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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 790 (Engine Mechanical - 2.0L) >> Repair Instructions - Off Vehicle >> Water Pump Installation

Water Pump Installation

WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Prior to installing the water pump, read the entire procedure. Pay special attention to avoid part damage and to ensure proper sealing.
    Fig 1: View Of Water Pump Assembly
    GM1769804Courtesy of GENERAL MOTORS CORP.
  1. Install the water pump assembly.
    2. IMPORTANT: Do not install the front water pump bolt until after the engine front cover is on.
  2. Install the water pump bolts. Finger tighten the bolts.
    3. NOTE: Refer to Fastener Notice .
  3. Tighten the water pump bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  4. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the water pump drain plug.
  5. Install the water pump drain plug, if necessary.

    Tighten:  Tighten the water pump drain plug to 20 N.m (15 lb ft).

    6. Fig 2: Identifying Radiator Outlet Pipe
    GM1769795Courtesy of GENERAL MOTORS CORP.
  6. Install the water feed tube.
  7. Lubricate the feed tube O-ring with antifreeze.
  8. Install the water feed tube by twisting and pushing toward the water pump. Take care not to tear or damage the O-ring.
  9. Install the thermostat housing to block bolts and stud.

    Tighten:  Tighten the thermostat housing bolts to 10 N.m (89 lb in).

    10. Fig 3: Locating Engine Coolant Temperature Sensor
    GM1769761Courtesy of GENERAL MOTORS CORP.
  10. Install the engine coolant temperature sensor by hand.
  11. Tighten the engine coolant temperature sensor.

    Tighten:  Tighten the engine coolant temperature sensor to 20 N.m (15 lb ft).

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