GM Service Manual Online
For 1990-2009 cars only

Battery Tray Replacement Gasoline Engines

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1255516  Size: SH
  1. Disconnect the negative battery cable.

  2. Object Number: 1255515  Size: SH
  3. Disconnect the positive battery cable.
  4. Remove the nuts from the battery rods that fasten the battery hold-down bar clamp.

  5. Object Number: 1255517  Size: SH
  6. Inspect the battery carrier tray for obvious cracks or damage.
  7. Detach the carrier tray if necessary by removing the battery carrier tray upper bolts, including the bolt of the battery terminal.
  8. Remove the battery carrier tray lower bolts.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1255517  Size: SH
  1. Install the battery carrier by fastening the carrier tray upper and the lower bolts.
  2. • Tighten the battery carrier tray upper bolts, including the battery terminal bolts to 20 N·m (15 lb ft).
    • Tighten the battery carrier tray lower bolts to 10 N·m (89 lb in).

    Object Number: 1255515  Size: SH
  3. Install the battery into the tray.
  4. Fasten the bar clamp to the battery by loosely attaching the battery rods from the battery tray cutouts through the bar clamp holes, and loosely tightening the nuts. Tighten the battery retainer clamp-to-battery rod nuts to 4 N·m (35 lb in).

  5. Object Number: 1255516  Size: SH
  6. Connect the positive battery cable.
  7. Connect the negative battery cable and tighten the cable nuts to 15 N·m (11 lb ft).

Battery Tray Replacement Diesel Engines

Removal Procedure


    Object Number: 1863881  Size: SH
  1. Remove the battery from the battery tray. Refer to Battery Replacement.

  2. Object Number: 1863882  Size: SH
  3. Remove the engine control module (ECM). Refer to Engine Control Module Replacement.
  4. Check the battery tray for obvious cracks or damage.
  5. Remove the battery tray retaining bolts.
  6. Remove the battery tray.

Installation Procedure


    Object Number: 1863882  Size: SH
  1. Install the battery tray.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the battery tray retaining bolts and tighten to 10 N·m (89 lb in).

  4. Object Number: 1863881  Size: SH
  5. Install the ECM. Refer to Engine Control Module Replacement.
  6. Install the battery. Refer to Battery Replacement.