GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Water Pump Cleaning and Inspection

Water Pump Cleaning and Inspection for GMC Truck Envoy - 2WD 2006


    Object Number: 637680 Size: SH
  1. Remove all sealing material from the sealing surface.
  2. Inspect the water pump impeller for damage.
  3. Inspect the water pump shaft for looseness.
  4. Inspect the threads for damage.
  5. Replace the water pump if necessary.