I have a 98 blazer with some sort of a heater problem I think. It
makes a weird noise kind of like a sqeaking sound. The heater blows
hot air even if the air is on. It will sqeak, blow hot air, stop
sqeaking and blow cold air. It just keeps doing this over and over
again. Any ideas? I haven’t checked anything because I’m not sure what
to check. Any help would be appreciated. Thanks in advance.
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