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Dodge Dakota Climate Control

195 messages,  Last post on Sep 16, 2009 at 11:56 AM

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#179 of 195 Re: 2004 Dodge Dakota AC [jfunston] by texdodge May 08, 2009 (7:51 am)
Replying to: jfunston (May 07, 2009 9:57 pm) Hello I have a 98 Dakota 4 Cyl. and I just repaired the A/C and now I am overheating at stop lights and in traffic. Any help would be appreciated. I haven't had the A/C running for about 9 years but I replaced the Evaporator and Condenser about 3 days ago. Maybe it is related? HELP? Replies to this message: terrys2 (May 09, 2009 8:18 am)
#180 of 195 Re: 2004 Dodge Dakota AC [jfunston] by bpeebles May 08, 2009 (6:37 pm)
Replying to: jfunston (May 07, 2009 9:57 pm) It is normal for the AC compressor clutch to kick in and out based on the measurements from the pressure-sensors within the AC system. If I recall correctly, when the LOW pressure sensor senses the pressure get too high, the AC clutch disenguages the compressor.   In addition to the obvious AC settings, there are some "defrost" settings which also turn on the AC system. With this in mind, I almost NEVER put the selector in those positions to keep from loading the engine and consuming more fuel. I usually keep the selector in the "blow on the feet" setting just to have some air flowing thru the cab while NOT enguaging the AC.   As for your engine overheating with the AC on... make CERTAIN that the electric fan is running ALL THE TIME while the AC is enguaged. Replies to this message: jfunston (May 10, 2009 1:20 pm) terrys2 (May 10, 2009 1:55 pm)
#181 of 195 Re: 2004 Dodge Dakota AC [texdodge] by terrys2 May 09, 2009 (8:18 am)
Replying to: texdodge (May 08, 2009 7:51 am) Running the AC generates heat which must be removed through the condenser and the radiator. If you have a new condenser it should be ok. Did you check the radiator/condenser area to be sure it is clear of bugs, leaves or anything else that can block the air flow? Id the factory fan shroud all there and in place? Does the fan run when the AC is on? If not check the fuse and the relay. Hot wire the fan to be sure it runs. Is the cooling system free of rust etc. that can clog the system? You can try back flushing the radiator with a garden hose. Or you can take the radiator to a shop the see if it is flowing correctly and not plugged up.
#182 of 195 Re: 2004 Dodge Dakota AC [bpeebles] by jfunston May 10, 2009 (1:20 pm)
Replying to: bpeebles (May 08, 2009 6:37 pm) Just wanted to confirm. The electric fan, which is located just behind the rad/condensor - should run at all times when the AC is on? It hasn't come on at all. I replaced the fuse, and relay (the old relay looked burned), but it still doesn't come on at all. As well, regarding the motor/clutch- it kicks on and off at least once a minute, or less- is that frequency normal?   Any suggestions about the fan? I'm going to hotwire it to test the fan itself, see if it even works.   Thanks, Justin   2004 dodge dakota, v6 Replies to this message: terrys2 (May 10, 2009 1:55 pm)
#183 of 195 Re: 2004 Dodge Dakota AC [jfunston] by terrys2 May 10, 2009 (1:55 pm)
Replying to: jfunston (May 10, 2009 1:20 pm) Yes the fan should come on when the control is set to AC or defrost. My guess is a bad fan if you have replaced the fuse & relay. Hot wiring will tell you if it works or not. If the fan works you may have a wiring problem.   The compressor will cycle on & off depending on a number of variables. Get a thermometer with a 6" or so long probe and put it in the dash vent. Again there are variables but you should get somewhere between 35 and 50 degrees (set on recirc. or max AC) if the AC is working ok. If the temp is higher it might need freon. Your cycle frequency sounds ok.
#184 of 195 Re: vents/defrost [maniac02] by jmiller0423 Jun 04, 2009 (3:32 pm)
Replying to: maniac02 (May 13, 2008 5:39 pm) how did you resolve this vent problem? my blower only blows out of the defrost and floor. i have a 2002 dakota as well.. : ) Replies to this message: dreamping (Aug 04, 2009 9:40 pm)
#185 of 195 Re: resistor [moretin] by dmiller1220 Jun 05, 2009 (9:01 am)
Replying to: moretin (Apr 15, 2009 7:18 pm) these messages do not tell you or show you where the control is for the vent flow. Mine is stuck on defrost and floor and will not change to vents. Is there no one who knows where this actually is ? Under the dash, what side, Under the hood ? What does it look like ? Is there a picture ?   I do not want to take the dash out if it is not needed.   MORE DETAILED INFORMATION PLEASE. Replies to this message: sdrunyan (Jun 30, 2009 3:25 am) dreamping (Aug 04, 2009 9:45 pm)
#186 of 195 2003 Dakota Low Cabin Airflow by retired8 Jun 11, 2009 (7:11 pm)
I've read all 185 posts and didn't see my problem. Here goes: All controls work just fine. Air comes out of where it should, all 4 fan speeds work, air is hot and cold when it should be. The problem is just very gentle air flow. It's been this way since new. On high blower, it is the equivelent to low in any other car or truck. Fan makes plenty of noise, but if you put your hand in front of a vent, you can't feel the air unless you get within 7-8 inches of the vent. If you open a door, or roll a window down a couple of inches it increases air flow a little. Any ideas of things I could look into? Thank you.
#187 of 195 dakota a/c issues by dmeissner Jun 16, 2009 (10:53 am)
have a 98 dakota when the a/c is turned on it blows out the vents for a few seconds and then switches over to the defrost vent , anybody have any ideas
#188 of 195 Re: 2001 Dakota noise problem in cold weather. [mogtel] by rcav Jun 22, 2009 (6:09 am)
Replying to: mogtel (Mar 05, 2009 9:20 am) I have a 02 Dakota 5 speed and get a similar noise, if I depress the clutch a bit and release it the noise goes away for a while which leads me to think it has some thing to do with the throw out bearing. Like yours, only in very cold weather.

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