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A/C blows warm at stop UPDATE #2915344 04/26/21 05:36 PM 04/26/21 05:36 PM
Joined: Jan 2006 Posts: 2,404 Lee Co. Fla. 5 5carguy OP top fuel
5carguy OP top fuel 5 Joined: Jan 2006 Posts: 2,404 Lee Co. Fla.	I need some advice about my A/C in my truck.Blows cold all the time except when I stop at a light,It will blow warmAfter moving it starts getting cold again.Any advice how to fix this would be greatly appreciated.2005 Dodge Ram. Last edited by 5carguy; 04/27/21 04:01 PM.

Re: A/C blows warm at stop [Re: 5carguy] #2915352 04/26/21 05:54 PM 04/26/21 05:54 PM
Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN...	Sounds like the condenser fan is not working.

Re: A/C blows warm at stop [Re: 5carguy] #2915367 04/26/21 06:28 PM 04/26/21 06:28 PM
Joined: May 2003 Posts: 3,052 N.W. Florida F Fat_Mike master
Fat_Mike master F Joined: May 2003 Posts: 3,052 N.W. Florida	Do the 3rd gen Rams have blend door issues like the 2nd gen Rams? My 2nd gen Ram did that, except I could hear the blend door "slam" shut when I came to a stop, then suddenly nothing but heat.

Re: A/C blows warm at stop [Re: 5carguy] #2915369 04/26/21 06:31 PM 04/26/21 06:31 PM
Joined: Jul 2008 Posts: 30,424 Florida STAYcation dOrk ! The village idiot's idiot
dOrk ! The village idiot's idiot Joined: Jul 2008 Posts: 30,424 Florida STAYcation	Originally Posted by 5carguy I need some advice about my A/C in my truck.Blows cold all the time except when I stop at a light,It will blow warmAfter moving it starts getting cold again.Any advice how to fix this would be greatly appreciated.2005 Dodge Ram. nN is spot on but HOW THE FUGG would he know ?? ! From a guy who has to use his heater IN JULY in YOOPER Michigan by the North Pole! And YOU ... 2 1/2 guy ... needing AC in Lee county ? ... don’t you get enuff cool breezes OFF THE Everglades

Re: A/C blows warm at stop [Re: 5carguy] #2915381 04/26/21 06:55 PM 04/26/21 06:55 PM
Joined: Jan 2006 Posts: 704 USA R rftroy super stock
rftroy super stock R Joined: Jan 2006 Posts: 704 USA	Check your charging system, and current flow to the compressor clutch at idle. if you have issues with your charging system, and current gets too low at idle, there may not be enough current to hold the clutch engaged. Rather than becoming completely disconnected, it could be slipping, which will burn up the clutch very quickly. Robert AAR 4-speed 3.91, Tor-Red; 70 440 6 pack Roadrunner 4-speed 3.54, Plum Crazy; 68 Formula S conv 383 4-speed 3.23, Electric Blue; 69 Barracuda conv Slant 6 OD4 2.94, 71 B5 Blue; 78 Lil' Red Truck, Red; 70 Challenger S/E. 505 6 pack, Passon 5-speed, 3.55, B7 Blue

Re: A/C blows warm at stop [Re: 5carguy] #2915389 04/26/21 07:05 PM 04/26/21 07:05 PM
Joined: Aug 2003 Posts: 848 Avondale AZ Prodart440 super stock
Prodart440 super stock Joined: Aug 2003 Posts: 848 Avondale AZ	Originally Posted by 5carguy I need some advice about my A/C in my truck.Blows cold all the time except when I stop at a light,It will blow warmAfter moving it starts getting cold again.Any advice how to fix this would be greatly appreciated.2005 Dodge Ram. Is it just the passenger side? Or both sides? Aaron 68 Roadrunner 383/AT 69 Dart GT Conv. 383/AT 05 Dodge Ram 4x4 Cummins 06 GoManGo R/T Daytona #757 68 Coronet 440

Re: A/C blows warm at stop [Re: Prodart440] #2915393 04/26/21 07:13 PM 04/26/21 07:13 PM
Joined: Sep 2014 Posts: 1,405 Central Pa M moparjim79 pro stock
moparjim79 pro stock M Joined: Sep 2014 Posts: 1,405 Central Pa	Yes, fan issue. I'm betting if you added an electrical fan you'd notice a difference, but thats not fixing the problem.

Re: A/C blows warm at stop [Re: 5carguy] #2915394 04/26/21 07:17 PM 04/26/21 07:17 PM
Joined: Jun 2003 Posts: 21,427 It's a dry heat gtx6970 Too Many Posts
gtx6970 Too Many Posts Joined: Jun 2003 Posts: 21,427 It's a dry heat	thought about cking pressures Low on Freon will do that. cooling fan not working will as well

Re: A/C blows warm at stop [Re: moparjim79] #2915448 04/26/21 09:08 PM 04/26/21 09:08 PM
Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN...	Originally Posted by moparjim79 Yes, fan issue. I'm betting if you added an electrical fan you'd notice a difference, but thats not fixing the problem. The condenser already has an electric fan on these models. The poster has to see if it runs. My bets the fan is inoperative.

