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1994 Buick Century heater

Tiny
TIMMESSINA
  • MEMBER
  • 1994 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 68,000 MILES
I just replaced the thermostat on my friends car and now the heat doesnt work it just blows out cold I know that I installed it correctly cause he was right next to me the entire time and verified that I did the heat worked before he brought the vehicle to me and I cant think of what would be wrong with it
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Saturday, February 14th, 2009 AT 8:16 PM

8 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Is coolant filled properly and with correct coolant?
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Saturday, February 14th, 2009 AT 8:21 PM
Tiny
TIMMESSINA
  • MEMBER
  • 10 POSTS
He took it home and called me later sayin that he filled it and that the heat doesnt work after I finished installing and putting in what little coolant he had with him he also said that the temp guage was rising rly quickly
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Saturday, February 14th, 2009 AT 8:25 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
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Sounds like the thermostat is stuck closed or is installed backwards. You are certain that the thermostat was installed in the correct direction?
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Saturday, February 14th, 2009 AT 8:28 PM
Tiny
TIMMESSINA
  • MEMBER
  • 10 POSTS
I know the thermostat moved when it was out of the car and I know that I installed it with the actual thermostat facing towards the engine and the nipple looking end facing the housing
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Saturday, February 14th, 2009 AT 8:33 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Should look like the picture below..


https://www.2carpros.com/forum/automotive_pictures/261618_0900c15280216410_4.jpg



Was it installed like that?
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Saturday, February 14th, 2009 AT 8:45 PM
Tiny
TIMMESSINA
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Yes it was
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Saturday, February 14th, 2009 AT 8:53 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
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Ok, since it is installed correctly I would suggest bleeding the air out of the system from the installation. You should be able to run the car with the radiator cap off and when the thermostat opens, it will suck in the coolant and then top it off. Either that or there is sometimes a bleeder screw atop the thermostat housing for bleeding.
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Saturday, February 14th, 2009 AT 8:57 PM
Tiny
TIMMESSINA
  • MEMBER
  • 10 POSTS
I think thats it he didnt know what bleeding the system even was when I just asked him so im gonna do that tomorrow and get back to u
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Saturday, February 14th, 2009 AT 9:01 PM

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