I want to change the AIR BOX THERMOSTAT. Flap inside is barely open in the warm 80 degree temp.
Do I just grab and pull straight up on the old Thermostat? Then press the new one in by hand?
Or do I have to remove the whole AIR BOX and maybe depress the spring I see inside to remove?
Cannot find that much info on Google concerning this procedure. (1991 VOLVO 240).
Many thanks for any info.
norge777
1991 volvo 240 Air Box Thermostat?
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jimmy57
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The airbox thermostat when functioning properly will have no effect on you in FL. It is supposed to close at 50F so that unheated air is admitted. I would not spend the money. Pop it out and fasten door closed to the hot air hose fitting with a sheetmetal screw or drywall screw. The risk to Mass Airflow Sensor is not worth it when it does no good for preventing throttle freezing and reducing emissions.
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