No heat for the winter

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  #1  
Old 12-22-08, 02:10 PM
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No heat for the winter

Hello,

I am a delivery driver and have been freezing my bum off this winter. I have a 99 ford ranger 2.5 liter. The heater has stopped blowing hot air. I have traced the problem to a vacuum operated control valve not opening and letting water into the heater core. The vacuum line was cut in two and melted shut. I repaired the hose and reconnected it but still no heat! I cannot feel in vacuum on the line, but don't know where the vacuum for this thing originates, how it's controlled, or anything else.

Any help would be appreciated.

Sincerely,

Freezing my bum off
amcherry
 
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  #2  
Old 12-22-08, 04:37 PM
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You need to trace the vacuum hoses.

In the mean time, you maybe able to bypass the valve all together by splicing the coolant hoses together. If you don't got heat after that, you got other issues going on in which we can troubleshoot.

You get vacuum from your intake manifold and then the vacuum is stored in a canisters.
 
  #3  
Old 12-22-08, 05:26 PM
Join Date: Jan 2007
Location: North Central Indiana
Posts: 912
no heat

Run a vac line from a good vac source(you may have to cut in a Y) to your valve. If that works you have heater cont problems but at least it will get you some heat. RW
 
  #4  
Old 12-23-08, 07:39 PM
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Location: Eastern Georgia
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Ford has a problem with the blend door breaking and becoming inoperable. This could be your trouble. Check both hoses at the firewall to see if they are hot, if they are hot the blend door is most likely your trouble. If one hose is alot cooler than the other then your valve is not opening, and you need to trace out the vacuum lines. Your local Ford dealer has a book called EVTM (Electrical/Vacuum Troubleshooting Manual) maybe you can get them to copy the page you need.
 
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