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No air coming from vents at all!!
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11-16-2009, 11:29 AM
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#1 | |
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Registered User
1998 TJ Wrangler
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No air coming from vents at all!!
i have a 87 jeep comanche no ac and no matter what seting i put my heater on it wont blow any air at all from any vent!! any ideas?
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11-17-2009, 12:32 AM
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#2 |
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Registered User
1988 MJ Comanche
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not even from the windshield vents?
__________________
-88 MJ; 4.0L, ex-2wd, TJ ax15/231, 78 Ford D44 w/spool, 9" w/posi, 33" trXus MTs, custom roll-bar/bumpers/etc. Also an 86 MJ Metric ton and 2 '90 MJs Projects/wheelin' pics: picturetrail.com/petermontie My email: petermontie@hotmail.com ComancheClub.com/forums |
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11-17-2009, 11:08 AM
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#3 | |
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Registered User
2000 XJ Cherokee
Join Date: Dec 2008
Location: North Plainfield, NJ
Posts: 4,201
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mine was the same way. check ur flapper valve. i just wiggled mine a little and it worked. it blew air but the heater core was bad so it was kinda pointless lol... it was a long winter.
__________________
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11-17-2009, 09:21 PM
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#4 |
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Registered User
1988 MJ Comanche
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installed a CD player recently?
__________________
88 Comanche, "The Blue Truck" 89 Comanche Pioneer, "Dads Wood Truck" 90 Comanche Eliminator, soon to be dubbed "Walker" 96 XJ Country, "The Road Warrior" XC Yamaha Raptor 700r 45 Forever, Ride Proud!! |
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11-17-2009, 10:20 PM
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#5 |
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Registered User
1998 TJ Wrangler
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no it doesnt even blow on defrost. It used to only blow on defrost but i found a vacume leak so than it worked but than i left it sit for a couple months now there is no air blowing from anywhere. I just installed a new radiator if that would have anything to do with it. and no i havent installed a cd player recently.
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11-17-2009, 10:23 PM
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#6 |
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Registered User
1998 TJ Wrangler
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Wheres the flapper valve located??
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11-18-2009, 09:13 AM
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#7 |
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Registered User
1988 MJ Comanche
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It sounds like you have no power to the Blower and also no power to the flapper valves........id pull the controll assembly and make sure the plug is still connected properly...also check the blower fuse under the dash
__________________
88 Comanche, "The Blue Truck" 89 Comanche Pioneer, "Dads Wood Truck" 90 Comanche Eliminator, soon to be dubbed "Walker" 96 XJ Country, "The Road Warrior" XC Yamaha Raptor 700r 45 Forever, Ride Proud!! |
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11-18-2009, 11:27 AM
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#8 |
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Registered User
1998 TJ Wrangler
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ok thanks il try all those and see what happens
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11-18-2009, 03:22 PM
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#9 |
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Registered User
1998 TJ Wrangler
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i fugured out it was the blower fuse but now it seems to just be blowing cold air..I just replaced the radiator could that have to do with anything? maby the thermostat?
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When I Die, Bury me in my JEEP. 'Cause it's never been in a hole it couldn't get out of! OllllO |
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11-20-2009, 07:16 PM
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#10 |
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Registered User
1988 MJ Comanche
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Does it ever get warm/hot after running awhile.....if it takes awhile than likely your thermostat needs replaced, also you heater core may be plugged, that can easly be flushed as well.
__________________
88 Comanche, "The Blue Truck" 89 Comanche Pioneer, "Dads Wood Truck" 90 Comanche Eliminator, soon to be dubbed "Walker" 96 XJ Country, "The Road Warrior" XC Yamaha Raptor 700r 45 Forever, Ride Proud!! |
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11-22-2009, 09:30 PM
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#11 |
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Registered User
1998 TJ Wrangler
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Iv had it running for about 10 min and its still cold air coming out. Maby il try running it longer to see if it is ther thermostat and if that doesnt work il take out the heater core and clean in out.
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When I Die, Bury me in my JEEP. 'Cause it's never been in a hole it couldn't get out of! OllllO |
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11-29-2009, 12:33 AM
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#12 |
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Registered User
1984 J-Series Truck
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Could be the vacuum valve on the heater (under the hood) isn't getting vacuum to open it?
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11-29-2009, 08:46 AM
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#13 |
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Registered User
1990 MJ Comanche
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There is a water flow valve in the engine compartment in the heater hose. They tend to stick shut. Either replace it if you have vacuum there or open it manually and plug the vac line for the winter.
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