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Thermostat located

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Hello everybody I would like to replace my thermostat on 2007 GMC Savana 3500 6.6 Duramax. I would like to get help if one of you know where thermostat located?? I loooked at you tube but I am not sure will be the same most of them in you tube are pick up trucks. Thank you very much in advance.

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  • 2 weeks later...

DONE..... 1. open the air filter 2. open radiator cover 3. open alternator and follow the top radiator line to the bottom and you will see the thermostat housing. on 6.6 L duramax diesel has 2 thermostat 1 in the front the 2 nd in the back. make sure when you put the 2nd thermostat must be the same position before you took it of because 2nd thermostat has 2 hole and that hole must be in the same position.

It was pain job just take your time :thumbs:

Don't forget check your idler pulley might need to change :smoker:

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