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Where is the thermostat located on a 1991 Geo Prizm?

dsbg06kdsbg06k Member Posts: 2
edited March 2017 in Chevrolet
I have to replace the thermostat on my 1991 Geo Prizm. I believe the car model is the same for years 1989 - 1992.


  • PF_FlyerPF_Flyer Member Posts: 9,372
    According to what I found oniline, it's under the lower engine radiator hose housing under the distributor
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Kinda hard to get to, right under the distributor. You should remove your air filter housing to give you some room.
  • dsbg06kdsbg06k Member Posts: 2
    Thank you for your answers. My air filter housing has wires running across the top of it. Do these disconnect easily? The Geo is basicly a Toyota Corolla. I found a you tube video for a Toyota Corolla for these same years. It does seem to take some work to remove the thermostat. According to the video, it is a 3 out of 4 in difficulty. But in that video, I did not see the same wires on top of the air filter housing.
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