GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Engine 🢒 Engine Electrical 🢒 Drive Belt Idler Pulley Replacement - Upper

Removal Procedure

    Object Number: 327021 Size: SH
  1. Remove the supercharger drive belt. Refer to Drive Belt Replacement.

    2. Object Number: 370453 Size: SH
  2. Remove the idler pulley bolt.
  3. Remove the drive belt idler pulley.

Installation Procedure

    Object Number: 370453 Size: SH
  1. Install the drive belt idler pulley.

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

  2. Install the idler pulley bolt.

    3. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).


    Object Number: 327021 Size: SH
  3. Install the supercharger drive belt. Refer to Drive Belt Replacement.