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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 776 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the coolant pump gaskets.
  2. Install the coolant pump.
  3. Install the four bolts retaining the coolant pump. Tighten the bolts to 45 N.m (33 lb ft).
  4. Connect the coolant bypass hose and clamps.
  5. Connect the radiator outlet hose to the coolant pump. Refer to Radiator Hose Replacement - Outlet .
    Fig 1: Radiator Outlet Hose
    G02503196Courtesy of GENERAL MOTORS CORP.
  6. Install the coolant pump pulley and the bolts. Tighten the coolant pump pulley bolts to 25 N.m (18 lb ft).
  7. Install the fan and fan blade clutch assembly. Refer to Fan Replacement .
  8. Install the drive belt.
  9. Install the upper fan shroud and the bolts. Refer to Fan Shroud Replacement - Upper .
  10. Install the Mass Air Flow (MAF) sensor.
  11. Install the air cleaner assembly.
  12. Refill the radiator with coolant. Refer to Draining & Filling Cooling System .
  13. Start engine. After engine reaches normal operating temperature, check for coolant leaks.