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vacuum leak or check valve?
Posted by Greg (more from Greg) on Thu, 20 Jun 2002 15:46:30
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I have a 1990 900 Convertible that has an odd heater fan issue. When the turbo is providing boost the airflow through the heater is dramatically reduced. This sounds like a vacuum leak but the car starts and idles fine and the vacuum hoses seem fine. I read about a check valve going bad but can’t seem to find it. Is this the problem and if so where is it at?
Thanks,
Greg
Currently 90 900 Convert
Previously 65/67/69-96 72-95 85/87/88 900
posted by 64.195.248...
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