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  #1  
Old 04-14-2011, 01:05 PM
Gumcrew2 Gumcrew2 is offline
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Join Date: Feb 2011
Posts: 287
Default Temp Control Switch, No Resistance

My truck has no air conditioning from the factory. The temperature switch goes from cold-warm like any other though. And essentially changes the temperature from "kinda warm" to "effin hot".

The switch never goes all the way left to cool, it stops/bottoms out about 1/2" away. I figure that makes since for no A/C.

Today I turn the heat on to get the 2" of snow off my truck and when I slide the switch it just goes smooth with absolutely no resistance from one side to the other.

Temp still seems to function as normal for not having, it's either warm or reallllly hot.
I have always had air come through the system (in small amount) even when turned all the way off. Always annoyed me, still happens now. Fan still works the same.

Did I break something? Does it even matter?
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'83 Ford Ranger 2.3L 4Spd, Dual Tanks, 195/60R15's, Welded Rear End TOTALLED AT 483,211 MILES
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  #2  
Old 04-15-2011, 08:51 AM
Nitrofan1 Nitrofan1 is offline
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Join Date: May 2009
Posts: 90
Default Re: Temp Control Switch, No Resistance

The small amount of air is normal. Even though trucks are nice they were not built "air tight". On the temperature side the selector should slide completely one side to the other. I'd gather your slider's cable is dirty / rusty. You may need to pull the HVAC panel to access it. Check for dirt or kinks that will prevent it from sliding all the way to cool. If it's clean and normal looking lube it with some white lithium grease and work it back and forth. Hopefully it will loosen up a bit.

The sad part will be if it works it'll get a bit cooler but Ford never designed a fresh air system that didn't get engine heat though the vents
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94 Splash 2WD, 5sp, 4.0L, Custom paint, Black-n-Red interior, Lots of go fast goodies!

93 XLT Ext Cab, 4x4, A4LD, Cayman Green / Tan, More or less stock for now.
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  #3  
Old 04-15-2011, 06:22 PM
Gumcrew2 Gumcrew2 is offline
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Join Date: Feb 2011
Posts: 287
Default Re: Temp Control Switch, No Resistance

So is there ANY way to stop constant air flow through the vents?

Or would I have to litterally open up the dash and find the main vent tube and put a ball valve on it
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'83 Ford Ranger 2.3L 4Spd, Dual Tanks, 195/60R15's, Welded Rear End TOTALLED AT 483,211 MILES
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  #4  
Old 04-15-2011, 08:13 PM
Nitrofan1 Nitrofan1 is offline
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Default Re: Temp Control Switch, No Resistance

If you try to block up the air flow you will almost kill the flow through the vents. You can take apart the venting system and seal around everything but one of the reasons for the constant flow is humidity. If your can is totally sealed and it rains you'll have fog from hell on your windows.
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94 Splash 2WD, 5sp, 4.0L, Custom paint, Black-n-Red interior, Lots of go fast goodies!

93 XLT Ext Cab, 4x4, A4LD, Cayman Green / Tan, More or less stock for now.
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