GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 886646  Size: SH
  1. Remove the battery. Refer to Battery Removal .
  2. Separate the coolant tank hose from the underhood fuse box (UHFB) cover.
  3. Release the tabs on each end of the UHFB and roll towards the engine.
  4. Remove the bolt securing the UHFB to the battery tray.
  5. Separate the UHFB harness from the harness loops on the body.
  6. Remove the negative battery cable from the chassis stud on the sheet metal.
  7. Remove the bolts and nuts securing the battery tray to the chassis.
  8. Lift the UHFB and remove the battery tray.

Installation Procedure

  1. Lift the UHFB and position the battery tray on the studs.
  2. Install the bolts and nuts.
  3. Tighten
    Tighten the battery tray fasteners to 15 N·m (11 lb ft).

  4. Install the negative battery cable on the chassis stud.
  5. Tighten
    Tighten the negative battery cable to chassis to 12.5 N·m (9.5 lb ft).

  6. Fasten the UHFB harness in the loops.
  7. Install the bolt securing the UHFB to the battery tray.
  8. Roll the UHFB towards the fender and snap the tabs.
  9. Install the coolant tank hose on the UHFB cover.
  10. Install the battery. Refer to Battery Installation .