Question about 1993 Toyota Pickup

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'93 toyota truck heater and ac switch stuck on high, will not move to lower speeds or shut off. Can I fix it and how?

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Best bet is go to a junk yard and pull one apart that will tell you if you can do itif it is the cable operated one then its stuck you might be able to lube to get loose. als remove the cable off of the heater water switch inside the engine compartment and see if it will move, if it does then it's the water valve thats bad.

Posted on Nov 12, 2009

Testimonial: "thank you."

  • Bruce Hathcock Dec 24, 2009

    Your welcome the water valve is not hard to replace, you have to do it when the engine is cold and open the hood and find the two hoses running threw the firewall they are 3/4 and 5/8 in in diameter you will find the water valve on the passenger side closet to the fire wall, the cable will look like a lawn mower cable and is looped on the end just remove the loop and undue the two hose clamps and you can replace it, it's about 15 dollars, Or you could buy the same size pipe fitting and replace it with a short pipe nipple if your low on cash, problem is you will have hot air all the time and adjusting these cars so the windows don't fog up is a art and a science.

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1 Answer

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