040 Size: SH
  5. Remove the nine remaining 10 mm bolts (938, 940, 941) from the lower control valve body. Remove the solenoid valve fluid filter retainer (981). Remove the lower control valve assembly (903) from the channel plate.

    6. Object Number: 12041 Size: SH
  6. Remove the four checkballs (65), remove the three 8 mm bolts (939) from the spacer plate support cover (937), and remove the spacer plate support cover.

    7. Object Number: 12042 Size: SH
  7. Remove the spacer plate and gasket assembly (935) from the channel plate.