1998 Cadillac El Dorado Heat Turned On Coming Only Through Vents Comes Out Two

1998 CADILLAC ELDORADO
105,000 MILES
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When I have the heat turned on and coming only through the vents, heat only comes out only from two on the driver side. The two on the passenger side blows out cold instead of warm. That's even when I have the passenger climate control set for heat. What would cause this? Please advise. Thank you.
Nov 18, 2012 at 3:02 PM
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ASEMASTER6371
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blend door motor may be bad. have it checked by a shop with a scan tool.

Roy
Nov 18, 2012 at 3:04 PM
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RONP7894
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Where is the blend door motor located at?
Nov 18, 2012 at 3:10 PM
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ASEMASTER6371
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under the dash attached to the heater case

Roy
Nov 18, 2012 at 3:13 PM
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RONP7894
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Is there a way I can check it to see if it needs replacing? Thank you.
Nov 18, 2012 at 3:19 PM
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ASEMASTER6371
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do you have a scan tool??

Roy
Nov 18, 2012 at 3:24 PM
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