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GM-Frank
GM-Frank, ASE Master Certified
Category: Chevy
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Experience:  37 Years Automotive Diagnosis and Repair. 25 Years of General Motors Dealer Experience
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Location of thermostat for 2005 chevy malibu with 2.2 liter engine

Resolved Question:

location of thermostat for 2005 chevy malibu with 2.2 liter engine
Submitted: 8 years ago.
Category: Chevy
Expert:  GM-Frank replied 8 years ago.

 

HelloCustomer

 

You are correct, if the thermostat is stuck in the opened position, then your heater may take forever to get warm.

 

Thermostat Full Open Temperature 195 degrees

 

One thing you may want to do before you go with a new thermostat. is to simply allow the engine to reach it's operating temp and feel the heater hoses where they enter the heater core at the firewall. Both hose should be very hot to the touch.

 

Here's a location: This graphic only shows one of the hoses.

 

graphic

 

 

Notice: The thermostat will not function correctly once it is contacted by oil. If oil is found in the cooling system, it must be flushed and the thermostat replaced.

 

graphic

Remove the thermostat housing to water pump feed pipe bolts.

 

graphic

Remove the thermostat housing to water pump feed pipe.

 

graphic

  • Remove the thermostat and retaining sleeve, noting orientation for installation.
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    I hope this information helps.

     

    Take Care

     

    Frank

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