Question about 1991 Toyota Pickup
After I had my engine rebuilt, I noticed the heater fan started marking noise. Around the same time the fan switch became sporadic. Sometimes turning the fan on and other times no response at all. It seems to me that now when the fan does come on it does not produce the volume of air movement it used to. My question is: I would assume the noisy fan and non working switch are NOT related...is that true?
I can see how the fan is replaced,I have a Haynes manual that describes that process, but I am uncertain how to access the fan switch. That whole getting into the dash and what is the "finish trim" can be unforgiving when too much pressure is applied.
The switch has over heated and burned up the high settings. When you turn the fan on, the preset positions are between contacts in the switch, causing the fan relay to "bounce". Replace the switch, they are not cheap because the come from toyota not the after market, about $90.
Posted on Dec 15, 2008
Sounds like the fan is going out. Perhaps something got dropped down a vent and hitting the blades and maybe even jamming them from time to time. Paper, cigarrette, nut, bolt? Take the fan out hook the wires, red, black to battery power and see how it operates. Sometimes the bearing in the back drys up and a little spray lubricant does wonders.
Posted on Aug 12, 2008
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Posted on Jan 02, 2017
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