GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 Transmission/Transaxle 🢒 Automatic Transmission - ZF 4HP 16 🢒 Transmission Rear Cover Replacement

Removal Procedure

    Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1255951 Size: SH
  1. Remove the valve body assembly. Refer to Control Valve Body Replacement .
  2. Pull out the sealing sleeve (Brake C) using a nail.
  3. Turn the transaxle by 90 degrees.

    4. Object Number: 1255980 Size: SH
  4. Remove the rear cover bolts.
  5. Loosen the cover by tapping firmly on the side of the cover.
  6. Remove the cover.

Installation Procedure

    Object Number: 1255980 Size: SH
  1. Install the rear cover.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the rear cover bolts.

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


    Object Number: 1255951 Size: SH
  3. Turn the transaxle by 90 degrees.
  4. Install the sealing sleeve (Brake C).
  5. Install the valve body assembly. Refer to Control Valve Body Replacement .