There is, I think, a TSB on this condition that says the temp control door inside the dash air box warps over time and causes it. Common problem. The culprit is a design flaw in the temp controller, admitted by a GM engineer I spoke with. The sensor gets "confused" with the temperature in the car and decides the driver needs heat. The system diverts a flap that routes warm air and AC to the driver, while the passenger side gets only AC. If you can stand it, the system usually adjusts correctly after several minutes. There are several reset sequences floating around the net, such as pulling fuses, disconnecting the battery, leaving doors open, etc.. None of these worked for me. I have found that avoiding the "auto" setting by turning on the system by first hitting the outside air button, then the ac, then adjusting the fan brings the system up correctly, especially on a hot day (thank goodness). Make sure the driver temp is turned to 60
The heater coil is leaking. Water from the cooling system runs through the heater coil to heat the passenger compartment. Antifreeze is corrosive, some heater coils are thin.
The heater blower is located inside the passenger compartment just above the passenger side floorboard. If your seated in the passenger seat, look directly above your left foot.
If the heater still works the bulb is just burn out. I doubt you can change the light you will have to replace the switch.
In a 2001 Oldsmobile Intrigue, the heater motor is located inside the passenger compartment, typically behind the dashboard on the passenger side. To access it, you may need to remove the glove compartment and some panels. The heater motor is part of the HVAC (heating, ventilation, and air conditioning) system, usually mounted on the firewall. Make sure to disconnect the battery before attempting any repairs for safety.
it's on the outside on the passenger side.near the heater core hoses.
You will need to remove the water supply hoses from your 1998 Oldsmobile Intrigue heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
Wet foot in driver area means leaking heater coil. The heater coil unit is usually at the center of the front of the passenger compartment, behind the dash and very close to the floor. Heated radiator water passes through this unit and your vent system and fan are used to force air across this to heat the air in the passenger area.
In line on the heater hoses on the passenger side of the engine. Has a small vacuum line to it and both heater hoses go through it. The heater hoses are smaller than the radiator hoses and go through the firwall.
The heater core is located on the passenger side, not the drivers side. You do not have to remove the steering column or any parts around it.
Has a bad blend doot actuator. It is under the dash near the ducts, and it looks very hard to change.
I have the same problem with my 95 olds 98 regency, did you find anything out?
heater core leaking