GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Envoy - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.2L 🢒 Engine Coolant Thermostat Housing Removal

    Object Number: 637656 Size: SH
  1. Remove the thermostat housing bolts.
  2. Remove the thermostat housing.