Cobalt L4-2.2L (2008)
Water Pump: Service and Repair
Water Pump Replacement
Tools Required
J 43651 Water Pump Holding Tool
Removal Procedure
1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (RPO L61) (See: Thermostat Housing/Service and
Repair)Engine Coolant Thermostat Housing Replacement (RPO LE5) (See: Thermostat Housing/Service and Repair) .
2. Remove the water pump access plate from the front cover.
3. Remove the right hand fender liner. Refer to Front Fender Liner Replacement .
Important: A drain plug has been provided at the bottom of the water pump assembly for additional coolant drainage from the engine
block and water pump.
4. Drain the coolant from the water pump using the plug at the bottom of the pump.
