shaun

hey guys i need your help.
my truck is a 04 escalade ext and i have been geting some a/c problems.
this just started happening about a week ago and it has only happened a few times.

wife gets in it to go shopping and both temp dials are on 60f but the 2 drivers vents and burning hot like the heat is on and when i turn the drivers dial to hot it just gets hotter and when i put it back to 60f its still very hot but the passenger side is cold like it should be.

second problem is that the a/c is not as cold as it should be or as cold as it was wile im driving its fine but the second i stop or sit in traffic its not really cold but if i put in in nutral or park and give it some gas its fine.

my buddy had a a/c problem with his 03 avalanche and some sort of sensor wires got burnt/melted and he was having simular problems.

can you guys help?~~~~~

horsepower_junkie

iTrader: (4)

sounds like a possible blend door actuator problem to me

fuseone

I second that opinion.

BOA279

iTrader: (1)

I third that... sounds like a vacuum leak possibly in the dash

rpmauto

iTrader: (14)

the doors are electic on these, vacuum wont do it. You probably either have a blend door issue, a possible vent temp sensor issue, or the head unit is crapping. As far as not throwing cold when sitting that is an airflow issue. You either have a condenser that is getting restricted (clean it out) or if you have a fan clutch instead of electric fan, the clutch is getting weak.

shaun

well the dan on my truck had been making some noise it sounds like big rig taking off from a stop but if i tach up the truck a little it goes away.

and it works fine at speed but i did notice at low speed like 10-20 mph it will start to get warm then go back to ice cold.

when it started acting up today i turned the drivers side **** all the way to 90 like i was puting the heat on and the a/c was still blowing cold it made very little difference changing the temp.

my truck does have a clutch fan not electric.