GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Optra - Mexico 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - ZF 4HP 16 🢒 Converter Housing Installation

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1256037 Size: SH
  1. Install the line pressure measurement plug.

    2. Tighten
    Tighten the plug to 20 N·m (15 lb ft).


    Object Number: 1256036 Size: SH
  2. Install the baffle plate and the baffle plate bolts.

    3. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1256035 Size: SH
  3. Install the oil filter and the oil filter bolt.

    4. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  4. Install the paper gasket.
  5. Install the metal gasket.

    6. Object Number: 1256034 Size: SH
  6. Install the torque converter housing.
  7. Install the torque converter bolts and hand tighten in the following order: 7, 20, 12, 16, and 4.
  8. Final tighten the bolts.

    9. Tighten
    Tighten the bolts to 15 N·m (11 lb ft).

  9. Hand tighten the remaining bolts in the following order: 15, 3, 14, 5, 13, 22, 11, 21, 10, 9, 19, 8, 18, 17, 6, 1, and 2.
  10. Final tighten all the bolts.

    11. Tighten
    Tighten the bolts to 23 N·m (17 lb ft)