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Old 05-29-2002, 08:10 PM
euro 287 euro 287 is offline
Senior Member
Join Date: Apr 2001
Location: Baton Rouge
Posts: 485
If you grab the low side outside under the hood and it is cold but not inside the car , you either have a heater mono valve problem or fresh air doors wide open.Usually fresh air doors wide open you will also have a/c blowing from defrost due to actuator problems. First pinch off the heater lines with a pair of needlenose vise grips.If no effect than put the car on recirculate mode and then remove glove box and see if the fresh air doors are closed.
euro 287
Mercedes Technician 7 Years (retired to Hyundai)
2000 Dodge Durango
98 Mazda truck
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