Re: A/C blows warm at stop [Re: NITROUSN] #2915524 04/27/21 06:54 AM 04/27/21 06:54 AM
Joined: Sep 2014 Posts: 1,405 Central Pa M moparjim79 pro stock
moparjim79 pro stock M Joined: Sep 2014 Posts: 1,405 Central Pa	Originally Posted by NITROUSN Originally Posted by moparjim79 Yes, fan issue. I'm betting if you added an electrical fan you'd notice a difference, but thats not fixing the problem. The condenser already has an electric fan on these models. The poster has to see if it runs. My bets the fan is inoperative. Ah! My mistake with what I thought was 95

Re: A/C blows warm at stop [Re: moparjim79] #2915530 04/27/21 07:29 AM 04/27/21 07:29 AM
Joined: Mar 2006 Posts: 9,835 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,835 MI, usa	If the fan is working it is very possible there is debris between the condenser and radiator. Grass clippings, plant seed fuzzys etc. The condition is generally caused by lack of air flow thru the condenser. Doug

Re: A/C blows warm at stop [Re: dvw] #2915565 04/27/21 09:27 AM 04/27/21 09:27 AM
Joined: Feb 2014 Posts: 1,705 central il. S second 70 top fuel
second 70 top fuel S Joined: Feb 2014 Posts: 1,705 central il.	Might check and make sure the clutch on the compressor isn't turning off at idle and then coming back on with rpms.

Re: A/C blows warm at stop [Re: NITROUSN] #2915594 04/27/21 10:34 AM 04/27/21 10:34 AM
Joined: Aug 2003 Posts: 848 Avondale AZ Prodart440 super stock
Prodart440 super stock Joined: Aug 2003 Posts: 848 Avondale AZ	Originally Posted by NITROUSN Originally Posted by moparjim79 Yes, fan issue. I'm betting if you added an electrical fan you'd notice a difference, but thats not fixing the problem. The condenser already has an electric fan on these models. The poster has to see if it runs. My bets the fan is inoperative. If it is a gas model, yes it has a fan. If a diesel it does not. Aaron 68 Roadrunner 383/AT 69 Dart GT Conv. 383/AT 05 Dodge Ram 4x4 Cummins 06 GoManGo R/T Daytona #757 68 Coronet 440

Re: A/C blows warm at stop [Re: Prodart440] #2915687 04/27/21 01:24 PM 04/27/21 01:24 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	It is the condenser fan. I've replaced two of them in my 2007 Ram 1500. The fan motors wear out and at low vehicle speeds, the A/C blows hot..

Re: A/C blows warm at stop [Re: Kern Dog] #2915762 04/27/21 04:03 PM 04/27/21 04:03 PM
Joined: Jan 2006 Posts: 2,404 Lee Co. Fla. 5 5carguy OP top fuel
5carguy OP top fuel 5 Joined: Jan 2006 Posts: 2,404 Lee Co. Fla.	Thanks for the replies.Problem solved.It was the condenser cooling fan.Changed fan motor and all is well.Thanks again for the great advice.

Re: A/C blows warm at stop [Re: 5carguy] #2915765 04/27/21 04:08 PM 04/27/21 04:08 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	Of course I was right.

Re: A/C blows warm at stop [Re: Kern Dog] #2915806 04/27/21 05:29 PM 04/27/21 05:29 PM
Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN...	Originally Posted by Frankenduster Of course I was right. I was first. So I am righter.

Re: A/C blows warm at stop [Re: NITROUSN] #2915884 04/27/21 08:51 PM 04/27/21 08:51 PM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	Yep...You are bester.

Re: A/C blows warm at stop [Re: Kern Dog] #2915903 04/27/21 09:38 PM 04/27/21 09:38 PM
Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN... N NITROUSN I Live Here
NITROUSN I Live Here N Joined: Jan 2003 Posts: 18,415 UPPER MICHIGAN, MARQUETTE COUN...	Originally Posted by Frankenduster Yep...You are bester. Not according to my Wife.

Re: A/C blows warm at stop [Re: Kern Dog] #2915954 04/28/21 12:56 AM 04/28/21 12:56 AM
Joined: May 2003 Posts: 3,052 N.W. Florida F Fat_Mike master
Fat_Mike master F Joined: May 2003 Posts: 3,052 N.W. Florida	Originally Posted by Frankenduster Yep...You are bester. FYI, you're beginning to sound like Doc. to OP. Glad you got it figured out!

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