GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Lower Control Valve Body Assembly Removal

    Object Number: 509544 Size: SH
  1. Remove the nine 10 mm bolts (534) from the oil transfer plate (956) and wire harness assembly (943).
  2. Remove the oil transfer plate (956).

    3. Object Number: 509552 Size: SH
  3. Disconnect the wire harness extension (943) from the wire harness assembly (12).

    4. Object Number: 509560 Size: SH

    Important: Do not reuse retainer (915), it must be replaced.

  4. Use a small screwdriver in order to disconnect the manual valve link retainer (915) from the manual valve link (913).

    5. Important: Do not pry against the internal mode switch assembly.

  5. Lift the manual valve and link assembly link (916) out of the inside detent lever (17).

    6. Object Number: 509566 Size: SH
  6. Remove the two 10 mm nuts (955) and the fourteen 10 mm bolts (958) from the lower control valve body assembly (903).
  7. Lift the lower channel plate, control valve body and accumulator assembly (903) and the lower control valve body wire harness extension (943) from the case as a single unit.