A/C System on 2004 Dodge Ram 1500

When the truck runs idle, hot air starts to come out. When truck is running at normal speed on the road, the A/C blows out cold air. What is the cause of this or what part of the A/C system is going out?

by in Metairie, LA on October 01, 2009
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers
ANSWER by , October 01, 2009
Lack of freez-on you may need to recharge the A/C System
ANSWER by , July 03, 2011
hi i had the same promblem with my 1991 ford f150 its the ac compressor wearing out to make sure that is whats going on check the low side pressure to see if the pressure fluctuates between 25 and 50 psi if it cant get 30psi or lower while idiling on a 80 degree day its your compressor assumming that it has enough freon in it.