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Chevy Lumina
Thermostats

How do you find and fix the thermostat on a 1992 Lumina minivan with a V-6 engine?

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2015-07-15 18:59:37
2015-07-15 18:59:37

It is in a housing in the engine end of the upper rad hose. Just take it out and when you go back with it make sure the spring goes toward the engine.

**Additional: The thermostat comes with a rubber ring to seat and seal the part into the counterbored holder. The paper gasket included with the thermostat should also be used as a spacer to maintain proper alignment of the pipe flange that is bolted over the thermostat. If the paper gasket is not used, the pipe flange will be bent into a slight arc because the rubber gasket is quite thick. Don't let the parts guy tell you that you don't need the gasket because of the O-ring. It's because of that O-ring that you do need the paper gasket.

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should be on right side, front of engine. at upper radiater hose, if not there check the thermostat housing!! on the 3.1 it is located by the ignition control module.

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The thermostat, on your 1992 Mazda, can be found on the front bottom portion of the engine. You can follow the water hose from the bottom of the radiator to the thermostat.

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Follow the lower radiator hose from the radatoro to the engine. The lower hose is attached to the thermostat at the engine. Are you haveing problems with the engine warming up but the heat not blowing as hot as it should? Consider the heater core.

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Follow the top radiator hose back to the engine, the part that is at the end of the hose (engine side) is the thermostat.


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