heat from passenger side only

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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, heat from passenger side only in Past Cadillac Vehicle Discussion; there are a few guys with the same problem . I have a 91 deville and im getting heat from ...
  1. #1
    wrench is offline Cadillac Owners Member
    Join Date
    Nov 2003

    heat from passenger side only

    there are a few guys with the same problem . I have a 91 deville and im getting heat from the passenger side heater and defroster and cool from the drivers side iv checked the mix door and all the other doors as well.all accuators are working.im wandering if the heater box is divided at the heater core to two sections right and left.have searched all the forums and cant find anything.this problem just started.

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  3. #2
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
    Join Date
    Jan 2003

    Re: heat from passenger side only

    Take a gander at this.....


    He is changing his heater core today, and will be posting a writeup with pictures.......

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