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  #46  
Old 09-12-2011, 07:01 AM
Mullen2525 Mullen2525 is offline
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Default Re: No heat

This part fits the replaced actuator and I have temperature control now!: http://www.1aauto.com/1A/-/-/-/1AHCX...FYdo5QodlX4JGA
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  #47  
Old 09-23-2011, 09:17 AM
ob6079 ob6079 is offline
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Default Re: No heat

Quote:
Originally Posted by jveigl View Post
There is an electric blend door actuator for Rangers years 1995-current with round 'knobs' to control the HVAC. If you have the older horizontal sliding 'knobs' then your heat is manual and cable driven. If your heat doesn't work on the older Rangers, check all the linkages. Here is a link to fordpartsonline and click on view image to see a partial parts breakdown for the 94:

HTML Code:
http://www.fordparts.com/Commerce/CatalogResults.aspx?y=1994&m=Ford&mo=Ranger#&&/wEXAQUHaGlzdG9yeQUEdHJ1ZbeJQwrDnn1brKWLK+LH7viyyDAr
On the new Rangers, when you go to the dealer, ask for an actuater for your model Ranger with or without A/C. I have an 07 and there are two different styles for mine. The air system really hasn't changed since 95. Here is the service manual pinpoint test for my 07:

For Insufficient, Erratic, or No Heat:
Possible Causes: Function Selector Switch, Heater Control Valve, Stuck or bound linkage or door, Leaking or plugged vacuum hose, Temperature Blend Door Actuator.

Step 1: Check the coolant levels. If they are good then go to step 2.
Step 2: Check the heater core inlet and outlet hoses on the firewall. Do this when the truck has reached its normal operating temperature and is running with the function selector to FLOOR and the temperature selector to WARM. If the hoses are too hot to handle then go to step 3. If it isn't too hot to handle, check out the heater core.
Step 3: Check the Blend Door Actuator (Pinpoint Test E which is attached as 3 jpg files)

If this doesn't solve your problem and need to test further, let me know.
If you are still hanging around this forum, I really appreciate the info.
Thanks,
OB

Last edited by ob6079; 09-23-2011 at 09:21 AM. Reason: misspelled word
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  #48  
Old 09-23-2011, 09:29 AM
kasdale kasdale is offline
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Default Re: No heat

I had the same problem your fix worked exactly. My hands were small enough to do the job. Thanks for the tip it saved a lot of work on my part.
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  #49  
Old 10-05-2011, 07:13 PM
jules jules is offline
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Default Re: No heat

You seem like an intelligent person (not that everyone else is not).. I think my heater core is clogged because only one of the hoses coming from it gets hot, not sure though if that's the problem. Is it possible for the heater control valve to be malfunctional, but still allow fluid to flow to one of the hoses?? If the valve is bad can i just connect the hoses with a coupling and eliminate the valve? (since there's apparently no need for it, because the blend door controls the hot/cold air.) Thank you very much in advance for your answers.
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  #50  
Old 10-05-2011, 07:18 PM
FireRanger FireRanger is offline
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Default Re: No heat

http://www.fordrangerforum.com/how-s...ing-guide.html

It could be a number of things. Follow the 4cyl guide since that is what you have.
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How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
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How To: NO HEAT Troubleshooting Guide
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  #51  
Old 10-06-2011, 07:29 AM
Fordmangt Fordmangt is offline
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Default Re: No heat

You will have hot coolant all of the time in your heater core if you bypass the valve. If you don't mind that (cold weather coming) it won't hurt anything.
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  #52  
Old 10-09-2011, 08:23 PM
SageXi2 SageXi2 is offline
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Default Re: No heat

I discovered this same problem on my way home from work Friday, cold rainy weather with no heat from the 2007 Ranger. While doing a GOOGLE search for no heat, I discovered FRF.com, and this thread. The info in this thread was great help thanks to everyone’s input (I had a bad blend door actuator). The video made it easy to remove the old unit, but the back screw installation was difficult with my big hands. To keep from dropping the back screw into the land of the lost, I tied a string around the screw until it was started in the hole. Also not wanting to wait for the Ford dealer to open Monday I was able to purchase an aftermarket actuator from O’Reilley auto parts for $41.00 plus tax with a life time replacement warranty. Again THANKS…
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  #53  
Old 10-10-2011, 01:01 PM
jules jules is offline
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Default Re: No heat

YESSS !! I fixed it. I unhooked the 4 hoses and vacuum line on my heater core valve and ran water through it with a hose. I noticed that the piston was stuck so i grabbed some pliers and pulled on the lever and it popped loose. I guess it was stuck with all the crap that got in there. Wheww, winter is near.
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  #54  
Old 10-10-2011, 01:21 PM
FireRanger FireRanger is offline
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Default Re: No heat

And much more pleasant than a heater core change!
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How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #55  
Old 11-13-2011, 06:19 PM
vasyka vasyka is offline
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Default Re: No heat

hi i have ranger 99 regular cab 4cl 2.5 i have litle worm air ac works good i feal hoses one is hot the other not
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  #56  
Old 11-13-2011, 06:34 PM
FireRanger FireRanger is offline
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Default Re: No heat

Quote:
Originally Posted by vasyka View Post
hi i have ranger 99 regular cab 4cl 2.5 i have litle worm air ac works good i feal hoses one is hot the other not
Use the 4cyl troubleshooting chart in the NO HEAT link in my signature and report back.
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #57  
Old 12-23-2011, 12:04 PM
mulletbrosracing mulletbrosracing is offline
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Default Re: No heat

hi,thanks for this site,its a big help.i've been working on a 95 4x4 with ac,no heat changed tstat yesterday,got a little heat after that,noticed that when i turned the heat knob from cold back to warm that when i got to about 3/4 in the warm it got warm and then as i went to full it felt like it got cold again and the feeling on the knob felt easier to turn.going out right now to check heater hoses and heater core.thanks bob.
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  #58  
Old 12-23-2011, 12:16 PM
FireRanger FireRanger is offline
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Default Re: No heat

If the heater core is clogged or not getting good flow due to a bad pump, it will be hot when no air is blowing over it. But as soon as you start turning the knob to warm, what little heat it has be blown out and then it will be cold. User the troubleshooting guide in my signature.
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FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #59  
Old 12-24-2011, 08:55 AM
rjbaker rjbaker is offline
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Default Re: No heat

heater door motor is the next step, it's inside (behind) the glove department. It's a P.I.T.A but can be done.
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  #60  
Old 12-24-2011, 09:45 AM
FireRanger FireRanger is offline
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Default Re: No heat

And there are pictures of the blend door actuator in my troubleshooting thread.
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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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