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Climate Control Problem

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Old Nov 8, 2006 | 08:45 AM
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Question Climate Control Problem

Hey all, I have a 91 F-150 XLT. The Climate Control will only blow air out the deftrost setting. It will turn off if I switch it to off but will not blow out vent, floor, etc. Any ideas on what the problem may be and how to fix it. Thanks!
 
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Old Nov 8, 2006 | 10:13 AM
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the vacuum line has a leak.

remove glove box and look at hose and if ok look under hood.
 
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Old Nov 8, 2006 | 12:25 PM
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Is it also possible that the control head is bad?
 
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Old Nov 8, 2006 | 01:23 PM
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maybe, but probably not.

do a search on heater control.

it is more than likely a vacuum leak.

just follow all the hoses and you will see that one is not connected or cracked.
 
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Old Nov 8, 2006 | 10:32 PM
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OK, I found out I need a Vacuum Reservoir Cannister (looks like a coffee can.) Any ideas on where to get one? I have scoured the internet and can't find one anywhere.
91 F-150 5.0L
 
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Old Nov 9, 2006 | 08:47 AM
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go to column on left and hit national parts depot.

they are a sponsor and have them.

you can get a catalog with you first order.

glad you found the leak.

some have made thier own can replacement.
 

Last edited by quicklook2; Nov 9, 2006 at 08:50 AM.
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Old Nov 9, 2006 | 09:45 AM
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I just wrapped duct tape around the can covering the holes. Works like a charm now. Does this can have something to do with cruise control as well??
 
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Old Nov 9, 2006 | 10:09 AM
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Cruise control on my truck is a second can on the driver's side.
 
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Old Nov 9, 2006 | 10:11 AM
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OK, thanks. Mine doesnt work, but I think it is something electrical.
 
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Old Nov 9, 2006 | 10:20 AM
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could be fuse or wiring or clock spring in steering column or vacuum leak that causes cruise not to work.

that was a real Red Green fix you made with the duct tape.
 

Last edited by quicklook2; Nov 9, 2006 at 10:49 AM.
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Old Nov 9, 2006 | 10:46 AM
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Yeah, you like that one...cheap too...

Already checked the fuse...
 
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