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Re: heat only comes on once in a while on my 1991 camaro
Try flushing out the heater rad with a hose first ,if this doesnt work then look at the flap controls ,particually the thin vacumn pipes that run to the control units that open and close the vent flaps .Have you checked the coolant level in the radiator¿¿?
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I don't know about the older panels, but on newer ones, remove the IP, turn it clockwise and let the needle come around to 0 Plug it back in and check before you reassemble. if it doesn't work replace the TAC electric motor.
My name is Chuck and I'd like to help you figure this out. The smell you have,is it a sweat smell? When you turn on the defroster,does steam form on the inside on the glass?Have you noticed the cooling system level going down? Or is the floor wet on the passenger side?If you are experiencing any or all of this,you have a leaking heater core.
Let me know if this is what you are experiencing and if you want information on how to replace it. Thanks,Chuck
vauum leak is what is goin on. you need to make sure vacuum line going in for vent controls is not cracked or broken under the hood before it goes in to controls. hopefully it is on the outside andnot under dash
1991-92 Chevrolet Camaro Stereo Wiring
4" x 6" Dash
Left Front (+)
Left Front (-)
Right Front (+)
Right Front (-)
6" x 9" Side Panels
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
Light Blue hope this helps
I see this was asked years ago but never answered. So for the future questions about this,
The doors and roof panels on 4th Gen F-bodies are SMC (Sheet Molded Compound), a form of fiberglass. The skin is glued on. To remove a glued on panel use either a heat gun or a plumbers torch (Map Gas). Heating around the skin where the panel is bonded to the inner structure will break down the adhesive. Be careful not to burn the SMC away in a fire (heat guns are safer than the torch). Where you start, insert a putty knife to lightly pry the skin off as you heat the area.