heater problem

1992 CADILLAC SEVILLE
58,000 MILES • V8 • FWD • AUTOMATIC
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ZYLKOWSKI11
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1992 cadillac seville heating problem, cold on one left side and warm on right side, vents are working properly I think, but found mouse turds under drink holder, there's no codes showing for programer, would it be possible to see an exploded view of venting system.
Dec 5, 2010 at 4:32 AM
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FACTORYJACK
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It is a single zone heating system, you should have little difference if any, side to side. I would suspect a thermostat open, or improperly regulating, or possibly a restricted heater core.
Dec 8, 2010 at 6:39 AM