Question about 1993 Nissan Maxima
If the hoses to your heater core (pass through the firewall on the passenger side) are hot (both), there is a blend door malfunction-it may be as simple as a leak in the vacuum hose that controls the door's movement or it could be the door itself is jammed-that can be checked manually by looking underneath the glovebox and seeing if you can move the door. Also note the heater control unit itself-when you move the control from cold to heat, does it feel the same as before? Don't rule out a blockage in the heater core itself, after warming the car up, check that all hoses are getting warm, if they are the problems is in the heater controls themselves.
Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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