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  #16  
Old 09-26-2009, 03:01 PM
rwenzing rwenzing is offline
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Originally Posted by MitchyMitch View Post
So I guess I don't have the cable type. So my problem could be the Blend Door Actuators? I don't see those, so what else do I take apart? Can I access anything with the glove box door removed?
OK, so you have the electrical type that uses a potentiometer behind the panel connected to the knob to control a motor in the blend door actuator.

Yes, the blend doors do break and cause heat control problems in Rangers. But that is up on top of the plenum, not down at the knob.

So, now we need to go back to your original problem. Is the knob loose/broken at the dash control or are you having a problem controlling the discharge temperature? I can't really tell from the original post.

The knob should turn left and right without too much resistance but it should also hit positive stops in both directions.
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  #17  
Old 09-26-2009, 03:21 PM
MitchyMitch MitchyMitch is offline
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Originally Posted by rwenzing View Post
OK, so you have the electrical type that uses a potentiometer behind the panel connected to the knob to control a motor in the blend door actuator.

Yes, the blend doors do break and cause heat control problems in Rangers. But that is up on top of the plenum, not down at the knob.

So, now we need to go back to your original problem. Is the knob loose/broken at the dash control or are you having a problem controlling the discharge temperature? I can't really tell from the original post.

The knob should turn left and right without too much resistance but it should also hit positive stops in both directions.
Thanks, Bob!

The Temperature Control Knob (the middle knob) is not loose, but definitely has NO resistance whatsoever. As I recall, the knob was much stiffer a year ago (that's when it last worked correctly). Do you think the problem could be in the knob stem assembly itself? I guess that's what it's called!
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  #18  
Old 09-26-2009, 03:31 PM
rwenzing rwenzing is offline
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Originally Posted by MitchyMitch View Post
Thanks, Bob!

The Temperature Control Knob (the middle knob) is not loose, but definitely has NO resistance whatsoever. As I recall, the knob was much stiffer a year ago (that's when it last worked correctly). Do you think the problem could be in the knob stem assembly itself? I guess that's what it's called!
If the knob spins all the way around and doesn't stop, I think it's bad.
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid
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  #19  
Old 05-23-2010, 08:22 AM
dan dan is offline
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Default Re: 1998 Ranger...How can I fix my temperature control knob without removing the dash

how do you remove blend door motor I hav 98 also same problem
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  #20  
Old 05-29-2011, 09:27 PM
nate nate is offline
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Default Re: 1998 Ranger...How can I fix my temperature control knob without removing the dash

... I had no idea that this was such a common problem! I'm having the same issue! Only get cold air when i turn max a/c on...

Thanks for any help
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  #21  
Old 12-10-2011, 07:37 AM
Jim Drescher Jim Drescher is offline
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Default Re: 1998 Ranger...How can I fix my temperature control knob without removing the dash

I have a similar problem but the control dose work however when I turn it to control the heat, I hear the door in the plenum flap. Is that also the control motor?
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