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Old 06-05-2009, 09:57 AM   #1
socal19 [OP] socal19 is offline
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air condition problem

hey guys i need help i have a 03 tacoma and when i drive hot air comes out of the vent when i have it on cool when i turn the AC on its on cool it still comes out hot my fuse is ok and not blown anybody know anything about this and is it serious???? HELP
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Old 06-05-2009, 10:04 AM   #2
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Your AC probably has a leak and needs charged. Don't run it any more because the lubricant is mixed with the refridgerant.

Also, can you use some of these: ....,.,,,.... Your post was a little hard to follow.
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Old 06-05-2009, 10:14 AM   #3
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What do u mean don't run it???????? And it all happened when I tried changing my head unit since then its been like this.
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Old 06-05-2009, 10:18 AM   #4
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Don't run the AC until you establish the issue.

Take your head unit back out and see what wire or connector is possibly undone. I am not certain but the HVAC controls maybe vacuum operated. You may have inadvertently disconnected a vacuum line.
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Old 06-05-2009, 10:18 AM   #5
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Check to make sure your water valve cable is moving. Look under the hood near the fire wall where the heater hose goes into the truck. You should see a valve in line with the hose. Make sure that the cable is still attached. Move the heater control from cold to hot and see if the cable moves. If the cable is not moving then there is probably something wrong with the cable. If that's the case you can remove the cable and move the control lever with your hand. The water valve is what stops the coolant from going through the heater core.
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Old 06-05-2009, 10:33 AM   #6
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Where's the water valve
y
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Old 06-05-2009, 10:34 AM   #7
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opposite of the glove box on the firewall.
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Old 06-05-2009, 10:57 AM   #8
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Hey guys everything. Is running on my truck the line for the cold air is cold and the belt is running its just when It goes in the dash it won't come out could it be a vacumm that's not letting the air come through
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Old 06-05-2009, 11:00 AM   #9
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Quote:
Originally Posted by socal19 View Post
Hey guys everything. Is running on my truck the line for the cold air is cold and the belt is running its just when It goes in the dash it won't come out could it be a vacumm that's not letting the air come through
It sounds like the valve isn't being opened like Mikey stated earlier. When you are standing in front of the truck facing the engine, back on the left side where the hose goes thruogh the firewall, in that general area is the valve he was refering too. See if you can turn it by hand and get your cold air. I will see if i can locate a pic.
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Old 06-05-2009, 11:07 AM   #10
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Old 06-05-2009, 11:09 AM   #11
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98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed
 
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Top of the picture you will see the hoses and were that valve is.
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Old 06-05-2009, 05:31 PM   #12
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Hey guys the status on my truck is this I took it to a toyota specilaist place and there trying to figure it out like u guys said, the valve there's a cable attached to it the guy took it off and pulled it and cold air came out when he let it go hot air came back out so is it the valve with the cable
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Old 06-05-2009, 05:56 PM   #13
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98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed98tacoma27 is one of the sharper tools in the shed
 
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Did you check behind the head unit to see if the cable came loose from the other when you swapped head units?
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Old 06-05-2009, 06:02 PM   #14
socal19 [OP] socal19 is offline
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When I open it up there's no cables that lead to that it looks like a vancumm and that's it no wires or nuttin
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Old 06-05-2009, 06:05 PM   #15
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Just checkin. I would hate to see you waste money for a simple fix.
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Old 06-05-2009, 06:14 PM   #16
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Yea I know thanks dude do u have any more ideas that I caan try its when u pull the cable it goes cold and when you let it go it gets hot
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Old 06-05-2009, 06:19 PM   #17
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That I tells me that the cable has come undone in the dash some where. If you can follow it back and see where it connects. It is going to be in your dash behind you control knobs.
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Old 06-05-2009, 06:22 PM   #18
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Alright I would have to check that out man thanks
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