AC problem wont come on at first start---comes on after about a mile or two

30

Asked by Aug 25, 2013 at 10:58 AM about the 2006 Dodge Ram 3500 SLT Mega Cab SB

Question type: Maintenance & Repair

2006 dodge ram 3500 mega cab diesel 5.7 turbo   up until about a month ago no
problems--now ac doesn't go cold until it runs awhile---but then start or stop it works fine
until you let it sit overnight---then same problem.   Thanks

6 Answers

116,425

Ac won't blow at all or just not blowing cold?

116,425

If not blowing at all look under passenger side dash. You will see the box where the blower motor is located. Tap on this box. If blower then starts its a blower motor issue. Inspect or replace blower motor. If blowing but just not cold check to see that electric radiator fan is coming on. If not it probably needs to be replaced. Check for voltage at fan motor. When mine went bad I could give it a tap on back of fan motor then it would start. Hope this helps. Oh and also on these models some owners have an issue with the damper door mech breaking in the air duct work.

30

not the blower its working fine---just not blowing cold.

1 of 1 people found this helpful.
30

I turn the ac on and off and eventually it will just start blowing cold. Then it works great.

2 of 2 people found this helpful.
116,425

Ok check the electric radiator fan. It's probably not coming right on as it should.

1 of 1 people found this helpful.
Best Answer Mark helpful
8,475

also ck to see it the compressor clutch is engaging. could be weak coil.

1 of 1 people found this helpful.

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