Question about 2005 Chevrolet Avalanche
If thermostat or water pump has problem, they have same effect, overheating. but you should remove first the thermostat. this is the easy part of the system you can find if your water pump is deffective. if found dont have flow coming out from upper hose(hose that connects between the radiator and the engine) then it may say the water pump is deffective. since the thermostat already removed, change it.
Posted on Feb 13, 2012
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Posted on Jan 02, 2017
Tips for a great answer:
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Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. Specific instructions from autozone.com for your car are pasted below. If you get stuck, please get back to me.
Fig. Remove the thermostat
Fig. Install the thermostat housing to water pump feed pipe
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