GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Cooling Fan Pulley Replacement

Removal Procedure

    Object Number: 1334862 Size: SH
  1. Remove the fan clutch. Refer to Fan Clutch Replacement .
  2. Disconnect the camshaft position (CMP) sensor electrical connector.

    3. Object Number: 1334864 Size: SH
  3. Remove the fan pulley bolts/nuts.
  4. Remove the fan pulley.
  5. Remove the insulator, if required.

Installation Procedure
  1. Install the insulator, if removed.

    2. Ensure the insulator is correctly placed.

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1334864 Size: SH
  2. Install the fan pulley.
  3. Install the fan pulley bolts/nuts.

    4. Tighten
    Tighten the bolts/nuts to 41 N·m (30 lb ft).


    Object Number: 1334862 Size: SH
  4. Connect the CMP sensor electrical connector.
  5. Install the fan clutch. Refer to Fan Clutch Replacement .