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Both Cooling and Heating

2K views 10 replies 3 participants last post by  RamTech 
#1 ·
I have an 02 1500 4x4. The problem is that when I use the A/C the air does not get cold until I'm moving. Its the same with the heat. I have to be moving for anything to work right. There is plenty of air coming out, just not hot or cold till I'm moving.
 
#2 ·
Cold air only when moving...condensor fan is shot...causing freeze up when no air flow. Same thing happened to my 03. $74 for the complete shroud and fan from ebay. About 1 hour to replace, but you have to cut the shroud. Search the forums and you will find all the info you need.

Not sure about the heat part.
 
#9 ·
Heat only when moving is strange...very strange...let us know what you find. I wouldnt think a blend door problem since you are not changing the setting or position from stop to moving, unless the air blowing through when moving is actually moving the blend door.
I experienced the no cold air when stopped, but fine when moving. Check to see that your condensor fan is working when sitting still and the a/c is on. If the a/c continually turns on and off and on and off...and the fan is not moving..then that is ur problem for the cold air only working when moving. Good luck.
 
#10 ·
Wow do I fell dumb....... I checked the antifreeze level to find it was low. I took almost a gal of it. Well after I filled that, the heater now seems to be working great. Now just to figure out the A/C. But what I have noticed. Is the the condenser fan seems to be running all the time. Even when the A/C off. Now its been to cold to really sit there and trouble shoot but is that normal for the fan to be running like that?
 
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