GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Drive Belt Idler Pulley Replacement

Removal Procedure
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation .

    3. Object Number: 748065 Size: SH
  3. Remove the drive belt idler pulley bracket bolts from inside the left wheel house opening.
  4. Lower the vehicle.
  5. Remove forward bolt of the drive belt idler pulley bracket from inside the engine compartment.
  6. Remove the drive belt pulley from the vehicle.

Installation Procedure

    Object Number: 748065 Size: SH
  1. Install the drive belt pulley bracket and the forward bolt of the idler pulley bracket from inside the engine compartment.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

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

  3. Install the drive belt idler pulley bracket bolts from inside the left wheelhouse opening.

    4. Tighten
    Tighten the drive belt idler pulley bracket bolts to 50 N·m (37 lb ft).

  4. Install the left front wheel. Refer to Tire and Wheel Removal and Installation .
  5. Lower the vehicle.
  6. Install the drive belt. Refer to Drive Belt Replacement .