Corvette 1997-2005

Removal & Installation

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  1. Drain the cooling system.
  2.  
  3. Reposition the outlet hose clamp at the water pump inlet.
  4.  
  5. Remove the outlet hose from the water pump inlet.
  6.  
  7. Remove the water pump inlet bolts.
  8.  
  9. Remove the water pump inlet.
  10.  
  11. The O-ring seal is integral to the thermostat housing.
  12.  
  13. Remove the thermostat housing.
  14.  

To install:

  1. Install the thermostat housing.
  2.  
  3. Ensure the thermostat housing has an O-ring seal and is in the groove correctly.
  4.  
  5. Install the water pump inlet (with thermostat).
  6.  
  7. Install the water pump inlet bolts and tighten to 11 ft. lbs. (15 Nm).
  8.  
  9. Install the outlet hose to the water pump inlet.
  10.  
  11. Position the outlet hose clamp at the water outlet.
  12.  
  13. Fill the cooling system.
  14.  


NOTE
The engine cooling system thermostat and water pump will not function correctly if oil is present in the cooling system. The cooling system MUST be flushed, the water pump and thermostat replaced if oil is found in the cooling system

  1. Drain the cooling system.
  2.  
  3. Reposition the outlet hose clamp at the water pump inlet.
  4.  
  5. Remove the outlet hose from the water pump inlet.
  6.  
  7. Remove the water pump inlet bolts.
  8.  
  9. Remove the water pump inlet.
  10.  
  11. The O-ring seal is integral to the thermostat housing.
  12.  
  13. Remove the thermostat housing.

    Click image to see an enlarged view

    Fig. Thermostat housing mounting location

  14.  

To install:

  1. Install the thermostat housing.
  2.  
  3. Ensure the thermostat housing has an O-ring seal and is in the groove correctly.
  4.  
  5. Install the water pump inlet (with thermostat).
  6.  
  7. Install the water pump inlet bolts and tighten to 11 ft. lbs. (15 Nm).
  8.  
  9. Install the outlet hose to the water pump inlet.
  10.  
  11. Position the outlet hose clamp at the water outlet.
  12.  
  13. Fill the cooling system.
  14.  
  15. Start the vehicle and check for leaks.
  16.  

 
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