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I posted a question yesterday but did not get an answer back. Could you help me. I ask the question, concerning why the heater blower did not work on my 1991 Buick Park Avenue. I posted my e-mail: [email protected] Could you please reply. Thank you. Don Smith
Re: I posted a question yesterday but did not get an...
What have you checked? fuses ? blower? does it have manual a/c? Auto a/c? turn it on and give the motor a few raps, if it starts to work, the motor is bad.
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The heater and a/c system have several components as the control switch, the relay, the blower resistor and then the blower. First, you will need to test power at the blower when this happens to see if the blower motor is receiving power or not to determine if this is a blower motor issue or a power supply issue to the motor first.
This is common, the problem is the blower resistor, this is what controls the speeds of the blower, this is located next to the blowermotor, if you grab the wires at the blower and follow them they will lead you to the resistor, its screwed into heaterbox, but if this a van then its located under the hood on the rear firewall, this picture will help you locate it, it will be the only part like it on the firewall going into heaterbox, heres a picture of it good luck and i hope this is helpful.
I hope this will help you, Was thinking of the blower resistor that control the different speeds and most of the time they were recalls. Just go back to the dealer and see if your covered.
If not i'ld take a close look at the switch and then the Resistor and if you need to know where it is, just ask the guy's at the dealer. Most of the time it's not to far from the blower motor.
The blower speed controller is located under the hood on the right or passenger side on the heater housing just to the side of the heater hoses near the very back of the right cylinder head.
Yes that would cause the concern you are having.
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