GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  1. Disconnect the negative battery cable.
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement .
  3. Place a jack under the engine. Be sure to place a block of wood between the jack and the engine.
  4. Remove the right side engine mount. Refer to Engine Mount Replacement .
  5. Using the jack, raise the engine assembly.

  6. Object Number: 234378  Size: SH
  7. Remove the lower drive belt tensioner bolt (6).
  8. Remove the upper drive belt tensioner nut and slide the assembly off the stud.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 234378  Size: SH
  1. Install the drive belt tensioner.
  2. Tighten

        • Tighten the lower tensioner bolt (6) to 69 N·m (51 lb ft).
        • Tighten the upper tensioner nut to 29 N·m (21 lb ft).
  3. Lower the engine assembly enough to position the right side engine mount in place.
  4. Install the right side engine mount. Refer to Engine Mount Replacement .
  5. Remove the jack.
  6. Install the accessory drive belt. Refer to Drive Belt Replacement .
  7. Connect the negative battery cable.
  8. Tighten
    Tighten the bolt to 15 N·m (11 lb ft).