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msmith1825 12/17/2012
1993 Geo Storm Base 4 Cyl 1.6L - Engine
Have heat when idling. When driving lose heat and temp gauge drops. Antifreeze level OK. New thermostat.
1 Answer
  • kymzin4
    kymzin4 12/21/2012
    Try looking underneath the glove box for plastic boot with foam on either end> It fits between the heater console and the vents. If this has been displaced by a passenger accidentally kicking it, it will let cold air from the outside directly in to the passenger compartment. Re-align the boot and see if this is what your experiencing.

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