GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 Engine 🢒 Engine Mechanical - 4.6L 🢒 Drive Belt Idler Pulley Replacement

Removal Procedure

    Object Number: 1660277 Size: SH
  1. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  2. Loosen the drive belt idler pulley bolt.
  3. Remove the drive belt idler pulley.

Installation Procedure

    Object Number: 1660277 Size: SH
  1. Position the drive belt idler pulley to the engine and finger starter the pulley bolt.

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

  2. Tighten the drive belt idler pulley bolt.

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

  3. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .