GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 Montana SV6 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Water Pump Replacement

Removal Procedure

    Object Number: 1557687 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling
  2. Loosen the water pump pulley bolts.
  3. Remove the drive belt. Refer to Drive Belt Replacement
  4. Remove the water pump pulley bolts and pulley.

    5. Object Number: 1557689 Size: SH
  5. Remove the water pump bolts, pump, and gasket.
  6. Clean the water pump mating surfaces.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1557689 Size: SH
  1. Install the water pump gasket and pump.
  2. Install the water pump bolts and tighten to 10 N·m (89 lb in) .

    3. Object Number: 1557687 Size: SH
  3. Install the water pump pulley and bolts until snug.
  4. Install the drive belt. Refer to Drive Belt Replacement
  5. Install the water pump pulley bolts and tighten to 25 N·m (18 lb ft) .
  6. Fill the cooling system. Refer to Cooling System Draining and Filling
  7. Inspect for leaks.