Mechanics

HEATER PROBLEM

1992 Cadillac Seville • V8 FWD Automatic • 58,000 miles

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.
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Zylkowski11
December 5, 2010.



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.

Factoryjack
Dec 8, 2010.