From the 2009 Aveo Service Manual

Coolant Pump Replacement (1.4L LDT/1.6 LXV)

Special Tools

  • EN-48356 Engine Fixture
  • EN-49201 Water Pump Pulley Remover/Installer

Removal Procedure


  • Drain the coolant. Refer to Cooling System Draining and Filling.
  • Remove the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT .
  • Remove the RH head lamp assembly. Refer to Headlamp Replacement (Notchback) or Headlamp Replacement (Hatchback) .Fig. 13: WaterPump Pulley Retaining Bolts
    Courtesy of GENERAL MOTORS CORP.
  • Disconnect the A/C pipe retainer and move the A/C pipe.
  • Remove the water pump pulley retaining bolts using EN-48356: fixture.
  • Remove the accessory belt. Refer to DRIVE BELT REPLACEMENT .
  • Fix the engine using EN-48356: fixture.
  • Remove the engine mount.Fig. 14: WaterPump & Retaining Bolts
    Courtesy of GENERAL MOTORS CORP.
  • Remove the water pump pulley.
  • Remove the water pump retaining bolts (1).
  • Remove the water pump (2).
  • Remove the ring seal from the water pump.
  • Inspect the water pump for cracks, leaks or abnormal noise.
  • Cleaning the mating surfaces of the water pump and the cylinder head.

Installation Procedure


  • Fig. 15: WaterPump & Retaining Bolts
    Courtesy of GENERAL MOTORS CORP.
  • Install a new ring seal to the water pump.

    [TD="class: clsCautionLabel"]CAUTION:[/TD]


    Refer to Fastener Caution .
  • Install the water pump (2) to the engine front cover.Tighten: Tighten the water pump retaining bolts (1) to 10 N.m (89 lb in).
  • Install the water pump pulley.
  • Install the engine mount.
  • Install the accessory belt. Refer to DRIVE BELT REPLACEMENT .
  • Connect the A/C pipe retainer and fix the A/C pipe.
  • Install the RH head lamp assembly. Refer to Headlamp Replacement (Notchback) or Headlamp Replacement (Hatchback) .
  • Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY REPLACEMENT
  • Refill the engine cooling system. Refer to Cooling System Draining and Filling.