GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 Engine 🢒 Engine Mechanical - 3.7L 🢒 Drive Belt Idler Pulley Replacement

Removal Procedure

    Object Number: 1350687 Size: SH
  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. Remove the left front wheelhouse liner. Refer to Wheelhouse Panel Replacement .
  4. Drain the engine cooling system. Refer to Cooling System Draining and Filling .
  5. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  6. Remove the drive belt idler pulley bolts.
  7. Remove drive belt idler pulley.

Installation Procedure

    Object Number: 1350687 Size: SH
  1. Position drive belt idler pulley to the engine.

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

  2. Install the drive belt idler pulley bolts.

    3. Tighten
    Tighten the bolts in sequence to 50 N·m (37 lb ft).

  3. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  4. Install the left front wheelhouse liner. Refer to Wheelhouse Panel Replacement .
  5. Install the left front wheel . Refer to Tire and Wheel Removal and Installation .
  6. Fill the engine cooling system. Refer to Cooling System Draining and Filling .
  7. Install the drive belt. Refer to Drive Belt Replacement .