1997 Pontiac Bonneville "heater control" Questions

control head and thermostat, heater core is good , there is hot air at the blower motor This is usually caused by a control door inside the housing for the heater. Sometimes pens or other obstacles go

...heater control area then you will have to make sure visually that the temperature door is moving it`s full movement and staying there.there could be a problem with the cable being kinked or bent.if ...

...heater core depending on the temp setting on your electronic climate control unit. if it has failed, it will be stuck at the temp that it was last set at when it quit working. it is also possible the ...

...heater/AC control or the associated sensors have a problem. The other required part of the system are the heater resistors. These allow for speed control. They could cause intermittent behavior, but ...

...heater a/c control panel . Yes - Go to Step 7 No - Go to Step 10 The instrument panel module (IPM) communicates with the heater and A/C control via the keyboard display driver (KDD) data bus. This ...

heater fan switch removal Remove dash trim covering heater a/c master control switch,and 4screws holding control switch to dash

probably below and to the right of the heater/ac control head. Probably electrically controlled, the pod delivers vacuum signals through several hoses to little canisters that operate the heater doors

...heater control valve...) Does the temperature gauge reach normal (1/2 way) temps? Check to see if the control valve is working. Here's one way to do it. On the passengers side, remote the lower panel ...

...won't work bug the AC works perfect what can be the problem The heater core can be plugged. The control valve that regulates the amount of water that enters the core can be plugged or

...to the heater core Refill the cooling system. Connect the negative battery cable. Operate the engine to normal operating temperatures; then, check the climate control operation and check for